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Low Air Pressure DTH Bit

CIR70

CIR70 Diameter Gauge button Weight Part number
Ballistic button/ flat face
76mm 5X12 2.18kg CIR76-76BF

CIR90

CIR90 Diameter Gauge button Weight Part number
Ballistic button/ convex face
90mm 6X14 3.69kg CIR90-90BC
100mm 6X14 4.25kg CIR90-100BC
110mm 6X14 4.92kg CIR90-110BC
120mm 6X14 5.52kg CIR90-120BC
130mm 6X14 6.56kg CIR90-130BC

CIR110

CIR110 Diameter Gauge button Weight Part number
Ballistic button/ convex face
110mm 6X14 5.86kg CIR110-110BC
120mm 6X14 5.89kg CIR110-120BC
130mm 7X14 7.59kg CIR110-130BC
140mm 8X14 8.47kg CIR110-140BC
150mm 8X14 9.47kg CIR110-150BC
170mm 9X14 11.44kg CIR110-170BC
Ballistic button/ flat face
110mm 6X14 5.86kg CIR110-110BF
120mm 6X14 5.89kg CIR110-120BF
130mm 7X14 7.59kg CIR110-130BF
140mm 8X14 8.47kg CIR110-140BF
150mm 8X14 9.47kg CIR110-150BF
170mm 9X14 11.44kg CIR110-170BF

CIR130

CIR130 (Shank 65mm and 76mm) Diameter Gauge button Weight Part number
Ballistic button/ convex face
130mm 7X14 7.59kg CIR130-130BC
140mm 8X14 8.47kg CIR130-140BC
150mm 8X14 9.47kg CIR130-150BC
170mm 9X14 11.44kg CIR130-170BC
Ballistic button/ flat face
130mm 7X14 7.59kg CIR110-130BF
140mm 8X14 8.47kg CIR110-140BF
150mm 8X14 9.47kg CIR110-150BF
170mm 9X14 11.44kg CIR110-170BF

CIR150

CIR150 Diameter Gauge button Weight Part number
Ballistic button/ flat face
130mm 9X16 15.73kg CIR150-150BF
140mm 9X16 17.46kg CIR150-165BF
150mm 9X16 18.04kg CIR150-175BF
170mm 9X16 26.7kg CIR150-200BF

CIR170

CIR170 Diameter Gauge button Weight Part number
Ballistic button/ flat face
175mm 9X16 21.86kg CIR170-175BF
185mm 9X16 23kg CIR170-185BF
200mm 11X16 25.86kg CIR170-200BF
220mm 12X16 30.5kg CIR170-220BF
250mm 15X16 38kg CIR170-250BF
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