Supply 8 1/2" Roller Bit

Customized:	Non-Customized
Standard:	AISI, API
Length:	Taper-length
Type:	Roller Cone
Material:	Tungsten Carbide
Usage:	Well Drilling

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Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd

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Basic Info.

Model NO.

8 1/2 Inch

Transport Package

Shipment

Specification

8 1/2" 637

Trademark

Superior

Origin

China

HS Code

82071910

Product Description

Product Description
single cone bit
1.Reliable bearing
2.reasonable price
3.quality assurance
4.Many models

This size range of YC series single cone bit is 3 1/2-6 1/2 inch and its IADC code is 437-637.

Main structure features of single cone bit:
-With particular structure of the cone,equal worn of the compacts in permanent contact area and alternative contact area of the bit is realized.
-Wear resistance of the cutting structure is enhanced by setting PDC cutters in the permanent contact area of the cone where compacts are most severely worn.
-Optimized hydraulics structure improved the cleaning ability of hydraulic system on cone and bottom hole,and assure higher ROP.
-The bit has excellent gage protection and up reaming abilities by setting active cutting conical spherical gage compacts on head body.

Steel Tooth Cones& TCI Cones
Cutting Structure	Part of Tricone bits, both Steel Tooth Bits and TCI Bits are available .
Product Application	Bit cutters(legs) are mainly used in building big diameter piling bits or hole opener , core barrel a ccording to different formations .
Main Type Available	Most of regular sizes and IADC Codes.