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Tapered Drill Steel Rod
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Different rock formations and rock drills require different taper angles. When drilling with high impact hydraulic rock drills in medium-hard to hard and abrasive rock formations, a wide taper angle is normally used. Taper angles of 11 and 12-degrees are normally used on modern drill rigs. For low impact rock drills and softer rock formations, a narrow taper angle of seven degrees is used. A 7-degree angle can also be used if bit spinning is a problem when using 11 and 12-degree equipment. In addition, a 4,46 degree angle is ideal for soft rock when you're using pneumatic or hydraulic drill rigs - to prevent bits from spinning or becoming detached.
| Part number | Taper Angle | Shank | Length | Weight |
mm | mm | kg | ||
BT220600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 600 | 2.2 |
BT220800-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 800 | 2.8 |
BT221000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1000 | 3.4 |
BT221200-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1200 | 4 |
BT221400-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1400 | 4.5 |
BT221600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1600 | 5.1 |
BT221800-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1800 | 5.7 |
BT222000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2000 | 6.5 |
BT222200-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2200 | 7.2 |
BT222400-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2400 | 7.8 |
BT222600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2600 | 8.3 |
BT222800-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2800 | 8.9 |
BT223000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 3000 | 9.5 |
BT223600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 3600 | 11.2 |
BT224000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 4000 | 12.7 |
BT224800-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 4800 | 15.2 |
BT225600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 5600 | 18.4 |
BT226400-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 6400 | 20 |
BT227200-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 7200 | 22 |
BT228000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 8000 | 24.5 |
Part number:BT220600-6 is BT(Chiesl bit)22(Shank size)0600(Length)-6(Taper angle) | ||||
Different rock formations and rock drills require different taper angles. When drilling with high impact hydraulic rock drills in medium-hard to hard and abrasive rock formations, a wide taper angle is normally used. Taper angles of 11 and 12-degrees are normally used on modern drill rigs. For low impact rock drills and softer rock formations, a narrow taper angle of seven degrees is used. A 7-degree angle can also be used if bit spinning is a problem when using 11 and 12-degree equipment. In addition, a 4,46 degree angle is ideal for soft rock when you're using pneumatic or hydraulic drill rigs - to prevent bits from spinning or becoming detached.
| Part number | Taper Angle | Shank | Length | Weight |
mm | mm | kg | ||
BT220600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 600 | 2.2 |
BT220800-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 800 | 2.8 |
BT221000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1000 | 3.4 |
BT221200-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1200 | 4 |
BT221400-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1400 | 4.5 |
BT221600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1600 | 5.1 |
BT221800-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 1800 | 5.7 |
BT222000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2000 | 6.5 |
BT222200-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2200 | 7.2 |
BT222400-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2400 | 7.8 |
BT222600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2600 | 8.3 |
BT222800-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 2800 | 8.9 |
BT223000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 3000 | 9.5 |
BT223600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 3600 | 11.2 |
BT224000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 4000 | 12.7 |
BT224800-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 4800 | 15.2 |
BT225600-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 5600 | 18.4 |
BT226400-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 6400 | 20 |
BT227200-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 7200 | 22 |
BT228000-6 | 6°(7° 11° 12°) | Hex 22 x 108 | 8000 | 24.5 |
Part number:BT220600-6 is BT(Chiesl bit)22(Shank size)0600(Length)-6(Taper angle) | ||||
