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5/16-18 Hex Head Cap Bolts Fully Threaded Stainless Steel 18-8 — Bulk Lengths

5/16-18 Hex Head Cap Bolts Fully Threaded Stainless Steel 18-8 — Bulk Lengths

SKU: FN-BLT-HHB-51618-SS18-FT-BULK· 1 length

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 →

$18.53/ 10 pcs

$1.85/ea

pack

1 pack × 10 = 10 pieces

In Stock
FN-BLT-HHB-51618-7-SS18-CS-FT-EHEX-PL
Free US shipping 30-day returns Ships ~7 business days

5/16-18 18-8 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 UNC coarse machine thread. Corrosion-resistant 18-8 (A2-70) stainless, plain finish. Length 7". This length is a bulk-pack size; the regular 5/16-18 fully threaded listing has the stocked lengths. Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Plain / Natural

Grade

18-8 (A2-70)

Size

5/16-18

Drive Type

External Hex

Head Style

Hex

Standard

ASME B18.2.1

Guides: What does 1/4-20 mean? · 18-8 stainless steel vs. other grades

Technical Specifications

Head StyleHex
Width Across Flats0.500 in
Width Across Corners (max)0.577 in
Head Height0.203 in
Wrench Size1/2"
Thread5/16-18 UNC (Coarse)
Threads per Inch18
Thread CoverageFull Thread
Material18-8 Stainless Steel
Grade18-8 (A2-70)
FinishPlain
StandardASME B18.2.1