Rovtop 3PCS Step Countersink Drill Bit, HSS Stainless Metal, 4-12 / 20 / 32mm, Titanium Taper Triangle, with Hex Shank, For Screwdriver Drill on Steel, Brass, Wood, Plastic

$14.00

[High quality materials, quality assurance] Drill holders and cone drills are made of high quality HSS stainless steel, durable. Operation suggestion: When using the electric drill, it should be as vertical as possible, not shake or tilt, and the electric