{"title":"Casement Operators In Window Hardware","description":"\u003cp\u003eDiscover our reliable selection of casement operators, a key component of window hardware designed to provide smooth and effortless window operation. Upgrade your windows with our durable and easy-to-install casement operators, perfect for enhancing functionality and comfort. Shop quality casement operators online from Shelllumber.com\u003c\/p\u003e","products":[{"product_id":"prime-line-h-3528-window-operator-left-right-steel-brass-chrome","title":"Prime-Line H 3528 Window Operator, Left\/Right, Steel, Brass\/Chrome","description":"The H 3528 is non-handed casement operator for butt-hinged casement windows. It has a 10-3\/4 in rotating arm and is only 1-3\/8 in between screen and sash. It is driven by a heavy cast worm gear and has a full 90 deg motion in both directions. Found on Parlyn windows as well as many others. For brass version see H 3687. Crank handle in brass included.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793035288\u003cbr\u003eModel Number: H 3528","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45290376528023,"sku":"VORG9954967","price":21.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/9954967.jpg?v=1788821606"},{"product_id":"prime-line-h-3505-window-operator-left-bronze","title":"Prime-Line H 3505 Window Operator, 9 in L x 3-7\/8 in W x 13-1\/4 in H Dimensions, For: Older Steel Framed Windows","description":"The H 3505 casement window operator is a left hand bronze teardrop body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 5\/16 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: EA\u003cbr\u003eUPC: 049793035059\u003cbr\u003eModel Number: H 3505","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45290581885079,"sku":"VORG9762816","price":19.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/9762816.jpg?v=1788821955"},{"product_id":"prime-line-h-3508-window-operator-right-aluminum","title":"Prime-Line H 3508 Window Operator, 9 in L x 3-7\/8 in W Dimensions, For: Older Steel Framed Windows, Right","description":"The H 3508 casement window operator is a right hand aluminum teardrop body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 5\/16 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793035080\u003cbr\u003eModel Number: H 3508","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45290581917847,"sku":"VORG9762790","price":22.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/9762790_qfvl94.jpg?v=1788821957"},{"product_id":"amesburytruth-th-23031-window-operator-right-zinc-powder-coated","title":"AmesburyTruth TH 23031 Window Operator, Right, Zinc, Powder-Coated","description":"Replacing the old Truth EntryGard Series the TH 23031 is a right handed, 13-1\/2 in single arm operator with a baked enamel white finish. It is made of heavy-duty die-cast zinc. The steel arm, worm drive and gears are protected with a corrosive-resistant finish and it opens to a full 90 deg. The plastic roller on the end of the arm insure a smooth operation as it slides through the TH 22397 track. When installing, the housing easily fastens down to the window sill.\u003cbr\u003eUnit: EA\u003cbr\u003eUPC: 049793230317\u003cbr\u003eModel Number: TH 23031","brand":"PRIME LINE PRODUCTS","offers":[{"title":"Default Title","offer_id":45295454847127,"sku":"VORG7007586","price":44.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/Prime-Line_TH_23031.jpg?v=1789858228"},{"product_id":"amesburytruth-th-23028-window-operator-left-zinc-powder-coated","title":"AmesburyTruth TH 23028 Window Operator, Left, Zinc, Powder-Coated","description":"Replacing the old Truth EntryGard Series the TH 23028 is a left handed, 13-1\/2 in single arm operator with a baked enamel white finish. It is made of heavy-duty die-cast zinc. The steel arm, worm drive and gears are protected with a corrosive-resistant finish and it opens to a full 90 deg. The plastic roller on the end of the arm insure a smooth operation as it slides through the TH 22397 track. When installing, the housing easily fastens down to the window sill.\u003cbr\u003eUnit: EA\u003cbr\u003eUPC: 049793230287\u003cbr\u003eModel Number: TH 23028","brand":"PRIME LINE PRODUCTS","offers":[{"title":"Default Title","offer_id":45295454912663,"sku":"VORG7007578","price":44.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/Prime-Line_TH_23028.jpg?v=1789858229"},{"product_id":"prime-line-h-3507-window-operator-right-aluminum","title":"Prime-Line H 3507 Window Operator, 8 in L x 3-7\/8 in W x 13-1\/4 in H Dimensions, For: Older Steel Framed Windows, Right","description":"The H 3507 casement window operator is a right hand aluminum teardrop body type. It has a 8 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 5\/16 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793035073\u003cbr\u003eModel Number: H3507","brand":"PRIME LINE PRODUCTS","offers":[{"title":"Default Title","offer_id":45296586031255,"sku":"VORG6771018","price":21.