• Model NO.：J,CIR,COP,IR,DHD,SD,QL,NUMA,BR,CIR,Bulroc,Halco
• Air Pressure：High, Medium, Low
• Color：Yellow,Blue,Black or Depends on Your Request
• Drill Diameter：65mm-800mm
• Connection Thread：API Standard
• Delivery Time：Within 20 Days Afer Receiving Your Full Payment
• Transport Package：by Carton,Wooden Case,Plywood or Depends on You
• Specification：CE&SGS
• Trademark：Bestlink
• Origin：Xiamen, China
• HS Code：82071990
• Production Capacity：30000PCS,Month

CIR80BΦ76*785(4spline)0.5-0.76.090*52*481019Φ76*777(6spline)90*54*6CIR90Φ80*8000.5-0.77.290-100*54*684020CIR100Φ90*4340.5-0.78.0100-130*50*flat82019CIR100AΦ90*7150.5-0.710.0105-115*56*482024CIR100BΦ95*8470.5-0.712.0110-115*60*482030110-115*65*6CIR110Φ98*8710.5-0.712.0110-120*65*682037CIR150BΦ136*9080.5-0.715.0150-165*90*885068CIR150CΦ142*9130.5-0.717.0155-165*90*685069CIR150CΦ135*6870.5-0.713.0155*80*886043CIR170AΦ156*10220.5-0.719.5170-175*98*6840102CIR200AΦ188*11200.5-0.724.0210*120*6840163
Low Air Pressure DTH Button Bit: Dia(mm)buttonflushing holesplineweight(kg)product no.suitable hammerGaugegauge-frontfront604-122-10 134*4 DHP60B-34*4CIR60 4-123-12 137*4 DHP65B-37*4CIR60765-133-12 244*42.5DHP76C-44*4CIR76766-134-12 344*42.5DHP76D-44*4CIR76765-123-12 244*42.5DHP76C1-44*4CIR76806-124-11 350*6 DHP80D-50*6CIR80A805-143-12 250*63.6DHP80C-50*6CIR80A906-144-12 350*63.5DHP90D-50*6CIR80A906-144-12 354*63.5DHP90D-54*6CIR90906-142-132-12254*6 DHT90D-54*6CIR90956-142-132-12254*63.7DHT95D-54*6CIR901006-143-132-12254*63.7DHT100D-54*6CIR901056-142-133-12360*4 DHT105D-60*4J-100B1106-144-133-12260*4 DHT110D-60*4J-100B1106-142-133-12265*66.3DHT110D-65*6CIR1101206-145-132-13365*66.8DHT120D-65*6CIR1101306-147-13 365*67.5DHP130D-65*6CIR1101508-165-143-14290*618DHT150F-90*6CIR150C1509-166-164-14390*618DHT150G-90*6CIR150C1558-166-143-14290*619DHT155F-90*6CIR150C1658-166-144-14290*621DHT165F-90*6CIR150C1759-166-149-14398*622DHT175G-98*6CIR170A21015-187-162-163120*630DHT210N-120*6CIR200A
A: CIR Series Low Air Pressure Down The Hole Bits:
TypeDia.Spline No.Weight (Kg)CIR65
CIR70
CIR80
CIR80X
CIR90
CIR90
CIR90
CIR110
CIR110
CIR110W
CIR110W
CIR150
CIR150A
CIR150A
CIR170
CIR170A
CIR200W68
76
83
83
90
100
130
110
123
110
123
155
155
165
175
185
2006
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
62.50
3.40
3.45
3.50
3.50
4.50
9.50
6.40
8.50
6.50
8.80
12.0
12.5
14.0
15.5
16.0
48.0
B: J Series Low Air Pressure Down The Hole Bits 
TypeDia.Spline No.Weight (Kg)J60C
J70C
J80B
J80B
J100B
J100B
J100B
J150B
J150B
J150B
J170B
J170B
J200B
J200B65
75
85
90
110
115
120
155
160
165
170
180
210
2204
4
4
4
4
4
4
4
4
4
4
4
4
42.26
2.80
3.20
4.80
5.04
5.50
6.25
14.0
15.5
22.0
24.5
28.6
43.5
45.0
We can design and manufacture according to customer's requirement of the Bit Dia, No. air holes, carbide button shape and the face shape.