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Screws
Phil Truss Head Machine Screw
Phil Truss Head Machine Screw
#4 ~ 3/4"
5/16 ~ 5"
Carbon Steel、Stainless Steel、etc...
Trivalent Zinc、Passivated、etc...
Per
ASME B18.6.3 2002
etc...
Hex Nuts
Flat Washers
External Too...
Internal Too...