Button Bit
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Payment
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Origin
China Mainland
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Minimum Order
15
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Packing
Pieces
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- Description
Product Detail
With professional and productive factory, HAINAISEN is one of the leading China button bit manufacturers. Welcome to wholesale button bit from us, we always have cheap products to offer you.
down hole button bit
Bit Diameter |
| Carbide | Taper | Water | Part No. |
Mm | inch | Width*Height | Hole | ||
30 | 1 3/16 | 8-10*13.5-15 | 7 | 2 | CH130-722 |
32 | 1 17/64 | 8-10*13.5-15 | 7 | 2 | CH 132-722 |
34 | 1 11/32 | 8-10*13.5-15 | 7 | 2 | CH 134-722 |
36 | 1 27/64 | 8-10*13.5-15 | 7 | 2 | CH 136-722 |
38 | 1 1/2 | 8-10*13.5-15 | 7 | 2 | CH 138-723 |
40 | 1 37/64 | 8-10*13.5-15 | 7 | 2 | CH 140-723 |
42 | 1 21/32 | 8-10*13.5-15 | 7 | 2 | CH 142-723 |
20 | 2 5/32 | 6*12 | 4 | 1 | CH 220-415 |
22 | 5 5/64 | 6*12 | 4 | 1 | CH 222-415 |
24 | 1 5/16 | 8*13 | 4 | 2 | CH 224-415 |
26 | 1 1/32 | 8-10*13.5-15 | 4 | 2 | CH 226-415 |
28 | 1 7/64 | 8-10*13.5-15 | 6 | 2 | CH 228-722 |
30 | 1 3/16 | 8-10*13.5-15 | 7 | 2 | CH 230-722 |
32 | 1 17/64 | 8-10*13.5-15 | 7 | 2 | CH 232-722 |
34 | 1 11/32 | 8-10*13.5-15 | 7 | 2 | CH 234-722 |
36 | 1 27/64 | 8-10*13.5-15 | 7 | 2 | CH 236-723 |
38 | 1 1/2 | 8-10*13.5-15 | 7 | 2 | CH 238-723 |
40 | 1 37/64 | 8-10*13.5-15 | 7 | 2 | CH 240-723 |
42 | 1 21/32 | 8-10*13.5-15 | 7 | 2 | CH 242-723 |
50 | 1 31/32 | 8-10*13.5-15 | 7 | 2 | CH 250-725 |
56 | 2 13/64 | 8-10*13.5-15 | 7 | 2 | CH 256-725 |
60 | 2 23/64 | 8-10*13.5-15 | 7 | 2 | CH 260-725 |
Specification:
Button bit-face design: Flat face, drop centre, tungsten carbide hemispherical and ballistic. Normal and retrac body.Couplings sleeve- manufactured with a middle stop to prevent walking along the thread. Include couplings sleeve. Shank adaptors - carburized and manufactured with tight tolerances and controlled straightness.
characteristic:
Button bits with 6tips, 7tips, 8tips
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 angle is normally used. Taper angles of 11 and 12-degrees are always used on modern drill rigs. For low impact rock drills and softer rock formations, and a narrow taper angle of seven degrees is used of. A 7-degree angle can also be used if button 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.
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