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DIN 7967 Counter Nut (Pal Nuts)

Pal Nuts or Counter Nuts (DIN 7967)

Pal nuts are made to DIN 7967 and most commonly referred to as a Counter Nut, stamped sheet metal Check-Nuts or self locking Counter Nuts.

These locknuts are made from a spring-like steel which allows them to distort under load pressure, before returning to their original shape in the threaded area.

They are very lightweight and host a low profile and the ability to be tightened with an internal wrench or fingers. This provides a vibration resistant locking action whilst remaining usable in small and tricky areas suffering from space restrictions.

Pal Nuts or Counter Nuts are manufactured as standard in Steel Galvanised, Steel Zinc, Self Colour and A2 or A4 Stainless Steel, with other materials also available.

Sizes range from M4 to M80 as standard, with specials available to order.

Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and custom parts made to drawings.Pal Nuts or Counter Nuts

Metric Technical Data
Thread Diameter d (mm) e (mm) s (mm) t (mm) m (mm)
M4 3.5 8.1 7.0 0.3 2.5
M5 4.5 9.2 8.0 0.4 2.5
M6 5.3 11.5 10.0 0.4 3.0
M8 6.9 15.0 13.0 0.5 3.5
M10 8.6 19.6 17.0 0.5 4.0
M12 10.4 21.9 19.0 0.6 4.5
M14 12.0 25.4 22.0 0.6 5.0
M16 14.1 27.7 24.0 0.7 5.0
M18 15.5 31.2 27.0 0.7 5.5
M20 17.6 34.6 30.0 0.8 6.0
M22 19.6 36.9 32.0 0.8 6.0
M24 21.0 41.6 36.0 0.9 7.0
M27 24.2 47.3 41.0 1.0 7.0
M30 26.6 53.1 46.0 1.1 8.0
M33 29.8 57.7 50.0 1.2 8.0
M36 32.2 63.5 55.0 1.3 9.0
M39 35.2 69.3 60.0 1.3 9.0
M42 37.6 75.0 65.0 1.4 11.0
M45 40.9 80.8 70.0 1.5 12.0
M48 43.9 86.5 75.0 1.6 14.0
M52 48.2 92.4 80.0 1.7 16.0
M56 51.2 97.0 85.0 2.0 16.0
M60 55.2 90.0 2.0 16.0
M64 58.3 107.05 95.0 2.0 16.0
M68 62.3 113.68 100.0 2.0 16.0
M72 66.3 120.20 106.0 2.0 16.0
M76 70.5 131.50 116.0 2.0 18.0
M80 74.5 145.25 128.0 2.0 20.0

 

Metric Available Sizes & Materials
Thread Diameter Galvanised Zinc Self Colour A2 Stainless Steel A4 Stainless Steel
M4 On Request On Request On Request
M5 On Request On Request
M6 On Request
M8 On Request
M10
M12
M14 On Request On Request
M16
M18 On Request On Request
M20
M22 On Request On Request On Request
M24
M27 On Request
M28 On Request On Request On Request On Request
M30 On Request
M33 On Request On Request On Request
M36 On Request On Request
M39 On Request On Request On Request
M42 On Request
M45 On Request On Request On Request On Request
M48 On Request On Request
M52 On Request On Request On Request On Request
M56 On Request On Request On Request On Request
M60 On Request On Request On Request On Request
M64 On Request On Request On Request On Request
M68 On Request On Request On Request On Request
M72 On Request On Request On Request On Request
M78 On Request On Request On Request On Request
M80 On Request On Request On Request On Request
black icon image = Available
Size not listed? Please make an enquiry – we may be able to provide it.

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