Free US Shipping on Every Order  |  Volume Discounts Available
Fastenio — Precision Fastening Solutions
1/4-28 Hex Head Cap Bolts Fully Threaded Stainless Steel 316

1/4-28 Hex Head Cap Bolts Fully Threaded Stainless Steel 316

SKU: FN-BLT-HHB-1428-316-FT· 3 lengths

Bulk-Only Item

Minimum order quantity: 2,500 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 →

$420.20/ 2,500 pcs

$0.17/ea

pack

1 pack × 2,500 = 2,500 pieces

In Stock
FN-BLT-HHB-1428-0.5-SS316-FN-FT-EHEX-PL
Free US shipping 30-day returns Ships ~7 business days

1/4-28 316 stainless steel hex head cap screws (hex cap bolts), ASME B18.2.1. A hex head for wrench or socket driving, threaded the full length with a UNF fine machine thread. 316 (A4-70) stainless for marine, chemical and outdoor exposure where 18-8 is not enough, plain finish. 3 lengths (1/2" to 1"). Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Plain / Natural

Grade

316 (A4-70)

Size

1/4-28

Drive Type

Hex External

Head Style

hex

Standard

ASME B18.2.1

Technical Specifications

Head StyleHex
Width Across Flats0.438 in
Width Across Corners (max)0.505 in
Head Height0.156 in
Wrench Size7/16"
Thread1/4-28 UNF (Fine)
Threads per Inch28
Thread CoverageFull Thread
Material316 Stainless Steel
Grade316 (A4-70)
FinishPlain
StandardASME B18.2.1