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8 1/2 CHV537L

8 1/2 CHV537L is part of Single Roller Cone Bit,Shareate' S horizontal directional drilling products have formed a variety of series, including tricone bits, reamers and trenchless bits.

PRODUCT SPECIFICATION

CUTTING STRUCTURE
Off wedge on outer rows, spoon on inner rows.
Designed for medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite, etc.
Compressive strength: 15,000-23,000 psi
SHIRTTAIL PROTECTION
Hard welding and wear resistant carbide protection on shirttail and lug back.
PRODUCT SPECIFICATION
IADC Code:  537
Bearing Type: Journal bearing/Rubber sealing ring
Circulation Type: Mud
Cutting Structure:
Inner rows: Spoon
Outer rows: Off-wedge
Gage bevel Protection: Flat
Pin Connection:  4 1/2″ API REG
Bit Diameter: 216mm
Product Weight:  38Kg
OPERATING SUGGESTIONS
Weight on Bit:  0.35--1.05 kN/mm
Rotational Speed: 40-110 rpm

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NEWS

The History of Cemented Carbide

The initial development of cemented and sintered carbides occurred in Germany in the 1920s. ThyssenKrupp says, "Sintered tungsten carbide was developed by the "Osram study

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