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5/16"-18 Hex Head Cap Bolts Stainless Steel 18-8 Black Fluoropolymer

5/16"-18 Hex Head Cap Bolts Stainless Steel 18-8 Black Fluoropolymer

SKU: FN-BLT-HHB-51618-SS18-BF· 2 lengths

Bulk-Only Item

Minimum order quantity: 1,000 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 →

$481.52/ 1,000 pcs

$0.48/ea

pack

1 pack × 1,000 = 1,000 pieces

Maximum order at this pack size: 1 pack.

In Stock
FN-BLT-HHB-51618-0.75-SS18-CS-FT-EHEX-BF
Free US shipping 30-day returns Ships ~7 business days

5/16-18 hex head cap bolts in 18-8 stainless steel to ASME B18.2.1, black fluoropolymer finish. Per ASME B18.2.1, lengths too short for the standard thread length are threaded full length; longer lengths carry the standard thread length shown for each length. A black fluoropolymer coating adds a black finish and extra corrosion resistance. 2 lengths (3/4" to 1-3/4"). Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Black Fluoropolymer

Grade

18-8 (A2-70)

Size

5/16-18

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 Flats1/2 in
Width Across Corners (max)0.577 in
Head Height0.203 in
Thread5/16-18 UNC (Coarse)
Threads per Inch18
Thread Coverage3/4": full thread; 1-3/4": 7/8" of thread
Material18-8 Stainless Steel
Grade18-8 (A2-70)
FinishBlack Fluoropolymer
StandardASME B18.2.1