Description：Kinds of Brass Screws and Fittings
Material：C37700 & DZR
Thread：UNC、UNF、NPT、RP、R & G

Description：Brass Inserts & Screws
Material：C37700
Thread：Rp & R

Description：Flare Fittings
Standard：SAE 513 & 512
Material：C37700
Thread：UNF、NPTF & NPT