5/16"-18x1/2" Slotted Truss Head Machine Screws Zinc

Part Number: STHMS31C50Z
Diameter/Pitch: 5/16"-18
Length Under Head: 1/2"
Grade: Steel
Head Type: Slotted Truss
Finish: Zinc Clear
Coarse / Fine Threads: Coarse
Partial / Full Threads: Full