{"id":9574708445421,"title":"HARFINGTON 2set Conduit Punch and Die 22mm Chrome Steel Manual Knockout Punch Conduit Hole Cutter Set for Hydraulic Knock Out Driver","handle":"harfington-2set-conduit-punch-and-die-22mm-chrome-steel-manual-knockout-punch-conduit-hole-cutter-set-for-hydraulic-knock-out-driver","description":"\u003ch3\u003eHARFINGTON 2set Conduit Punch and Die 22mm Chrome Steel Manual Knockout Punch Conduit Hole Cutter Set for Hydraulic Knock Out Driver\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThe knockout driver unit is made of 40 chromium steel with heat treatment,\nensuring high hardness, wear-resistant, corrosion-resistant and rust-proof.\nThis hole cutter is easy to operate and carry, saves effort during use, which\nwill not damage the processing surface and is not restricted by site or\nlocation. First, open an 11.5mm guide hole, screw in the draw stud in the hole\nopener, put down the lower die, iron plate, and upper die in sequence, and\nfinally press and open the hole. It can only be used on metal plates below\n4mm; please do not use it without load to avoid high pressure oil pipes\nbursting due to excessive pressure. Hydraulic hole opener is perfect for\ndrilling holes in a wide range of materials, such as stainless steel, iron,\naluminum, etc., which can be used in metallurgy, petroleum, chemical industry,\nelectrical appliances, shipbuilding, machinery and other industries.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eSize - Conduit Hole Size: 22mm \/ 0.87\", Lower Die Diameter: 31mm \/ 1.2\", Lower Die High: 24mm \/ 0.95\", Upper Die Diameter: 19mm \/ 0.7\", Upper Die High: 26mm \/ 1.02\".\u003c\/li\u003e\n \u003cli\u003eMaterial - The knockout driver unit is made of 40 chromium steel with heat treatment, ensuring high hardness, wear-resistant, corrosion-resistant and rust-proof.\u003c\/li\u003e\n \u003cli\u003eFeatures - This hole cutter is easy to operate and carry, saves effort during use, which will not damage the processing surface and is not restricted by site or location.\u003c\/li\u003e\n \u003cli\u003eApplications - Hydraulic hole opener is perfect for drilling holes in a wide range of materials, such as stainless steel, iron, aluminum, etc., which can be used in metallurgy, petroleum, chemical industry, electrical appliances, shipbuilding, machinery and other industries.\u003c\/li\u003e\n \u003cli\u003eNotice - First, open an 11.5mm guide hole, screw in the draw stud in the hole opener, put down the lower die, iron plate, and upper die in sequence, and finally press and open the hole.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-16T02:12:01+10:00","created_at":"2026-09-09T14:20:24+10:00","vendor":"HARFINGTON","type":"Knockout Punches","tags":["industrial_Sep2026"],"price":17800,"price_min":17800,"price_max":17800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50650794885357,"title":"22mm","option1":"22mm","option2":null,"option3":null,"sku":"B0CXTBQH26","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"HARFINGTON 2set Conduit Punch and Die 22mm Chrome Steel Manual Knockout Punch Conduit Hole Cutter Set for Hydraulic Knock Out Driver - 22mm","public_title":"22mm","options":["22mm"],"price":17800,"weight":240,"compare_at_price":null,"inventory_management":"shopify","barcode":"hta240128hh000796","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B0CXTBQH26.jpg?v=1788927626","\/\/leoforward.com\/cdn\/shop\/files\/41_LSTbBwnL.jpg?v=1788927626","\/\/leoforward.com\/cdn\/shop\/files\/31S2mOf9MaL.jpg?v=1788927626","\/\/leoforward.com\/cdn\/shop\/files\/415y1fs54KL.jpg?v=1788927626","\/\/leoforward.com\/cdn\/shop\/files\/51Ern9X1taL.jpg?v=1788927626"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B0CXTBQH26.jpg?v=1788927626","options":["Size"],"media":[{"alt":null,"id":41957167825133,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B0CXTBQH26.jpg?v=1788927626"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B0CXTBQH26.jpg?v=1788927626","width":500},{"alt":null,"id":41957167857901,"position":2,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/41_LSTbBwnL.jpg?v=1788927626"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/41_LSTbBwnL.jpg?v=1788927626","width":500},{"alt":null,"id":41957167890669,"position":3,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/31S2mOf9MaL.jpg?v=1788927626"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/31S2mOf9MaL.jpg?v=1788927626","width":500},{"alt":null,"id":41957167923437,"position":4,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/415y1fs54KL.jpg?v=1788927626"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/415y1fs54KL.jpg?v=1788927626","width":500},{"alt":null,"id":41957167956205,"position":5,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/51Ern9X1taL.jpg?v=1788927626"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/51Ern9X1taL.jpg?v=1788927626","width":500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eHARFINGTON 2set Conduit Punch and Die 22mm Chrome Steel Manual Knockout Punch Conduit Hole Cutter Set for Hydraulic Knock Out Driver\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThe knockout driver unit is made of 40 chromium steel with heat treatment,\nensuring high hardness, wear-resistant, corrosion-resistant and rust-proof.\nThis hole cutter is easy to operate and carry, saves effort during use, which\nwill not damage the processing surface and is not restricted by site or\nlocation. First, open an 11.5mm guide hole, screw in the draw stud in the hole\nopener, put down the lower die, iron plate, and upper die in sequence, and\nfinally press and open the hole. It can only be used on metal plates below\n4mm; please do not use it without load to avoid high pressure oil pipes\nbursting due to excessive pressure. Hydraulic hole opener is perfect for\ndrilling holes in a wide range of materials, such as stainless steel, iron,\naluminum, etc., which can be used in metallurgy, petroleum, chemical industry,\nelectrical appliances, shipbuilding, machinery and other industries.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eSize - Conduit Hole Size: 22mm \/ 0.87\", Lower Die Diameter: 31mm \/ 1.2\", Lower Die High: 24mm \/ 0.95\", Upper Die Diameter: 19mm \/ 0.7\", Upper Die High: 26mm \/ 1.02\".\u003c\/li\u003e\n \u003cli\u003eMaterial - The knockout driver unit is made of 40 chromium steel with heat treatment, ensuring high hardness, wear-resistant, corrosion-resistant and rust-proof.\u003c\/li\u003e\n \u003cli\u003eFeatures - This hole cutter is easy to operate and carry, saves effort during use, which will not damage the processing surface and is not restricted by site or location.\u003c\/li\u003e\n \u003cli\u003eApplications - Hydraulic hole opener is perfect for drilling holes in a wide range of materials, such as stainless steel, iron, aluminum, etc., which can be used in metallurgy, petroleum, chemical industry, electrical appliances, shipbuilding, machinery and other industries.\u003c\/li\u003e\n \u003cli\u003eNotice - First, open an 11.5mm guide hole, screw in the draw stud in the hole opener, put down the lower die, iron plate, and upper die in sequence, and finally press and open the hole.\u003c\/li\u003e\n \u003c\/ul\u003e"}