These truss head screws are self-tapping and machined from cadmium-plated stainless steel.
This truss head Phillips tapping screw(EDMO# 4RX1/2THA)is made from cadmium-plated stainless steel, has a 1/2-inch length, and a #4 thread size.
规格：
Length:
1/2 in
Size:
#4, type A thread
Material:
cadmium-plated, stainless steel
Head Diameter:
0.2500 in
特征：
Machined from cadmium-plated, stainless steel
55,000 PSI minimum tensile strength
Philips recessed head
