1350 E. Glendale Avenue Sparks, NV 89431 | (800) 800-8444 | (775) 355-1199 | Fax (775) 355-8775
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G-Force SD-8 Shank
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Hammer Specifications - G-Force SD-8 Shank
| Length (w/o drill bit) | 53.15" | 1,350.45 mm |
| Outside Diameter | 7.09" | 180 mm |
| Weight (w/o bit) | 423 lbs. | 192 kg |
| Cylinder Bore | 5.99" | 152 mm |
| Piston Stroke | 4.33" | 110 mm |
| Piston Weight | 98 lbs. | 44.5 kg |
| Top Thread | 4 1/2 " API Reg Pin |
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| Hole Sizes | 7 7/8" 10" |
200 mm 245 mm |
| Air Pressure Consumption | 150 PSI 250 PSI 300 PSI |
450 CFM 850 CFM 1080 CFM |
| Wrench Size | A/F 4 1/2" | 114 mm |
Connection |
Std. 4 1/2 " API Reg Pin (Other connections available by special order) |
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Features:
- Easy to service
- Special heat-treated alloy piston for long life, Rockwell hardness 60
- Back reaming buttons
- Minimum loss of performance when injecting foam or water; DRILLS WELL UNDER WATER
Air Consumption Chart
PSI |
150 |
200 |
250 |
300 |
350 |
400 |
CFM |
450 |
530 |
850 |
1080 |
1320 |
1500 |
Air Pressure Regulating with Choke
Size |
150 PSI |
200 PSI |
250 PSI |
300 PSI |
350 PSI |
400 PSI |
1/8" |
375 |
595 |
760 |
925 |
1060 |
1205 |
1/4" |
425 |
665 |
845 |
1095 |
1270 |
1350 |
All Hammers come Fitted with Blank Choke located in the Dart Valve
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