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/6771018_6vxfuc.jpg?v=1788830035"},{"product_id":"prime-line-h-3709-window-operator-right-powder-coated","title":"Prime-Line H 3709 Window Operator, 9 in L x 3-29\/32 in W x 13-1\/4 in H Dimensions","description":"The H 3709 casement window operator is a right hand white teardrop body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 5\/16 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793037091\u003cbr\u003eModel Number: H 3709","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45297079550103,"sku":"VORG6536072","price":24.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/6536072_yb1mwh.jpg?v=1741826871"},{"product_id":"prime-line-th-23023-window-operator-right-zinc-bronze","title":"Prime-Line TH 23023 Window Operator, Right, Zinc, Bronze","description":"Replacing the old Truth EntryGard Series the TH 23023 is a right handed, 9-1\/2 in single arm operator with a baked enamel bronze finish. It is made of heavy-duty die-cast zinc. The steel arm, worm drive and gears are protected with a corrosive-resistant finish and it opens to a full 90 deg. The plastic roller on the end of the arm insure a smooth operation as it slides through the TH 22397 track. When installing, the housing easily fastens down to the window sill.\u003cbr\u003eUnit: EA\u003cbr\u003eUPC: 049793230232\u003cbr\u003eModel Number: TH 23023","brand":"PRIME LINE PRODUCTS","offers":[{"title":"Default Title","offer_id":45297095311511,"sku":"VORG6520514","price":44.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/6520514_vqi0eb.jpg?v=1789857667"},{"product_id":"prime-line-th-23020-window-operator-left-zinc-bronze","title":"Prime-Line TH 23020 Window Operator, Left, Zinc, Bronze","description":"Replacing the old Truth EntryGard Series the TH 23020 is a left handed, 9-1\/2 in single arm operator with a baked enamel bronze finish. It is made of heavy-duty die-cast zinc. The steel arm, worm drive and gears are protected with a corrosive-resistant finish and it opens to a full 90 deg. The plastic roller on the end of the arm insure a smooth operation as it slides through the TH 22397 track. When installing, the housing easily fastens down to the window sill.\u003cbr\u003eUnit: EA\u003cbr\u003eUPC: 049793230201\u003cbr\u003eModel Number: TH 23020","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45297095344279,"sku":"VORG6520506","price":43.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/6520506_61y78q.jpg?v=1789857668"},{"product_id":"prime-line-th-23025-window-operator-right-zinc-powder-coated","title":"Prime-Line TH 23025 Window Operator, Right, Zinc, Powder-Coated","description":"Replacing the old Truth EntryGard Series the TH 23025 is a right handed, 9-1\/2 in single arm operator with a baked enamel white finish. It is made of heavy-duty die-cast zinc. The steel arm, worm drive and gears are protected with a corrosive-resistant finish and it opens to a full 90 deg. The plastic roller on the end of the arm insure a smooth operation as it slides through the TH 22397 track. When installing, the housing easily fastens down to the window sill.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793230256\u003cbr\u003eModel Number: TH23025","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45301756166295,"sku":"VORG4810115","price":44.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/4810115_z8c9z8.jpg?v=1790030245"},{"product_id":"prime-line-h-3711-window-operator-right-powder-coated","title":"Prime-Line H 3711 Window Operator, For: Older Steel Framed Windows, Right, Diecast Zinc, Powder-Coated","description":"The H 3711 casement window operator is a right hand white square body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3\/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793037114\u003cbr\u003eModel Number: H3711","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45301781823639,"sku":"VORG4786257","price":22.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/4786257_wx4hk0.jpg?v=1741926396"},{"product_id":"prime-line-h-3710-window-operator-left-powder-coated","title":"Prime-Line H 3710 Window Operator, 9 in L x 3-29\/32 in W x 13-1\/4 in H Dimensions, For: Older Steel Framed Windows","description":"The H 3710 casement window operator is a left hand white square body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3\/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793037107\u003cbr\u003eModel Number: H 3710","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45301853880471,"sku":"VORG4761979","price":22.