Specifications

1-OEM mining chisel drill bit
2-7,11,12 degree chisel drill bit for mining
3-bit to drill the rock hole within dia of 50mm

7 degree mining chisel bit/mining drill bit/chisel bit

The chisel bits are made from grade hard alloy and special steel, and generally matched with the light-duty rock drill, to drilling the rock hole within diameter of 50mm. It is widely used in metallurgy mine,geological exploration,water conservancy construction,electricity,traffic,etc.
Specification

Drill Type	Bit diamater   (D)		Taper	Water hole	(d) mm	Part on
	mm	in
Chisel Type Bits	30	1     3/16"	7°	2	22	Y130-722
	32	1   17/64"	7°	2	22	Y132-722
	34	1   11/32"	7°	2	22	Y134-722
	36	1   27/64"	7°	2	22	Y136-722
	38	1     1/2"	7°	2	22	Y138-722
	40	1    37/64"	7°	2	22	Y140-722
	42	1   21/32"	7°	2	22	Y142-722
	43	1   11/16"	7°	2	22	Y143-722
	44	1   47/64"	7°	2	22	Y144-722
	46	1   13/16"	7°	2	22	Y146-722

 

For more detailed specifications,please feel freely to contact with us.

 

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