super quality 9 7/8 inch API drilling tricone bits for water well

Specifications

        water well drilling bits

Available sizes:

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”)

Available models:

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

Steel tooth

(IADC):

111, 121,131

117,124,126,127,136,137                                                                                                                                 

211,311

216,217, 227

 All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request. 

Hejian Hengji Bit Manufacture Co., Ltd  we have been in line with the belief of "faith-based, quality of survival and mutual benefit, provides the highest quality products and attentive service for our customers". We are looking forward to establishing relationships with you in the near future.