Top Lock Nuts Specifications

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.

Top lock nuts specifications. Available in american standard and metric. Request information compare items search by specification. They re also known as drake style 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. A top choice when a reusable rugged one piece construction locknut is required. Hex finished jam heavy hi coupling flange wing weld and track nuts. Add to list view in catalog a7 best seller approved supplier.

Add to order add to list add to list view in. 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. 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. Flexible lock nuts have a slotted top section that expands and creates a locking force as it comes into contact with the threads of the mating fastener.

Sort by 1 2 3. All metal and nylon insert lock nuts. 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. 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.

This all metal locknut features three locking elements deflecting the threads in the top of the nut. Available in six deflection pattern. 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. The two main categories of prevailing torque type nuts include.

Two most common lock nut groups. Also available in coupling nut wing nuts weld nuts and track nuts. Available in coarse and fine threads.