{"id":15790034944160,"title":"Irwin Tools IRWIN Step Drill Bit, 3\/16-Inch to 7\/8-Inch, Cobalt Alloy Steel, 3\/8-Inch Shank (10234CB) #4 (3\/16-7\/8\")","handle":"irwin-tools-irwin-step-drill-bit-3-16-inch-to-7-8-inch-cobalt-alloy-steel-3-8-inch-shank-10234cb-4-3-16-7-8","description":"\u003ch3\u003eIrwin Tools IRWIN Step Drill Bit, 3\/16-Inch to 7\/8-Inch, Cobalt Alloy Steel, 3\/8-Inch Shank (10234CB)\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eIRWIN Tools 10234CB Unibit Cobalt Alloy Steel Sheet Metal\nStep Drill Bit offers 12 different hole sizes in one single bit, from 3\/16\" to\n7\/8\" in increments of 1\/16\". Ideal for drilling true, round holes with a\nsmooth, clean finish in a variety of materials like stainless steel, sheet\nmetal, aluminum, fiberglass, plastics, plexiglass, and wood. The Cobalt Alloy\nSteel high speed steel construction provides increased life of the cutting\nedge which makes it ideal for tough applications like stainless steel\ndrilling. The SpeedPoint tip penetrates fast and doesn't require a\npilot\/starting hole. The 3\/8\" hex shank provides secure grip in the drill\nchuck. Permanent laser-etched sizes inside flute are easy to read for precise\ncontrol during the hole enlarging process. Product made in USA. From the\nManufacturer Irwin Unibit Cobalt is made of high speed steel, this step drill\nbit will last longer in the toughest of materials. Irwin Industrial Tools\n10234CB 4 12 Hole Sizes (3\/16-Inch-7\/8-Inch), 1\/16-Inch Increments\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eCobalt Alloy Steel high speed steel for extended cutting edge life makes it ideal for drilling stainless steel\u003c\/li\u003e\n \u003cli\u003eDrills 12 different hole sizes, from 3\/16\" to 7\/8\" by 16ths\u003c\/li\u003e\n \u003cli\u003eSpeedPoint tip prevents \"walking,\" gets fast starts, and eliminates the need for pilot\/starting hole\u003c\/li\u003e\n \u003cli\u003eSingle-flute cutting edge drills true round holes with smooth, clean finish\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-07-16T17:26:25+10:00","created_at":"2026-07-14T17:30:56+10:00","vendor":"IRWIN","type":"Step Drill Bits","tags":["home_improvement_July2026"],"price":23600,"price_min":23600,"price_max":23600,"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":58176595230880,"title":"#4 (3\/16-7\/8\") \/ Cobalt","option1":"#4 (3\/16-7\/8\")","option2":"Cobalt","option3":null,"sku":"B00126J1PG","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Irwin Tools IRWIN Step Drill Bit, 3\/16-Inch to 7\/8-Inch, Cobalt Alloy Steel, 3\/8-Inch Shank (10234CB) #4 (3\/16-7\/8\") - #4 (3\/16-7\/8\") \/ Cobalt","public_title":"#4 (3\/16-7\/8\") \/ Cobalt","options":["#4 (3\/16-7\/8\")","Cobalt"],"price":23600,"weight":91,"compare_at_price":null,"inventory_management":"shopify","barcode":"885911377584","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/dingoship.com.au\/cdn\/shop\/files\/B00126J1PG.jpg?v=1784014259"],"featured_image":"\/\/dingoship.com.au\/cdn\/shop\/files\/B00126J1PG.jpg?v=1784014259","options":["Size","Style"],"media":[{"alt":null,"id":69750674391200,"position":1,"preview_image":{"aspect_ratio":0.658,"height":1518,"width":999,"src":"\/\/dingoship.com.au\/cdn\/shop\/files\/B00126J1PG.jpg?v=1784014259"},"aspect_ratio":0.658,"height":1518,"media_type":"image","src":"\/\/dingoship.com.au\/cdn\/shop\/files\/B00126J1PG.jpg?v=1784014259","width":999}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eIrwin Tools IRWIN Step Drill Bit, 3\/16-Inch to 7\/8-Inch, Cobalt Alloy Steel, 3\/8-Inch Shank (10234CB)\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eIRWIN Tools 10234CB Unibit Cobalt Alloy Steel Sheet Metal\nStep Drill Bit offers 12 different hole sizes in one single bit, from 3\/16\" to\n7\/8\" in increments of 1\/16\". Ideal for drilling true, round holes with a\nsmooth, clean finish in a variety of materials like stainless steel, sheet\nmetal, aluminum, fiberglass, plastics, plexiglass, and wood. The Cobalt Alloy\nSteel high speed steel construction provides increased life of the cutting\nedge which makes it ideal for tough applications like stainless steel\ndrilling. The SpeedPoint tip penetrates fast and doesn't require a\npilot\/starting hole. The 3\/8\" hex shank provides secure grip in the drill\nchuck. Permanent laser-etched sizes inside flute are easy to read for precise\ncontrol during the hole enlarging process. Product made in USA. From the\nManufacturer Irwin Unibit Cobalt is made of high speed steel, this step drill\nbit will last longer in the toughest of materials. Irwin Industrial Tools\n10234CB 4 12 Hole Sizes (3\/16-Inch-7\/8-Inch), 1\/16-Inch Increments\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eCobalt Alloy Steel high speed steel for extended cutting edge life makes it ideal for drilling stainless steel\u003c\/li\u003e\n \u003cli\u003eDrills 12 different hole sizes, from 3\/16\" to 7\/8\" by 16ths\u003c\/li\u003e\n \u003cli\u003eSpeedPoint tip prevents \"walking,\" gets fast starts, and eliminates the need for pilot\/starting hole\u003c\/li\u003e\n \u003cli\u003eSingle-flute cutting edge drills true round holes with smooth, clean finish\u003c\/li\u003e\n \u003c\/ul\u003e"}