According to the customer demands to make the goods.
Material: Alloy-Steel of High-Quality
1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(AISI 4140)
3) Cr12MOV(JIS SKD-11)
4) 4Cr5MoSiV1(JIS SKD-61)
Heat-treatment:
Nitriding treatment
Electroplated hard-chrome
High-frequency quenching
Spray coating Bimetallic-alloy
Types:
Screw can be mated with different heads of screw, barrel
Can be mated with different sprinkler heads.