This page lists our range of High Tensile* UNF Countersunk (sometimes called 'flat head') Screws with socket heads.
*Some sizes also available and indicated below in stainless steel
We stock various lengths in 4-48,
6-40, 8-36 and 10-32
thread (No 4, 6, 8 and 10 UNF)
You can review and edit your order, or submit your order at any time by using the button at the bottom of each list.
All dimensions are inches
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.
Note that the length of countersunk screws is the length including the screw head and all our UNF countersunk screws are fully threaded.
If the size you require isn't listed please e mail us for a no-obligation quotation.
This page was last modified on : February 01, 2022
Send mail to
questions or comments about this web site.