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DR roller reamer with replaceable roller and axle seat for stable drilling performance in various hole sizes

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XIAN ATO INTERNATIONAL CO.,LTD

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DR roller reamer with replaceable roller and axle seat for stable drilling performance in various hole sizes

Place of Origin : China

Marerial : carbon steel

Packaging Details : Wooden case

Packing : wooden case

Diameter : Varies from 2 inches to 8 inches

Consition : New

MOQ : 1

Scraper Range : 142-168

Certification : API

Standard : API 7-1

Payment Terms : L/C,T/T

Operatingtemperaturerange : -40°C to 150°C

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DR Roller Reamer

Product Overview

The DR roller reamer is engineered for various reaming operations, with particular effectiveness in stabilization applications when drilling through highly abrasive formations. This versatile tool accommodates multiple similar hole sizes through proper configuration of rollers and axle seats.

Suitable for various hole sizes with replaceable roller and axle seat components
Delivers stable drilling performance in challenging conditions
Features easy on-platform assembly and replacement of rollers and axle seats
Incorporates a "T" groove design between axle seat and main body for enhanced structural stability and safety

Technical Specifications

Model	Working OD mm (inch)	ID mm (inch)	Body OD mm (inch)	OAL mm (ft)	Roller OD mm (inch)	Roller Length mm (inch)	Connection
DR149	149.2 (5-7/8)	31.8 (1-1/4)	120.7 (4-3/4)	1600 (5.2)	46 (1-13/16)	200 (7-7/8)	NC38
DRI52	152.4 (6)	31.8 (1-1/4)	120.7 (4-3/4)	1600 (5.2)	50.8 (2)	200 (7-7/8)	NC38
DRI56	155.6 (6-1/8)	31.8 (1-1/4)	120.7 (4-3/4)	1600 (5.2)	50.8 (2)	200 (7-7/8)	NC38
DR216	215.9 (8-1/2)	48 (1-57/64)	165 (6-1/2)	1800 (5.9)	71.4 (2-13/16)	200 (7-7/8)	NC50
DR311	311.15 (12-1/4)	71.4 (2-13/16)	203 (8)	1900 (6.2)	100 (3-15/16)	300 (11-13/16)	6-5/8REG
DR444	444.5 (17-1/2)	76.2 (3)	229 (9)	2100 (6.9)	140 (5-1/2)	304 (12)	7-5/8REG

Product Tags:

Replaceable roller and axle seat DR roller reamer

Stable drilling performance Downhole roller reamer

Suitable for various hole sizes Drilling roller reamer

DR roller reamer with replaceable roller and axle seat for stable drilling performance in various hole sizes Images

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