API IADC637 roller bearing tricone bits
API IADC 637roller bearing triconebits
Available sizes:
60mm,65mm,76mm,93mm,95mm,98mm(37/8"),101.6mm,114mm,118mm,120mm,127mm(5") 130.1mm(5 1/8"),133.3mm(51/4"),139.7mm(5 1/2"),142.8mm(55/8"),149.2mm(5 7/8") 152.4mm(6"),155.5mm(61/8"),158.7mm(6 1/4"),161.9mm(6 3/8"),165.1mm(61/2") 190.5mm(71/2"),193.6mm(75/8"),200.0mm(7 7/8") 212.7mm(8 3/8"),215.9mm(81/2"),222.2mm83/4") 241.3(9 1/2"),244.4(95/8"),250.8(9 7/8") 269.8(10 5/8"),295.3(115/8") 311.1(12 1/4"),346.0 (135/8"),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") |
2.Availablemodels:
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 |
3.The advantages of ourproducts.
1.Reasonable price,durable
2.adapt to the soft, medium and hard of various strata
3High-strength, high flexibility,, high wear resistance
4.Optimal hydraulic design,easy to move out the drill cuttings and cooling.
5..Equipped with back reaming teeth.
6.The cutter is high performance to increase the ability of anti-impact and anti-abrasive.
