| Packaging Details: | wooden box; steel box; or as your requirements |
|---|---|
| Delivery Detail: | within 7-15 work days |
8 1/2 215.9mm TRICONE BIT
1, Structure features:
1) Material: 15CrNi4MO
2) rubber sealed bearing
3) journal bearing
4) Cutting element: hard alloy cutting tooth
5) Apply to hard drilling information
6) Bit size: 215.9mm, IADC code: 517/537G
7) Jet circulation:




3, Packing


or steel box

4, we can provide more size

5, size and model we can provide
60mm; 65mm; 76mm; 93mm; 95mm; 98mm (3 7/8') ,101.6mm, 114mm, 118mm, 120mm, 127mm (5') 130.1mm (5 1/8') ,133.3mm (5 1/4') ,139.7mm (5 1/2') ,142.8mm (5 5/8') ,149.2mm (5 7/8') 152.4mm (6') ,155.5mm (6 1/8') ,158.7mm (6 1/4') ,161.9mm (6 3/8') ,165.1mm (6 1/2') 190.5mm (7 1/2') ,193.6mm (7 5/8') ,200.0mm (7 7/8') 212.7mm (8 3/8') ,215.9mm (8 1/2') ,222.2mm8 3/4') 241.3 (9 1/2') ,244.4 (9 5/8') ,250.8 (9 7/8') 269.8 (10 5/8') ,295.3 (11 5/8') 311.1 (12 1/4') ,346.0 (13 5/8') ,349.2 (13 3/4') 374.6 (14 3/4') 381 (15') ,393.7 (15 1/2') ,406.4 (16') 444.5 (17 1/2') ,508 (20') ,558 (22') ,609.6 (24') 660.4 (26') |
Steel tooth (IADC) | 111, 121131 117124126127136137 211311 216217, 227 |
TCI (IADC) | 415435, 417437 515525535545, 517527537547 615625635; ; 617627637737 512522532612622632732 |
6, Payment terms
T/ T and L/ C are acceptable. (30% advanced payment after sign the contranct , then 70% payment after see the B/ L)
7, contact person

8, plz add this formation in you inquiry
1) the size of the tricone bit.
2) the IADC tooth model, for example 537G
3) plz tell the drilling information of the layer.
4) plz tell the quantity.