benefit,provides the highest quality products and attentive service for ourcustomers". We are looking forward to establishing relationships withyou in the near future
1,Structure features:
1) Material: 15CrNi4MO
2) Rubber/metalsealed bearing
3) Jeurnal/rock bearing
4) Cutting element:hard alloy cutting tooth
5) Apply to soft-medium,medium-hard drilling information
6) Bit size:6 "IADC code:517
2,products details
3,Packing
5,Certification : API
6,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(83/8”),215.9mm(81/2”),222.2mm83/4”) 2241.3(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, 121,131 117,124,126,127,136,137 211,311 216,217, 227 |
TCI (IADC) | 415,435, 417,437 515,525,535,545, 517,527,537,547 615,625,635,,617,627,637,737 512,522,532,612,622,632,732 |
7,Payment terms
T/T and L/C are acceptable.(30% advanced payment after sign the contranct ,then 70% payment after see the B/L) and L/c at sight.
