635 635 5505
01Hammers & Bits – COP20
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General Specifications
- Drill Pipe Connection : RD 50-6 Box
- Bit Shank code/type : BR2
- Length w/o bit shoulder to shoulder : 810 mm
- Length with bit extended : 885 mm
- Length with bit retracted : 860 mm
- Weight w/o bit : 13.5 kg
- Back head across flats : 47.5 mm
- Rec. bit size : 70 mm & above
- Outside Diameter : 62 mm
- Piston weight : 1.7 kg
- Maximum Operating Pressure : 15 bar
02Hammers & Bits – Prisma 3
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General specifications
- Drill pipe connection : API 2 3/8″ Reg. Pin
- Bit shank code/ type : DHD 3.5
- Length w/o bit shoulder to shoulder : 776 mm
- Length with bit extended : 871 mm
- Length with bit retracted : 841 mm
- Weight w/o bit : 20.2 kg
- Backhead across flats : 57 mm
- Rec. bit size : 85 mm & above
- Outside diameter : 78 mm
- Piston weight : 4.06 kg
- Maximum Operating Pressure : 17 bar
Hammers & Bits – QL 40/45
- Standard-Metric Quarry-Metric
- Standard drill pipe connection2 3/8 API reg pin 2 3/8 API reg pin
- Outside diameter(mm) 94 98
- Length w/o bit shoulder to shoulder (mm) 947 947
- Length with bit extended (mm) 1061 1061
- Length with bit retracted (mm) 1026 1026
- Weight w/o bit (kg) 32 37
- Backhead across flats (in) 13/4 x 21/2 AF 13/4 x 21/2 AF
- Minimum bit size (mm) 105 110
- Maximum bit size (mm) 125 125
- Bore (mm) 76 76
- Piston weight (kg) 8 8
- Stroke (mm) 102 102
- Maximum pressure differential (bar) 25 25
- Maximum choke diameter (mm) 9.6 9.6
- Make-up torque (N-m) 5416 5416
04Hammers & Bits – Karishma 4
- Drill pipe connection: API 2 3/8 in Reg. Pin
- Bit shank code / type : K43
- Length w/o bit shoulder to shoulder: 978 mm
- Length with bit extended : 1087 mm
- Length with bit retracted : 1049 mm
- Weight w/o bit: 47 Kgs
- Backhead across flats : 74.5 mm
- Rec. bit size : 121mm & above
- Outside diameter : 107 mm
- Piston weight :9.5 Kgs
- Maximum Operating Pressure: 17 bar
05Hammers & Bits – Karishma 6
- Drill pipe connection: 2 7/8 in IF Pin
- Bit shank code / type : Q5N
- Length w/o bit shoulder to shoulder: 998 mm
- Length with bit extended : 1131 mm
- Length with bit retracted : 1098 mm
- Weight w/o bit: 93.6 kg
- Backhead across flats : 90 mm
- Rec. bit size : 165 mm & above
- Outside diameter : 148 mm
- Piston weight :19.1 kg
- Maximum Operating Pressure: 25 bar