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/4761979_fey4bo.jpg?v=1741928210"},{"product_id":"prime-line-h-3523-window-operator-right-bronze","title":"Prime-Line H 3523 Window Operator, 9 in L x 13-1\/4 in H Dimensions, For: Older Steel Framed Windows, Right","description":"The H 3523 casement window operator is a right handed bronze square body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3\/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: EA\u003cbr\u003eUPC: 049793035233\u003cbr\u003eModel Number: H 3523","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45303136780439,"sku":"VORG3697216","price":22.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/3697216_gra2cp.jpg?v=1788740008"},{"product_id":"prime-line-h-3502-window-operator-left-steel-aluminum","title":"Prime-Line H 3502 Window Operator, Left, Steel, Aluminum","description":"The H 3502 casement window operator is a left hand aluminum teardrop body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 5\/16 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: EA\u003cbr\u003eUPC: 049793035028\u003cbr\u003eModel Number: H3502","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45305761530007,"sku":"VORG3226974","price":22.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/3226974_ebudfs_86d27245-34b6-4cda-a2b7-6d2e1d4f4481.jpg?v=1788740032"},{"product_id":"prime-line-h-3520-window-operator-right-aluminum","title":"Prime-Line H 3520 Window Operator, 9 in L x 3-7\/8 in W x 13-1\/4 in H Dimensions, For: Older Steel Framed Windows, Right","description":"The H 3520 casement window operator is a right handed aluminum square body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3\/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793035202\u003cbr\u003eModel Number: H 3520","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45305804882071,"sku":"VORG3086139","price":22.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/3086139_3355na.jpg?v=1788740028"},{"product_id":"prime-line-h-3687-window-operator-steel-brass","title":"Prime-Line H 3687 Window Operator, Steel, Brass","description":"The H 3687 is a brass non-handed casement operator for butt-hinged casement windows. It has a 10-3\/4 in rotating arm and is only 1-3\/8 in between screen and sash. It is driven by a heavy cast worm gear and has a full 90 deg motion in both directions. Found on Parlyn windows as well as many others. For zinc version see H 3687. Crank handle in brass included.\u003cbr\u003eUnit: EA\u003cbr\u003eUPC: 049793036872\u003cbr\u003eModel Number: H 3687","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45305882902679,"sku":"VORG3033610","price":23.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/Prime-Line_H_3687.jpg?v=1742087379"},{"product_id":"prime-line-h-3708-window-operator-left-powder-coated","title":"Prime-Line H 3708 Window Operator, For: Older Steel Framed Windows, Left, Powder-Coated","description":"The H 3708 casement window operator is a left hand white teardrop body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 5\/16 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793037084\u003cbr\u003eModel Number: H 3708","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45305882968215,"sku":"VORG3033594","price":24.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/3033594_njf8yl.jpg?v=1742087380"},{"product_id":"prime-line-h-3517-window-operator-left-bronze","title":"Prime-Line H 3517 Window Operator, 9 in L x 3-7\/8 in W x 13-1\/4 in H Dimensions, Left","description":"The H 3517 casement window operator is a bronze square body type. It has a 7 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3\/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793035172\u003cbr\u003eModel Number: H 3517","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45313130397847,"sku":"VORG2377505","price":22.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/2377505_wxu58o.jpg?v=1788734526"},{"product_id":"amesburytruth-th-23077-window-operator-right-zinc","title":"AmesburyTruth TH 23077 Window Operator, Right, Zinc","description":"TH 23077 is a right handed dual arm operator with a 4-1\/16 in offset (up) link arm. The long continuous arm and the jointed arm create an action that pushes the sash open while pulling the hinge side of sash to the open position. This is the mechanism only - no cover or crank handle included (optional). The heavy-duty die-cast zinc operator base, worm drive, gears as well as the steel arms and stud bracket are protected with the corrosive-resistant E-Gard coating process.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793230775\u003cbr\u003eModel Number: TH23077","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45313180926103,"sku":"VORG2271526","price":73.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/2271526_u6931h.jpg?v=1790030683"},{"product_id":"prime-line-th-23022-window-operator-left-zinc-enamel-coated","title":"Prime-Line TH 23022 Window Operator, Left, Zinc, Enamel-Coated","description":"Replacing the old Truth EntryGard Series the TH 23022 is a left handed, 9-1\/2 in single arm operator with a baked enamel white finish. It is made of heavy-duty die-cast zinc. The steel arm, worm drive and gears are protected with a corrosive-resistant finish and it opens to a full 90 deg. The plastic roller on the end of the arm insure a smooth operation as it slides through the TH 22397 track. When installing, the housing easily fastens down to the window sill.