Coal Mining Bit

Detail

Parameters

Sansung produces a variety of tungsten carbide coal drill bits, mainly: water exploration drill bit, coal mining drill bit, soft rock drill bit, composed drill bit and reaming drill bit. Drill bits are manufactured by casting, precision forging and medium carbon alloy steel machining, and can adapt to different drilling conditions. The bits are widely used in coal, gypsum mine and other soft rock drilling and reaming.

Two Wings Tungsten Carbide Coal Bit

Coal bits are mainly used in coal and mine drilling, have dry-type& wet-type.

1. Mainly used in coal and mine drilling
2.Dry and Wet Type available
3.Dimension:25, 27, 28, 29, 30, 32, 36, 42 mm.
4.Normal Thread Model: M16*2, M14*1.5, M12*1.75, M14*1.5, M12*1.75
5.We can do different measures as per customers demand.

Specifications of twin wing coal bits

Colliery Drill Tools	Main Standard(mm)
Colliery Drill Tools	D	H	L	M
Thread joint	27	44	17	M14×1.5
	27	54	17	M12×1.75
	28	54	20	M12×1.75
	29	52	18	M14×1.5
	30	50	18	M14×1.5
	32	52	22	M14×1.5
	32	56	22	M12×1.75

Specifications for more model coal mining bits

No	Specification and Size (mm)			Cutters	Structures
No	Diameter	Connection Size		Cutters	Structures
1	27	M12x1.75	M14x1.5	2	integral
2	28	M12x1.75	F12x12	2	integral
3	30	M12x1.75	F12x12	2	integral
4	32	M14x1.5	F12x12	2	integral
5	34	M14x1.5	F12x12	2	integral
6	36	M14x1.5	F12x12	2	integral
7	38	T24x5	F14x14	2-3	integral
8	42	T24x5	F13-14	2-3	integral
9	45	T24x5	F13-18	2-3	integral
10	55	T24x5	F13-18	4	two-stage
11	65	T24x5	F13-18	4-5	two-stage
12	75	T33x4.23	F13-18	4-5	two-stage
13	76	T33x4.23	F18-24	4-5	two-stage
14	82	T42x5.08	F18-24	4-5	two-stage
15	85	T42x5.08	F18-24	4-5	two-stage
16	89	T42x5.08	F24-32	5-7	three-stage
17	95	T55x5.08	F24-32	5-7	three-stage
18	110	T55x5.08	B35-45	5-7	three-stage
19	125	T55x5.08	B35-45	5-12	four-stage
20	135	T55x5.08	B35-45	5-12	four-stage