Steel White Zinc Plating Spring Plunger Hex Allen

With the help of diligent and adept professionals, our organization is prominent Exporter & Manufacturer of White Zinc Plating Spring Plunger Hex Allen in Zhoushan, Zhejiang Sheng, China.
1A A A SDMP has a workshop speccialized in producing spring plunger for plastic injection mould in std ISO JIS HASCO MISUMI.
2) SIZE: M3x5 M4x7 M5x7 6M x9 M10x12 M12x14 M16x20.for standard size we stock at least 5000 pcs every one. fast delivery is sure.
3)Material Housing: Steel, hardened, black oxide finish
Ball: Steel, hardened, plain finish
Spring: stainless Steel
Zinc plated ball indicates heavy spring load stainless steel
Housing: Stainless steel 1.4305( ASTM 303)
Ball: Stainless steel,1.3541(ASTM440), hardened
Spring: Stainless steel,1.4568(X 7 CrNiAl 17.7)