�  Jinquan Drill Pipes-cutting tool, drill bit

Jinquan Drill Pipes-cutting tool, drill bit

Cutting Tool

Drill Bits

Oil Drill Bits

Mining Bits

Drill Collars

Drill Pipes

Drilling Tools

Bit Coals

About Jinquan Extension Drill Pipe

Extension Drill Pipe.

Extension pole, extension rod, extension handle:
 
(1) Threaded Connection: R32, R38, T38, T45, T51, and so on.
(2) Diameter: OD32, OD38, HEX32, HEX35, And so on.
(3) Length: 800-6000MM.

Our products enjoy good repution because of:
a. Sample are available
b. Prompt delivery
c. Quality Approval: ISO9001
d. Top quality & Competitive price
e. Small order acceptable 
f. High precision in size and shape
g. Excellent comprehensive mechanical properties
h. High connection strength and sealability
i. High fatigue strength and long fatigue life

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