ITEM NAME:New 10 Steps 1/4" to 1-3/8" Step Drill Bit Cobalt Reamer HSS Cobalt Tool mhjj Descriptio n Description: New Spiral Flute Design Cuts Faster and Straighter Two Flute Design Automatically Deburrs While you Drill 3 Flat Sides on the Shank so the Bit will Not "Spin" in the Chuck Material: HSSÂ 4241 Colour: Gold Dimensions: handle length 25 mm, diameter 9 mm Specifications: 1/4" to 1-3/8" Spiral Flute Step Bit (10 Steps) Steps: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8" Shank Size: 9mm Package Included: Product List: 1 * Step Drill Bit Note: Note: It is suitable for workpieces with hardness less than 25HRC, such as carbon steel, thin iron plate, insulating board, PVC board, wood board, etc. Use tools: drill and bench drill are available High quality buy, happy buyï ¼ New 10 Steps 1/4" to 1-3/8" Step Drill Bit Cobalt Reamer HSS Cobalt Tool mhjj.Material: HSS 4241. 3 Flat Sides on the Shank so the Bit will Not "Spin" in the Chuck. Shank Size: 9mm. Use tools: drill and bench drill are available. 1 Step Drill Bit. Two Flute Design Automatically Deburrs While you Drill.
