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Stainless Steel UNF Cap Screws

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You are here - Home > Fixings > Socket Screws > UNF Stainless Steel Cap Screws

On this page you will find our range of No 10 UNF
socket cap screws manufactured from A2 Stainless Steel.

UNF = Unified Fine thread

The range is limited at present and will be expanded soon.

Socket sizes are stated in millimetres (imperial sizes have been converted to metric). If you need a key, click on the symbol in the tables below and you will be taken to the allen key and ball driver page.


Please click here

Many other sizes are available, so if the size you need is not listed then please e mail us for a quotation via the fixings enquiry page.

To order, click on the 'Add to Order' button alongside the item of your choice. You can select the quantity on the order form (default is 1). To continue ordering other items, use the 'Back' button on your browser, or the continue shopping button on the order form - the order form will retain the information until you are ready to submit your order.

You can review and edit your order, or submit your order at any time by using the button at the bottom of each list.

For a guide to suitable washers, please scroll to the bottom of the page or click here

UNC and UNF screws are primarily sized in inches, but metric equivalents are given (to 2 decimal places).

Please note that the longer lengths are in some cases only partially threaded - see the thread length listed below (where thread length and overall length are the same dimension, the screws are fully threaded)

For UNC & UNF thread data - click here

All prices include 20% VAT  Click here for details

UNF Socket Cap Screws

A2 Stainless Steel



Thread Length

Socket size 


MF Ref

You can enter/change the number of items on the order form
Inches mm Inches mm
10-32 1/2 12.7 1/2 12.7 5 MF-SC280FS £1.00

10-32 5/8 15.8 5/8 15.8 5 MF-SC281FS £1.00

10-32 3/4 19 3/4 19 5 MF-SC282FS £1.00

10-32 1 25.4 1 25.4 5 MF-SC283FS £1.00

10-32 1 1/2 38.1 7/8 22 5 MF-SC285FS £1.20

Driving Tools for 10 - 32 UNF Socket Cap Screws
4mm (5/32") Hex/Allen Key   MF-HK-40 £0.60

4mm (5/32") Hex/Ball Driver   MF-BD-72 £3.35

4mm (5/32) T Handle Driver   MF-TH-532 £4.95

4mm Swivel Wrench   MF-BSHW4 £8.25


For UNC nuts - click here

For flat and spring washers - click here

We do not stock specific UNC washers, but the following metric equivalents can be used for general applications :-

UNC / UNF Screw size 2 3 4 5 6 8 10 1/4
Suitable Metric Washer Size M2 M2.5 M3 M3 M3.5 M4 M5 M6



This page was last modified on : February 07, 2024

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