Retrac Threaded Cross Bit

type: normal type and retrac type

R thread: R22 R25 R28 R32 R38

T thread: T38 T45 T51 ST58 GT60

Bit diameter: 32-127mm.

Category：Products

Cross bit is made from grade hard alloy and special steel, generally matched with the lightduty rock drill,

to drill the rock hole within diameter of 45mm. Chisel bit is widely used in metallurgy mine,

geological exploration, water conservancy construction, electricity, traffic,tunnel, quarry,national defence stone project etc.

Whatsapp/Phone:+86 18186993613

E-mail: sales@superdrill.com.cn

Drill diameter		Taper(°)	Drill diameter		Taper(°)
(mm)	(in)	Taper(°)	(mm)	(in)	Taper(°)
28	1 3/32	6,7	45	1 3/4	6,7,11,12
30	1 3/16	6,7	50	1 31/32	6,7,11,12
32	1 1/4	6,7,11,12	60	2 3/8	6,7,11,12
34	1 11/32	6,7,11,12	76	3	6,7,11,12
35	1 3/8	6,7,11,12	89	3 1/2	6,7,11,12
36	1 13/32	6,7,11,12	102	4	6,7,11,12
38	1 1/2	6,7,11,12	115	4 1/2	6,7,11,12
40	1 9/16	6,7,11,12	127	5	6,7,11,12
41	1 5/8	6,7,11,12	140	5 1/2	6,7,11,12
42	1 21/32	6,7,11,12	152	6	6,7,11,12
43	1 11/16	6,7,11,12
Ps: We can also design all kinds of Alloy Bore Bit according to your requirements.