Button Bit

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1
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Pieces
Origin

China Mainland
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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	Taper	Hole	Part No.
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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Shaanxi Hainaisen Petroleum Technology Co.,Ltd

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