High Quality Taper Degree Diamond Cross Drill Bits for Granite

• Customization: Available
• Customized: Customized
• Standard: ISO9001
• Model NO.: 7 degree
• Length: Taper-length
• Type: Center Drill Bit
• Material: Tungsten Carbide
• Usage: Small Hole Drilling
• Application: Quarry, Mining and Civil Construction
• Condition: New
• Loading Port: Xiamen
• MOQ: 50 PCS
• Degree Type: 4.46, 6, 7, 11
• Transport Package: Carton Packing
• Specification: ISO
• Trademark: BESTLINK
• Origin: Xiamen, China
• HS Code: 82071990
• Production Capacity: 10000 PCS / Month
• Package Size: 45.00cm * 25.00cm * 25.00cm
• Package Gross Weight: 25.000kg

Product Description

High Quality Taper Degree Diamond Drill Bits for Granite

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: Cross 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
 
Used under any rock drilling condition and mainly used for hard or very hard rock formation because of it's comprehensive adaptability. Compared with taper chisel bits, taper cross bits have a better drilling performance because carbide tips on cross bits doubled.
 

Technical data:
 

Description	Diameter	Length	Weight
Taper degree a=6 °,7°,11°,12° Socket inside d=19,22,25mm	mm	mm	kg
	28	71 80	0.19
	29	71 80	0.2
	30	50 67 71 80	0.3
	32	50 67 71 80	0.3
	33	71 80	0.32
	34	67 71 80	0.34
	35	67 71 80	0.35
	36	71 80	0.36
	38	67 71 80	0.42
	40	71 80	0.43
	41	71	0.45
	42	69 80	0.46
	44	80	0.47
	45	80	0.5