Factory 8 1/2 Inch 216mm IADC537/217g TCI Bits/Steel Milled Tooth Tricone Bit/Rock Roller Cone Bit for Water/Oil/HDD Drilling

2025-04-13 introduction 4030

Customized:

Customized

Standard:

API

Material:

Tungsten Carbide

Usage:

Well Drilling

Bearing Type:

Rubber Sealed Journal Bearing

Diameter:

215.9mm

Leg and Shirttail Protection:

Hardmetal with Ovoid Inserts

Pin Connection:

4 1/2" API Reg

Trademark:

YINHAI

Transport Package:

Ply Wooden Box/Carton

Specification:

35-40kg

Origin:

Cangzhou City, Hebei Province, China

HS Code:

8431431000

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