ITEM NAME:1/4 inch Hex Shank HSS High Speed Steel Titanium Coated Step Drill Bit 3-13 F9B1 1/4 inch Hex Shank HSS High Speed Steel Titanium Coated Step Drill Bit 3-13 F9B1 Material: HSS / High Speed Steel Surface treatment:Titanium coated Type:11 steps (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm) With the Titanium coated to reduce friction and heat Shank size:1/4 inch hex shank Used in hardness under 25 Degree workpiece, the plate thickness under 5mm, such as carbon steel plate, sheet iron, insulation boards, wood. Cannot be used for stainless steel. Ideal for the workshop, DIY, toolbox, home crafts, hobbyists, modellers or for trade use colour:golden Package Includes:1 x 3-13mm Hex Shank Step Drill Bit Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Material: HSS / High Speed Steel. With the Titanium coated to reduce friction and heat.
