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HF-P0220-UNCRFQ only
Hex Head Bolt — 316L Stainless Steel Hex Head Bolt UNC UNF 10#-32 1/4-20 3/8-16 1/2-13 7/8-9 Natural Finish A4-80 Marine Grade
Product visual referenceDimensions confirmed with quotation

ASME B18.2.1 · A4-80

316L Stainless Steel Hex Head Bolt UNC Natural Finish A4-80 Marine Grade

Hex Head Bolt manufactured in 316L Stainless Steel to ASME B18.2.1. Choose a size and length below, then send your quantity and documentation requirements for quotation.

Choose thread series
Material
316L Stainless Steel
Thread series
UNC
Finish
Plain
Drive
External Hex
Quoted to orderSend one complete specification.

Size · length · quantity · finish · delivery target

SKU HHB-316L-A480-UNC+UNF-1-4-20X6MM
Request a Quote Send Drawing
Catalog recordHF-P0220-UNC
Thread systemUNC
Configurations32
Supply modeMade to specification

Sizes & configurations

Choose diameter and length.

Browse the listed sizes. Where no length is listed, include the required overall length with your RFQ. Thread details and dimensions are confirmed during quotation.
Nominal threadRecorded lengthsRows
1/4-201/4 · 20 TPI
6 mm8 mm55 mm12 mm14 mm5 in3 in1 in
8
3/8-163/8 · 16 TPI
6 mm8 mm55 mm12 mm14 mm5 in3 in1 in
8
1/2-131/2 · 13 TPI
6 mm8 mm55 mm12 mm14 mm5 in3 in1 in
8
7/8-97/8 · 9 TPI
6 mm8 mm55 mm12 mm14 mm5 in3 in1 in
8

Need a size not shown? Send the standard, thread designation and drawing. Custom and non-standard configurations are reviewed individually.

Technical dossier

Specification at a glance.

Use these specifications for product selection. Final tolerances, dimensions and inspection requirements are confirmed before production.
01
Product code
HF-P0220-UNC
02
Product type
Hex Head Bolt
03
Material
316L Stainless Steel
04
Standard
ASME B18.2.1
05
Grade / class
A4-80
06
Finish
Plain
07
Thread series
UNC
08
Drive type
External Hex

Same product family

Related specifications.

View the full series

Engineering review before quotation

Specify it once. Quote it correctly.

Send the size, length, quantity and any drawing or inspection requirement. We will confirm manufacturability, MOQ and lead time before you commit.
Request a Quote Send Drawing