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| Specifications | A4 | RC4 | DR4 |
|---|---|---|---|
| Drilling Conditions | General & Clay | Combo Earth & Rock | Dedicated Rock |
| Standard Hub | 65mm Round | 65mm Round | 65mm Round |
| Hub Options | 50.8 mm Round / 57 mm Square / 75 mm Square | 50.8 mm Round / 57 mm Square / 75 mm Square | 75 mm Square |
| Overall Length | 1200 mm | 1200 mm | 1200 mm |
| Flights (Lead) | 8 mm | 8 mm | 12 mm |
| Flights (Carry) | 8 mm | 8 mm | 8 mm |
| Teeth | TS | TT | 19 mm Rotating Rock Pick |
| Pilot | PM-SQ | PM-HX-3 | DRP-19-15 |
| Ideal Drives | ML / PDD - PD4 | PDD - PD4 | Contact Us |