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793230225\u003cbr\u003eModel Number: TH23022","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45325249446039,"sku":"VORG1587948","price":44.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/1587948_3dzcv6.jpg?v=1790030798"},{"product_id":"prime-line-h-3914-window-operator-left-bronze","title":"Prime-Line H 3914 Window Operator, For: Older Wood Framed Windows, Left, Diecast Bronze","description":"The H 3914 casement window operator is a left handed bronze surface mount body type with 4 mounting holes in the top of the body and mounts directly onto the sill. It has a 9 in steel arm with a round disc on the tip. The disc slides in the H 3595 casement track located on the bottom edge of the casement window. It is worm gear driven by a 3\/8 in crank spindle. The matching crank handle fits onto the crank spindle and installation screws are included.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793039149\u003cbr\u003eModel Number: H3914","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45325275365527,"sku":"VORG1541978","price":55.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/1541978_7qqiw0.jpg?v=1788734579"},{"product_id":"prime-line-h-3501-window-operator-8-in-l-x-3-7-8-in-w-x-13-1-4-in-h-dimensions-for-older-steel-framed-windows-left","title":"Prime-Line H 3501 Window Operator, 8 in L x 3-7\/8 in W x 13-1\/4 in H Dimensions, For: Older Steel Framed Windows, Left","description":"The H 3501 casement window operator is a left hand aluminum teardrop body type. It has a 8 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 5\/16 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793035011\u003cbr\u003eModel Number: H3501","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45327327723671,"sku":"VORG1412337","price":21.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/1412337_gvegyd.jpg?v=1788734582"},{"product_id":"prime-line-h-3511-window-operator-9-in-l-x-3-7-8-in-w-x-13-1-4-in-h-dimensions","title":"Prime-Line H 3511 Window Operator, 9 in L x 3-7\/8 in W x 13-1\/4 in H Dimensions","description":"The H 3511 casement window operator is a right hand bronze teardrop body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 5\/16 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: EA\u003cbr\u003eUPC: 049793035110\u003cbr\u003eModel Number: H 3511","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45330541379735,"sku":"VORG1170307","price":19.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/1170307.jpg?v=1788751245"},{"product_id":"prime-line-h-3514-window-operator-9-in-l-x-3-7-8-in-w-x-13-1-4-in-h-dimensions-for-older-steel-framed-windows-left","title":"Prime-Line H 3514 Window Operator, 9 in L x 3-7\/8 in W x 13-1\/4 in H Dimensions, For: Older Steel Framed Windows, Left","description":"The H 3514 casement window operator is a left hand aluminum square body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3\/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7\/8 and 4-3\/4 in apart.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793035141\u003cbr\u003eModel Number: H 3514","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45330541445271,"sku":"VORG1170299","price":22.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/1170299_yqhuur.jpg?v=1788734598"},{"product_id":"amesburytruth-th-23076-window-operator-left-zinc","title":"AmesburyTruth TH 23076 Window Operator, Left, Zinc","description":"TH 23076 is a left handed dual arm operator with a 4-1\/16 in offset (up) link arm. The long continuous arm and the jointed arm create an action that pushes the sash open while pulling the hinge side of sash to the open position. This is the mechanism only - no cover or crank handle included (optional). The heavy-duty die-cast zinc operator base, worm drive, gears as well as the steel arms and stud bracket are protected with the corrosive-resistant E-Gard coating process.\u003cbr\u003eUnit: CD\u003cbr\u003eUPC: 049793230768\u003cbr\u003eModel Number: TH23076","brand":"Prime Line Products","offers":[{"title":"Default Title","offer_id":45341006463127,"sku":"VORG0252445","price":69.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/files\/0252445_ul3u75.jpg?v=1790030991"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3290\/6903\/collections\/SL_-_Branding_Shopify_512x512_7ade0501-0e72-4928-8da1-f0905c9c476c.png?v=1750343899","url":"https:\/\/www.shelllumber.com\/collections\/casement-operators-in-window-hardware.oembed","provider":"Shell Lumber and Hardware","version":"1.0","type":"link"}