The two main categories of prevailing torque type nuts include.
Top lock nuts specifications.
Prevailing torque a design feature of the lock nut produces friction between threads of mated components thereby increasing the force needed to tighten as well as loosen the nut.
2 way reversible lock nuts flex type lock nuts stover lock nuts.
Automation locknuts also known as stover oval lock cone top and unitorque this style is used in high volume assembly operations the cone shaped top allows for automated high speed assembly with fewer temperature limitations.
Stover lock nuts are one piece hex nuts which derive their prevailing torque characteristics from controlled distortion of their top threads from their normal helical form to a more elliptical shape.
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All metal prevailing torque type lock nuts achieve their prevailing torque by altering the shape of the nut in some way most commonly by distorting the threads of the nut which then bites into the mating part when tightened.
A top choice when a reusable rugged one piece construction locknut is required.
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Available in american standard and metric.
Prevailing torque uss lock nut grade c steel 5 8 11 clear zinc 25 pk 57118 pkg qty 25.
They meet ifi standards 100 101 106 107 and 108 and ansi standards b18 16 1m b18 16 2m and b18 16 3m and can be used with higher carbon and alloy steel bolts and studs.
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Top lock nuts grade c designed to maintain clamp load in temperatures up to 450 f the top of these nuts are crimped to create a locking zone.
Two most common lock nut groups.
They re also known as drake style nuts.
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K lock nut k lock nuts resist loosening with external tooth locking washers attached to the underside of the nut which bear into the mating surface.
All metal and nylon insert lock nuts.
These locknuts include a flex top locknut that expands to grip the bolt on all sides and a concave jam nut that clamps the threads onto the bolt for added vibration resistance.
Available in six deflection pattern.
Also available in coupling nut wing nuts weld nuts and track nuts.
This all metal locknut features three locking elements deflecting the threads in the top of the nut.
Available in coarse and fine threads.
