Item Descriptions:
-3 drills for different graduations with polished surface from 3 to 14 mm, 5 to 20 mm and 16 to 30mm. you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole.
-Made of high speed steel, with high hardness, bending resistance, fracture resistance, and long service life.
-Use of drilling holes in a variety of materials such as steel cutting, brass, wood, etc.
-Mark hole locations and Two-fluted design makes drilling faster and smoother. Surface depth gauges make drilling precise.
-The sheet metal bit is best used with a drop of cutting oil to achieve a clean perforation of the sheet metal.
-Shank diameters is 6mm, 8mm, 10mm, fit for all common cordless drills and drills.

Package:
3pcs HSS Taper Drill Bit

Item Specifications:
Material:High speed steel
Hole size:3-14mm, 5-20mm, 16-30mm
Shank Diameter:6mm, 8mm 10mm
Length:62mm, 65m, 75mm