HF-P0043-UNCRFQ only
Hex Flange Bolt — Asme/ansi Flange Bolts 1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 5/8-11 UNC UNF Flange Bolts Outer Hexagonal Serrated Screw
Product visual referenceDimensions confirmed with quotation

Industrial fastener

Asme/ansi Flange Bolts UNC Flange Bolts Outer Hexagonal Serrated Screw

Hex Flange Bolt manufactured in Steel for industrial fastening applications. Choose a size and length below, then send your quantity and documentation requirements for quotation.

Choose thread series
Material
Steel
Thread series
UNC
Finish
Zinc Plated
Drive
External Hex
Quoted to orderSend one complete specification.

Size · length · quantity · finish · delivery target

SKU HFB-STL-UNC+UNF-1-4-20X5
Catalog recordHF-P0043-UNC
Thread systemUNC
Configurations54
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
5 in3 in1 in2 in1/2 in3/4 in3/8 in2-1/2 in5/8 in
9
5/16-185/16 · 18 TPI
5 in3 in1 in2 in1/2 in3/4 in3/8 in2-1/2 in5/8 in
9
3/8-163/8 · 16 TPI
5 in3 in1 in2 in1/2 in3/4 in3/8 in2-1/2 in5/8 in
9
7/16-147/16 · 14 TPI
5 in3 in1 in2 in1/2 in3/4 in3/8 in2-1/2 in5/8 in
9
1/2-131/2 · 13 TPI
5 in3 in1 in2 in1/2 in3/4 in3/8 in2-1/2 in5/8 in
9
5/8-115/8 · 11 TPI
5 in3 in1 in2 in1/2 in3/4 in3/8 in2-1/2 in5/8 in
9

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-P0043-UNC
02
Product type
Hex Flange Bolt
03
Material
Steel
04
Finish
Zinc Plated
05
Thread series
UNC
06
Drive type
External Hex

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