... -8.6mm Application:Oil tank,transmission. Welded cold drawn tube for hydraulic and pneumatic power system1.Grade:SAE/ASTM 1008,1010,1015 ... :Oil tank tube,transmission shaft tube ,engine hydraulic tube ,automobile shock absorber cylinder ect For more details , Please kindly tell us by ... do not hesitate to tell us . Welded cold drawn tube for hydraulic and pneumatic power system