HDS-3 1/2

P/F PIN DRIVE ROLLER KELLY BUSHING INTERCHANGEABLE WITH TYPE 27HDP HEAVY DUTY FOR 3 1/2", 5", 5 1/4", 6" HEXAGONAL KELLY REF : ALL MANUFACTURERS AS 27 HDP TYPE WITH API 7K MONOGRAM ROLLER ASSY. COMPLETE FOR 5-1/4" HEX

US$ *777.78EA

Model/PN: HDS-3 1/2"

Brand: RUSHI

Standard: API

Lead Time: 20 days

Warranty: 12 Months

Place of Origin: China

Payment Method: T/T

Application: Oilfields equipments & Spares

Packaging: Export Standard Packing

HS code: 8431499900

Key Word: Roller Kelly Bushing

Condition: New

Packing: Export Standard Package

Application: Oilfields equipments & Spares

Color: Red; Yellow

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Product Details

ROLLER KELLY BUSHING HDS, HDP, 4KRVS, 4KRBM SERIES
Roller Kelly bushing can be classified as two types based on different ways of drive, square drive and pin drive. Also the can be classified as three types based on different styles, heavy, medium and light-duty. They are used for 17 1/2” to 49 1/2” rotary tables. They are designed and manufactured according to API spec 7k specification for drilling and well servicing equipment.

Features of  Roller kelly bushing:
1. Roller kelly bushing is a necessary tool for drilling.
2. It is to drive kelly spinner by matching with master bushing. Through rotating of four rollers, the friction between rollers and kelly pipe is reduced and service life is extended.
3. For different sizes of kelly pipe and hexagonal pipe only need to change corresponding rollers.
To connect with rotary table, there are two transmission styles (square and pin).
4.The product is designed and manufactured according to API Spec 7K “Specification for Drill Equipment.













































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