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Fastenio — Precision Fastening Solutions
1-1/8-7 Hex Head Cap Bolts Partially Threaded Stainless Steel 316

1-1/8-7 Hex Head Cap Bolts Partially Threaded Stainless Steel 316

SKU: FN-BLT-HHB-1187-316-PT· 6 lengths

Bulk-Only Item

Minimum order quantity: 5 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 →

$88.33/ 5 pcs

$17.67/ea

pack

1 pack × 5 = 5 pieces

In Stock
FN-BLT-HHB-1187-3.5-SS316-CS-PT-EHEX-PL
Free US shipping 30-day returns Ships ~7 business days

1-1/8-7 316 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 UNC coarse machine thread toward the end. 316 (A4-70) stainless for marine, chemical and outdoor exposure where 18-8 is not enough, plain finish. 6 lengths (3-1/2" to 7"). Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Plain / Natural

Grade

316 (A4-70)

Size

1-1/8-7

Drive Type

Hex External

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 Flats1.688 in
Width Across Corners (max)1.949 in
Head Height0.688 in
Wrench Size1-11/16"
Thread1-1/8-7 UNC (Coarse)
Threads per Inch7
Thread Coverage3-1/2" to 6" lengths: 2-1/2" of thread; 6-1/2" to 7" lengths: 2-3/4" of thread
Material316 Stainless Steel
Grade316 (A4-70)
FinishPlain
StandardASME B18.2.1