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The lists below show our range of Metric HT Steel Flanged Button Head socket screws in M3 M4, and M5. Manufactured to DIN 912

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.

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.
Tools for each size are now also listed at the bottom of each size section.

Tools for each size are now also listed at the bottom of each size section. Alternatively,

Please click here

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

Metric Thread Pitches

All our metric screws are standard pitch (metric coarse) as below unless stated otherwise. For more guidance on screw thread dimensions please click here

Thread M1.6 M2 M2.5 M2.6 M3 M3.5 M4 M5 M6 Pitch (mm) 0.35 0.4 0.45 0.45 0.5 0.6 0.7 0.8 1.0

Button Head Dimensions 'D' & 'AF' in mm (see dimension drawing below)

Thread M3 M4 M5 Head Dia 'D'* 5.5 7.3 9.5 Flange Dia * 6.6 9.2 11.4 Socket Size 'AF' 2.0 2.5 3.0

*Head dimensions are nominal and may vary marginally from batch to batch.

Flanged Button Head Socket Screws Metric Threads - High Tensile Steel Grade 10.9 Black Finish

M3	Please scroll down to the bottom of this M3 section for related ancillaries and tools
Thread	Length L (mm)	Socket size (AF)	Pack Qty	MF Ref	Price	You can enter/change the number of items on the order form
M3	8		10	MF-BHF33	£1.25
			50	MF-BHF33/50	£5.60
M3	10		10	MF-BHF34	£1.25
			50	MF-BHF34/50	£5.60
M3	12		10	MF-BHF35	£1.25
			50	MF-BHF35/50	£5.60
M3	16		10	MF-BHF36	£1.25
			50	MF-BHF36/50	£5.60
Driving Tools for M3 Socket Button Head Screws
2.0mm Hex/Allen Key				MF-HK-20	£0.50
2mm Hex/Ball Driver				MF-BD-20	£2.75

Popular ancillary items often ordered with M3 Steel Button Head Screws
	Description	Pack Qty	Pack Price				Description	Pack Qty	Pack Price
	M3 Steel BZP Hex Nuts	10	£0.60				M3 BZP Steel Flat Washers	20	£0.60
	M3 Steel BZP Nyloc Nuts	10	£0.80				M3 BZP Steel Spring Washers	20	£0.50
To see our full range of nuts and/or order larger quantities, please click here						To see our full range of washers and/or order larger quantities, please click here

M4	Please scroll down to the bottom of this M4 section for related ancillaries and tools
Thread	Length L (mm)	Socket size (AF)	Pack Qty	MF Ref	Price	You can enter/change the number of items on the order form
M4	8		10	MF-BHF43	£1.25
			50	MF-BHF43/50	£5.60
M4	10		10	MF-BHF44	£1.25
			50	MF-BHF44/50	£5.60
M4	12		10	MF-BHF45	£1.25
			50	MF-BHF45/50	£5.60
M4	16		10	MF-BHF47	£1.25
			50	MF-BHF47/50	£5.60
M4	20		10	MF-BHF48	£1.25
			50	MF-BHF48/50	£5.60
M4	25		10	MF-BHF49	£1.25
			50	MF-BHF49/50	£5.60
Driving Tools for M4 Socket Button Head Screws
2.5mm Hex/Allen Key				MF-HK-25	£0.50
2.5mm Hex/Ball Driver				MF-BD-25	£2.75
2.5mm T Handle Driver				MF-TH-25	£4.95

M5	Please scroll down to the bottom of this M5 section for related ancillaries and tools
Thread	Length L (mm)	Socket size (AF)	Pack Qty	MF Ref	Price	You can enter/change the number of items on the order form
M5	10		10	MF-BHF59	£1.25
			50	MF-BHF59/50	£5.60
M5	16		10	MF-BHF52	£1.25
			50	MF-BHF52/50	£5.60
M5	25		10	MF-BHF54	£1.25
			50	MF-BHF54/50	£5.60
Driving Tools for M5 Socket Button Head Screws
3.0mm Hex/Allen Key				MF-HK-30	£0.50
3mm Hex/Ball Driver				MF-BD-30	£2.95
3mm T Handle Driver				MF-TH-30	£4.95
3mm Swivel wrench				MF-BSHW3	£8.25