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1/2-20 Hex Head Cap Bolts Partially Threaded Stainless Steel 316

1/2-20 Hex Head Cap Bolts Partially Threaded Stainless Steel 316

SKU: FN-BLT-HHB-1220-316-PT· 11 lengths

Bulk-Only Item

Minimum order quantity: 10 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 →

$30.91/ 10 pcs

$3.09/ea

pack

1 pack × 10 = 10 pieces

In Stock
FN-BLT-HHB-1220-4-SS316-FN-PT-EHEX-PL
Free US shipping 30-day returns Ships ~7 business days

1/2-20 316 stainless steel hex head cap screws (hex cap bolts), ASME B18.2.1. A hex head for wrench or socket driving, a smooth shank under the head and a UNF fine machine thread toward the end. 316 (A4-70) stainless for marine, chemical and outdoor exposure where 18-8 is not enough, plain finish. 11 lengths (2" to 7"). Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Plain / Natural

Grade

316 (A4-70)

Size

1/2-20

Drive Type

Hex External

Head Style

hex

Standard

ASME B18.2.1

Technical Specifications

Head StyleHex
Width Across Flats0.750 in
Width Across Corners (max)0.866 in
Head Height0.312 in
Wrench Size3/4"
Thread1/2-20 UNF (Fine)
Threads per Inch20
Thread Coverage2" to 6" lengths: 1-1/4" of thread; 6-1/2" to 7" lengths: 1-1/2" of thread
Material316 Stainless Steel
Grade316 (A4-70)
FinishPlain
StandardASME B18.2.1