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Fastenio — Precision Fastening Solutions
5/16" Hex Washer Head Sheet Metal Screws Type A Zinc-Plated Steel

5/16" Hex Washer Head Sheet Metal Screws Type A Zinc-Plated Steel

SKU: FN-SMS-HW-516-CSTL-A-EHEX-ZP· 2 lengths

Bulk-Only Item

Minimum order quantity: 2,000 pieces per pack. Ships 7 business days after your cart reaches the $500 bulk minimum — bulk-only and regularly-stocked items both count. Learn more →

$245.52/ 2,000 pcs

$0.12/ea

pack

1 pack × 2,000 = 2,000 pieces

In Stock
FN-SMS-HW-516-0.75-CSTL-A-FT-EHEX-ZP
Free US shipping 30-day returns Ships ~7 business days

5/16" hex washer head sheet metal screws, Type A, in zinc-plated steel to ASME B18.6.4. Sharp gimlet point and widely spaced thread (9 threads per inch) for fastening thin sheet metal, plastics and wood. The hex head has a built-in washer face that spreads the load and protects the surface, with a 1/2" external hex for a nut driver or socket. Case-hardened steel with a clear trivalent zinc plating for light corrosion protection in indoor or dry locations. 2 lengths (3/4" to 1-1/2"). Sold in production-volume bulk packs.

Material

Steel

Finish

Zinc Plated

Grade

Case-Hardened Steel

Size

5/16"

Drive Type

Hex External

Head Style

hex washer

Standard

ASME B18.6.4

Technical Specifications

Thread TypeType A
PointGimlet (sharp)
Threads per Inch9
Head StyleIndented hex washer head
DriveExternal hex
Hex Size (across flats)1/2 in
Washer Diameter0.676 in
Head Height0.230 in
Thread CoverageFull Thread
MaterialCase-Hardened Steel
FinishZinc Plated (clear trivalent)
StandardASME B18.6.4