Specifications

Tri Wing Screw Stainless Steel Flat Head
Specification:-

Screw standard:-
DIN 934,985, 439, A563 DH,10S 2H, 
Gr 4, Gr7, B8, B8M,A2,A4, 
SS316L, B8, B8M                        

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Screw Materials:-
Carbon steel, stainless steel, F436M,
SS304, SS316L, 
SPRING,TAPER, PLATE,SS316
4.6. CARBON STEEL, ASTM 
a36, 8.8, b7, a307, a325, a490,

 

Diameter : 3.5(#6),3.9(#7),4.2(#8),4.8(#10)
Length: 1/2",3/4"5/8".1",2",2-1/2"......4"
Surface: Yellow Zinc, Black, Blue, Nickel, Galvan-coating
Material: SteelC1022,harden higher resistance for special applications.