HF-P0028-UNFRFQ only

Button Head Socket Cap Screw — Round Head Allen Socket Cap Screws Carbon Steel Yellow Zinc Plated Finish UNC UNF Class 2A ASME B18.6.3 Imperial Inch Threads

Product visual referenceDimensions confirmed with quotation

ASME B18.6.3 · Grade 8

Round Head Allen Socket Cap Screws Carbon Steel Yellow Zinc Plated Finish UNF Class 2A ASME B18.6.3 Imperial Inch Threads

Button Head Socket Cap Screw manufactured in Carbon Steel to ASME B18.6.3. Choose a size and length below, then send your quantity and documentation requirements for quotation.

Choose thread series

Material: Carbon Steel
Thread series: UNF
Finish: Yellow Zinc
Drive: Hex Socket

Quoted to orderSend one complete specification.

Size · length · quantity · finish · delivery target

Nominal thread

Length

Quantity

SKU BHCS-CS-G8-UNC+UNF-1X1-4 · Thread and dimensions require confirmation with your drawing.

Request a Quote Send Drawing

Catalog recordHF-P0028-UNF

Thread systemUNF

Configurations81

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

1-121 · 12 TPI

1/4 in5/16 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/4 in

9

1/2-201/2 · 20 TPI

1/4 in5/16 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/4 in

9

1/4-281/4 · 28 TPI

1/4 in5/16 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/4 in

9

1-1/2-121-1/2 · 12 TPI

1/4 in5/16 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/4 in

9

1-1/4-121-1/4 · 12 TPI

1/4 in5/16 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/4 in

9

1-3/41-3/4 · in

1/4 in5/16 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/4 in

9

1-1/8-121-1/8 · 12 TPI

1/4 in5/16 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/4 in

9

3/4-163/4 · 16 TPI

1/4 in5/16 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/4 in

9

3/8-243/8 · 24 TPI

1/4 in5/16 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/4 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.

Product code: HF-P0028-UNF
Product type: Button Head Socket Cap Screw
Material: Carbon Steel
Standard: ASME B18.6.3
Grade / class: Grade 8
Finish: Yellow Zinc
Thread series: UNF
Drive type: Hex Socket

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