-Type: 3-13MM (11 steps:3,34,5,6,7,8,9,10,11,12,13MM)
-4241 high-speed steel, used in hardness under 25 ° workpiece, the plate thickness under 5 mm. such as carbon steel plate, sheet iron, insulation boards, wood. Cannot be used for stainless steel.
-When inject cold water while working, can effectively extend the service life of the drill bit.
Material: HSS 4241
Shank: 1/4 Hexagonal
Surface Treatment: Titanium
Tools: Pistol Drill, Bench Drill
1 x 3-13mm Stepped drill
Please Notice: There is only 1 pcs 3-13 mm drill, not 3pcs.