Chisel Rock Bits 1.Diameter: 30mm - 46mm 2.Taper: 4.8, 6, 7, 11, 12 3.Water Hole: 2 Chisel Rock Bits We are a manufacturer specializes in producing kinds of rock drilling tools includes taper chisel bits, cross bits, button bits, tapered drill rods, integral drill steels, plug hole integral steels, pick rods, thread cross bits, thread button bits, retrac button bits, extension rods, shank adapter, coupling sleeve, etc.All the products adopt the best alloy and high-intensity steel as material according to the different working conditions. The quarry taper drilling tools(rock bits) are made from grade hard alloy and special steel, generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm. The drill tools are used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc,.We can manufacture the following types according to clients' need taper:4.8,6,7,11,12The diameter for taper:15,19,22,24,25(mm)

Drill Type	Bit diamater (D)		Taper	Whter 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