... :colorized 5.56mm the specification of the grease valve fitting is described as follows: PROPERTY 1materialsteel2colourcolorized3typestraight type4length56mm5thread16mm6HEX17mm7surfacezinc ... INFORMATION threadBSP,DIN,NPT,SAE12 specification in accordance with 71412,3402,3403,3405.13 over 70 thread ... ,big trucks,agricultural machinery,big machine17 we offer all the products we have shown on alibaba,we ...