This 8 piece self-centering aluminum alloy countersink drill bit set is very accurate and widely used for drilling pilot holes in cabinet and door hinges, door butts and all large and small hardware.
Specification:
Twist drill: HSS
Shank diameter: 1/4"
Sizes Drill hole diameter Self-tapping screws
5/64 '' 2mm 2.2-2.8mm
7/64 '' 2.8mm 3-3.5mm
9/64 '' 3.5mm 4-4.5mm
11/64 '' 4.5mm 5-5.5mm
5mm 5mm 5.5-6mm
13/64 '' 5.2mm 6-6.5mm
1/4 '' 6.35mm 7-7.5mm
Comes with Allen key.
Features:
Made of high quality material, high hardness, rustproof, solid and durable.
Accurate drilling exact pilot holes in cabinet door hinges, door butts, handles, drawer slides, and more.
High-speed drill centered for perfect pilot holes, making it easy to drill precise holes, high working efficiency.
The chips will automatic discharge from the hole on either side of the top of the drill, not stuck drill.
Widely used for drilling pilot holes in cabinet and door hinges, door butts and all large and small hardware.
WARNING
