Find high quality coal mining tungsten carbide drill bit with competitive price here. Please rest assured to buy coal mining tungsten carbide drill bit with Shandong Yikuang Drilling Technology Co.,Ltd

36mm Tungsten Carbide drill bit
Specifications
1.high-quality 
2.high- elastic 
3.rigid 
4.automatically adjustable 
5.stable
6.integral
1. 36mm coal mining hard alloy drill bit introducation
Hard alloy drill bits are main tools widely used in percussion drilling. We produce Chisel bit, cross bit, three-wing bit, button bit and so on. 
Material: high-class alloy bit
Craft: forging
Application: the drilling of limestone, moorstone, marble; the drilling operation of iron mine, goldmine and so on.
2. 36mm coal mining hard alloy drill bit specification 

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NO.	specification    (mm)				drill    type
	Dia.(mm)	contact    size(mm)
1	27		M12/8	M14×1.5	2
2	28		M12/8	F12×12	2
3	30		M12/8	F12×12	2
4	32		M14×1.5/8	F12×12	2
5	34		M14×1.5/8	F12×12	2
6	36		M14×1.5/8	F12×12	2
7	38		T24×512	F14×14	2--3
8	42		T24×5/12	F13-14	2--3
9	45		T24×5/12	F13-18	2--3
10	55		T24×5/12	F13-18	4
11	65		T24×5	F13-18	4--5
12	75		T33×4.23	F13-18	4--5
13	76		T33×4.23	F18-24	4--5
14	82		T42×5.08	F18-24	4--5
15	85		T42×5.08	F18-24	4--5
16	89		T42×5.08	F24-32	5--7
17	95		T55×5.08	F24-32	5--7
18	110		T55×5.08	B35-45	5--7
19	125		T55×5.08	B35-45	5--12
20	135		T55×5.08	B35-45	5--12