11 Degree Tapered Rock Drill Chisel Bits for Marble Quarrying

Model NO.: 11 degree Material: Tungsten Carbide Application: Quarry, Mining and Civil Construction Loading Port: Xiamen Degree Type: 4.46, 6, 7, 11 Specification: ISO HS Code: 82071990 Type: Center Drill Bit Use: Small Hole Drilling Condition: New MOQ: 50 PCS Trademark: BESTLINK Origin: Xiamen, China Our drill bit is made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.
The taper drill bit is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.
 
 
Products name: Chisel Drill Bits
 
(1)Drill Bits taper angle: 4°,4°46″,6°,7°,11°,12°
(2)Models: Chisel Bit/cross bit/button bit
(3)Diam:20-45 mm
(4)Button bit shape: spherical/parabolic
(5)Socket inside diameter:15/19/22/25(mm)
(6)Material and process: high quality alloy steel bar and tungsten carbides, through heat treatment
 
Widely used in drilling holes with depth less than 5 meters and diameter ranged in 20-45 mm by light-duty Rock Drill, like Y6.
 
Technical Data:
 

Description	Diameter	Length	Water hole
Taper degree a=4°,6°,7°,11°,12° Socket inside d=15,19,22,25mm	mm	mm	2
	20	65	2
	23	65	2
	25	69	2
	28	60	2
	30	55 88	2
	32	55 64 71 80	2
	34	71 80	2
	36	74	2
	38	74	2
	40	74	2
	42	74	2
	45	74	2

 

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Product Categories : Small Hole Drilling Tools > Taper Chisel Bit