Model Number	3/3.5,4,5,6,8,10,12 inches	Certification	ISO CE
Drill Rock hardness	F=6-20	Warranty	1 Year
Condition	New	After-sales Service	7X24hours available
Type	Down the hole drill bits	Color	As request
Processing Type	Forging	Button shape	Spherical, Ballistic, Semi-ballistic
Place of Origin	Hebei, China (Mainland)	Bit face shape	Flat, concave, convex, drop center
Brand Name	JCDRILL	Other shanks	COP,DHD,MISSION, SD
Usage	Rock drilling	Type	DTH Hammer bits
Material	Tungsten Carbide	Machine Type	Drilling Tool
Advantages	high quality and factory prices	Bit face shape	Flat, concave, convex, drop center
Application	Quarry or mining or well drilling	Packing	Carton and Wooden case

Bit Shank	Bit Diameter.(mm)
CIR-Series Low Air pressure DTH Bits
CIR65,HR65	65,68,75mm
CIR80,HR80	83,85mm
CIR90,HR90	85,90,110mm
CIR110,HR110	110,115,120,135mm
HR150,	155,160,165,170,180,210,220mm
1''-2''Middle Air pressure DTH Bits
BR1,BR2,HD25	64,70,76,80,82,90mm
3'' High Air pressure DTH Bits
COP32,BR3,HD35,IR3.5,COP34,QL30,M30	85,90,95,100,105mm
4'' High Air pressure DTH Bits
HD45,DHD340A,COP44,SD4,QL40,M40,HM4	105,110,115,120,127,130,133mm
5'' High Air pressure DTH Bits
HD55,DHD350,COP54,SD5,QL50,M50,HM5	130,135,140,146,152,165mm
6'' High Air pressure DTH Bits
HD65,DHD360,COP64,SD6,QL60,M60,HM6	152,155,165,171,190,203mm
8'' High Air pressure DTH Bits
HD85,DHD380,COP84,SD8,QL80,M80,HM8	200,203,216,222,226,229,,241,254,270,305mm
10'' High Air pressure DTH Bits
SD10,NUMA100	254,305,311,318,330mm
12'' High Air pressure DTH Bits
DHD1120,SD12,NUMA120,NUMA125	305,311,330,356,381mm

Minimum Order Quantity	N/A
Price
Packaging Details	Standard Export Delivery Package
Delivery Time	7days
Payment Terms	T/T
Supply Ability	Based on Detailed Order

This Middle-Low high air pressure DTH hammer work with footvalve is designed and developed by our own, which has BR1 BR2 BR3 models With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards. It is durable for being produced with advanced craftwork and good material. DTH hammer include high air pressure middle and low air pressure three series, with advanced design concept, better wear-resistance, better impact-resistance, higher drilling speed, longer service life, widely used in large-scale open pit mining, quarry and other large-scale construction projects

Middle Pressure button bits
	Model	Head,Dia.（mm）	Shank Length	Apline Q'ty	Port Hole Q'ty	Drill Bit Face
BR	BR1	64,70	163	6	2	Flat Face,Convex Face
	BR2	76,80,85,90	165	6	2	Flat Face
	BR3	90,95,100,108	165	6	2	Flat Face