Triangular-overlord Handle Multifunctional Drill Bits ORIGINAL

Description

Features:
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
Type: 4-10mm 5pcs, 6-12mm 5pcs, 3-12mm 7pcs (optional)
4-10mm 5pcs cutting diameter: 4mm, 5mm, 6mm, 8mm, 10mm
6-12mm 5pcs cutting diameter: 6mm, 6mm, 8mm, 10mm, 12mm
3-12mm 7pcs cutting diameter: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm
Total length:
3mm cutting diameter: 80mm / 3.1in
4mm cutting diameter: 80mm / 3.1in
5mm cutting diameter: 80mm / 3.1in
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:
3mm cutting diameter: 40mm / 1.6in
4mm cutting diameter: 42mm / 1.7in
5mm cutting diameter: 42mm / 1.7in
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:
3mm cutting diameter: 2.5mm / 0.1in
4mm cutting diameter: 3.5mm / 0.1in
5mm cutting diameter: 4mm / 0.2in
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:
3mm cutting diameter: 3g / 0.1ounce
4mm cutting diameter: 5g / 0.2ounce
5mm cutting diameter: 7g / 0.2ounce
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 size: 150 * 60 * 30mm / 5.9 * 2.4 * 1.2in
Package weight:
4-10mm 5pcs: 120g / 4.2ounce
6-12mm 5pcs: 170g / 6.0ounce
3-12mm 7pcs: 174g / 6.1ounce
Package list: (optional)
5 * 4-10mm Drill Bit
5 * 6-12mm Drill Bit
7 * 3-12mm Drill Bit