$900.00/Piece|1 Piece (Min. Order)
| Basical Specification | |
| Size | 8 3/4 inch | 
| IADC code | S423 | 
| Thread | 4 1/2 inch | 
| Type | steel body | 
| No.of Nozzles | 3R+4F | 
| Gauge Length | 2 1/2inch | 
| blade | 7 | 
| Operating parameter | |
| RPM(r/m) | 60~300 | 
| WOB(KN/mm) | 5~25 | 
| Formation | Medium hard:hard and dense formation with high comoressive strength and medium abrasiveness | 
	
Contact: sales@superdrill.com.cn
Phone: 86-18186993613
Tel: 86-18186993613
Company: Hubei Superdrill Mechanical Equipment Co.,Ltd
Add: Building 3, Rainbow road,No.188 ; wuhan ;Hubei province