2pcs Hand Electric Drill Shock Drill Wall Mix Soil Cement Wall Construction Drill Bit, Model: 3x66mm Round Handle

1. Material: tungsten steel alloy
2. Outer blade angle: 135 degrees
3. Scope of application: suitable for various types of stones such as concrete/red brick/cement wall
4. Size: about 3x66/4x76/5x84/6x100/8x114/10x110/10.5x110/12x115/14x150/16x150mm
5. Weight: 3x66mm approximately 6g/piece, 4x76mm approximately 7g/piece, 5x84mm approximately 10g/piece, 6x100mm approximately 15g/piece, 8x114mm approximately 30g/piece, 10x110/10.5x110mm approximately 40g/piece, about 80g/piece for 12x115mm, about 110g/piece for 14x150/16x150mm

Features:
1. YG8 tungsten steel alloy, chromium steel drill body, good toughness, high temperature quenching, not easy to break
2. Universal round shank/triangular shank design, suitable for all kinds of electric drills
3. U-shaped spiral groove design, surface sandblasting and anti-rust treatment, smooth chip removal and fast drilling speed
4. The cutter head is heat treated, with high hardness, sharp cutting edge, wear-resistant and durable
5. Complete specifications, easy to use, wide applicability