tricoe bits rock bit steel toock bits from China manufacturer

Product Detail

Means of Transport: Ocean,Land,Air

Packing: wooden box or steel box or ...

Processing Types: Metal

Automatic Grade: Semiautomatic

Precision: Precision

Usage: Special

size: 3-7/8"~26"

Production Capacity: 3000 pcs/month

Delivery Date: within 15~30 days

Processing: Milling Machine

Workpiece and Weight: Heavy-duty Machine Tool

Controlling Mode: Machining Center

Brand Name: ZK

tooth type: TCI

1.best quality for 3"~26"
2.ISO&API
3.high quality, best price
4.cover all IADC code

product name API 12 1/4" IADC137 steel tooth tricone bit /rock bit with high quality

Size	12 1/4"(311.2MM)
IADC	137
Bearing Type	Elastomer sealed journal bearing
Thread Connection	4 1/2 reg pin
WOB(KN/mm)	0.45~1.0
RPM(r/min)	120~50
Applicable Formations	medium to hard hardness formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc
Circulation system	Mud pump

2.Deatail:

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”)

3.Available models:

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