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| BrandJinquan | Valid until2015-12-01 [Expired] | Latest update2015-03-17 21:16 |
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drill rods
Thread extension steel bars for rock drilling must own high fatigue strength, elasticity, rigidity and toughness, but strength and toughness is contradictory. The thread at both ends of the thread rods is a whole set of drilling tools, it's the key part of rod. It is well known that the performance of the material could be played well only after going through heat treatment to release its maximum potential, therefore, the choice of material and heat treatment process are import ant on an equal basis.
R32, R38, T38, T45, T51, T60 Thread Extension Rod:
(1) Threaded Connection: R22, R25, R32, R38, T38, T45, T51, and so on.
(2) Diameter: OD32, OD38, HEX32, HEX35, And so on.
(3) Length: 600
(4) Package: Wooden cases or wrapped with plastic knitting and then packed into bundles or as per your requests.
