5PC 6-12mm Multifunctional Drill Bits Ceramic Glass Punching Hole Working Sets

Description

Feature
Made of fine quality material, low resistance, high hardness, improving work efficiency.
The design of triangle shank makes the clamping more tight and does not slip.
U-shaped spiral groove is smooth and flat, and the drilling is smoother.
Strong toughness and wear resistance, can be installed in electric drills.
Provides smooth and accurate drilling in tile, glass, brick wall, wood and so on.
Specifications:
Material: alloy
Color: red+silver
6-12mm 5pcs cutting diameter: 6mm, 6mm, 8mm, 10mm, 12mm
Total length:
6mm cutting diameter: 100mm / 3.9in
8mm cutting diameter: 110mm / 4.3in
10mm cutting diameter: 120mm / 4.7in
12mm cutting diameter: 120mm / 4.7in
Working length:
6mm cutting diameter: 55mm / 2.2in
8mm cutting diameter: 66mm / 2.6in
10mm cutting diameter: 70mm / 2.8in
12mm cutting diameter: 75mm / 3.0in
Shank diameter:
6mm cutting diameter: 4.5mm / 0.2in
8mm cutting diameter: 6mm / 0.2in
10mm cutting diameter: 7mm / 0.3in
12mm cutting diameter: 9mm / 0.4in
Item weight:
6mm cutting diameter: 11g / 0.4ounce
8mm cutting diameter: 27g / 1.0ounce
10mm cutting diameter: 34g / 1.2ounce
12mm cutting diameter: 51g / 1.8ounce
Package Contents:
5 x  6-12mm Drill Bit