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Socket Countersunk Screw Din 7991

SKU: SK09 Category:

Socket Csk Screws Din 7991

Socket Countersunk Screw – DIN 7991
Thread Diameter D2(mm) K Max (mm) S Min (mm) Pitch Available Lengths
M2
4.0
1.2
1.27
0.40
From 3mm
M2.5 5.0
1.45
1.5
0.45
From 3mm
M3 6.0
1.7
2.0
0.50
From 4mm
M3.5 7.0 From 5mm
M4 8.0
2.3
2.5
0.70
From 4mm
M5 10.0
2.8
3.0
0.80
From 6mm
M6 12.0
3.3
4.0
1.00
From 8mm
M8 16.0
4.4
5.0
1.25
From 10mm
M10 20.0
5.5
6.0
1.50
From 12mm
M12 24.0
6.5
8.0
1.75
From 16mm
M14 27.0
7.0
10.0
2.00
From 25mm
M16 30.0
7.5
10.0
2.00
From 20mm
M18 33.0
8.0
10.0
2.50
From 40mm
M20 36.0
8.5
12.0
2.50
From 30mm
M22 36.0
13.1
14.0
2.50
From 40mm
M24 39.0
14.0
14.0
3.00 From 30mm
M27


3.00 Please Call
M30


3.50 From 50mm
M36


4.00 Please Call

Socket countersunk head machine screws to DIN 7991 have a hexagonal recess and is driven using a hex wrench or insert bit. This makes these screws much more efficient than the slotted screw products as the hex socket drive has more resistance to cam out and can be used with power drivers enabling faster use and higher torque to be achieved.

Socket countersunk head machine screws to DIN 7991 are available from stock in steel grade 10.9, A2 stainless steel and A4 stainless steel brass, aluminium and titanium.

Socket countersunk machine screws to DIN 7991 range from M2 to M36 but other diameters and lengths are also available upon request. We also stock a large range of imperial diameter socket countersunk head machine screw in various materials.

Also stocked in UNC, UNF, BSW and BSF.