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Stover Nut DIN 980V

The Stover Nut is a hex all-metal prevailing torque self-locking nut, made to DIN 980V standard.

These locknuts are vibration resistant self-locking nuts, which are resistant to shocks, vibration and dynamic loads – and they can be reused a number of times.

The locking function is achieved by the deformation of part of the nut. The nut will run smoothly until it reaches the deformed part, after which the clamping force will increase.

The Stover Nut is typically manufactured as standard in Steel Grades 8, 10 and 12.

Available from Fastenright as standard in metric sizes ranging from M4 onwards, with various finishes and pitches 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.

Stover Nut Dim Technical Drawing

Technical Data & Available Sizes
Thread
Diameter
s
(mm)
h
(mm)
m
(mm)
Standard Pitch
(mm)
Fine Pitch
(mm)
Extra Fine Pitch
(mm)
M4 7 4 2.5 0.7
M5 8 5 3.5 0.8
M6 10 6 4.5 1.0
M8 13 8 6.0 1.25 1.0
M10 17 10 7.5 1.5 1.25 1.0
M12 19 12 8.5 1.75 1.5 1.25
M14 22 14 11.5 2.0 1.5
M16 24 16 12.5 2.0 1.5
M18 27 18 14.0 2.5 2.0 1.5
M20 30 20 15.4 2.5 2.0 1.5
M22 32 22 16.9 2.5 2.0 1.5
M24 36 24 18.5 3.0 2.0 1.5
M27 41 27 20.8 3.0 2.0 1.5
M30 46 30 23.1 3.5 2.0 1.5
M33 50 3 25.4 3.5 2.0 1.5
M36 55 36 27.2 4.0 2.0 1.5
Size not listed? Please enquire – we may be able to provide it.

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