aisi 4340 forged round bar
aisi 4340 forged round bar we supply are produced from the finest quality steel material , designed to withstand the stresses developed by the high powered drilling machines. The major applications include mining, quarrying, tunnelling, welling and civil engineering, The hollow steel drill rod has strict tolerances and higher standard of fine finish, The major drill rod we supply are Hex and Round hollow steel drill rod. All kinds of products: R3212-Round32-R3212 Extension rod/MF-rod/Speed rod, R32-Round32-R32, R32-Round39-R32 Guide Speedrod, deep hole thread drilling tool and so on for your choice.
Major materials : 55SiMnMo, 23CrNi3Mo Hex and Round hollow steel drill rod
Major dimensions we supply is B19,B22,B25,B28,B32,B35. (H19,H22,H25,H28,H32,H35).
Standard: Natinal standard, Altas copco’s stanard, Customer’s standard.
Hot sales product: aisi 4340 forged round bar.
R3212-Round32-R3212 Extension rod/MF-rod/Speed rod, R32-Round32-R32, R32-Round39-R32 Guide Speedrod
55SiMnMo/23CrNi3Mo Hex and Round hollow steel drill rod
Factory best price can be for your needs.
R32 Round Hollow steel drilling rod,
R38/R39 Round Hollow steel drilling rod.
Strict quality control to provide you with better products:
aisi 4340 forged round bar，R3212-Round32-R3212 Extension rod/MF-rod/Speed rod,R32-Round39-R32 Guide Speedrod. Round hollow steel ,Deep hole thread drilling tool.
If you need any rock drilling tools, please contact our company:
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