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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)

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 'Continue Shopping' button on the order form.

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.

Countersunk Socket Screws  UNF -  High Tensile Steel    Black finish

Thread	Length L (inches)	Socket Size (A/F)	Pack Qty	MF Ref	Price	You can enter/change the number of items on the order form
4 UNF
4 - 48	1/4" (6.35mm)		5	MF-CS110F	£0.85
			25	MF-CS110F/25	£3.60
4 - 48	3/8" (9.5mm)		5	MF-CS111F	£0.85
			25	MF-CS111F/25	£3.60
4 - 48	1/2" (12.7mm)		5	MF-CS112F	£0.85
			25	MF-CS112F/25	£3.60
Driving Tools for 4-48 UNF Socket Countersunk Screws
1.6mm (1/16") Hex/Allen Key				MF-HK-16	£0.60
1/16" Hex/Ball Driver				MF-BD-62	£2.75
6 UNF
6 - 40	1/4" (6.35mm)		5	MF-CS120F	£0.85
			25	MF-CS120F/25	£3.60
6 - 40	3/8" (9.5mm)		5	MF-CS121F	£0.85
			25	MF-CS121F/25	£3.60
6 - 40	1/2" (12.7mm)		5	MF-CS122F	£0.85
			25	MF-CS122F/25	£3.60
6 - 40	3/4" (19mm)		5	MF-CS124F	£0.85
			25	MF-CS124F/25	£3.60
Driving Tools for 6-40 UNF Socket Countersunk Screws
2.0mm Hex/Allen Key				MF-HK-20	£0.50
2.0mm Hex/Ball Driver				MF-BD-20	£2.75
8 UNF
8 -36	3/8" (9.5mm)		5	MF-CS131F	£0.85
			25	MF-CS131F/25	£3.60
8 -36	1/2" (12.7mm)		5	MF-CS132F	£0.85
			25	MF-CS132F/25	£3.60
8 -36	3/4" (19mm)		5	MF-CS133F	£0.85
			25	MF-CS133F/25	£3.60
Driving Tools for 8-36 UNF Socket Countersunk Screws
2.4mm (3/32) Hex/Allen Key				MF-HK-24	£0.60
2.4mm (3/32") Hex/Ball Driver				MF-BD-66	£3.25
2.4mm (3/32") T Handle Driver				MF-TH-332	£4.95
10 UNF
10 -32	3/8" (9.5mm)		5	MF-CS141F	£0.85
			25	MF-CS141F/25	£3.60
10 -32	1/2" (12.7mm)		5	MF-CS142F	£0.85
			25	MF-CS142F/25	£3.60
10 -32	3/4" (19mm)		5	MF-CS143F	£0.85
			25	MF-CS143F/25	£3.60
10 -32	1" (25.4mm)		5	MF-CS144F	£0.85
			25	MF-CS144F/25	£3.60
Driving Tools for 10-32 UNF Socket Countersunk Screws
3.2mm (1/8") Hex/Allen Key				MF-HK-32	£0.60
3.2mm (1/8") Hex/Ball Driver				MF-BD-69	£3.45

 

If the size you require isn't listed please e mail us for a no-obligation quotation.

This page was last modified on : May 29, 2024

 

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