Top Lock Nut Grades

Same as grade 5.

Top lock nut grades.

Requires the mating part to protrude a minimum of two threads to fully engage the locking element. Use with astm a325 structural bolts. Prevailing torque sae lock nut grade 5 steel 5 16 24 zinc plated 100 pk 59209 pkg qty 100. 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.

Grade c top lock nuts. This custom style locknut incorporates two locking zones at the top of the nut. Add to order add to list add to list view in catalog a11 approved supplier. 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.

Strength exceeds grade 5. Nylon insert lock nut flanged 13 nylon insert lock nut with cap 10 reversible lock nut 22 safety wheel lock nut 6 self locking flange nut 20 self locking flange nut serrated 66 self threading lock nut 12 serrated lock nut 26 tooth washer lock nut 55 top lock 364 top lock flange nut 48 top lock jam nut 91 wedge lock. A perforated block of steel possessing an internal or female thread intended for use on an external or male thread such as a bolt it also possesses a slight disfigured top which keeps pressure on the inserted bolt to give greater resistance to loosening. Use with grade 2h and grade c nuts.

It is designed to ovalize and top lock by wrapping the locking zones from the top to the sides. Strength is similar to grade 8. Available in coarse and fine threads. Use with heat treated medium strength steel fasteners like astm a325 structural bolts.

Prevailing torque sae lock nut grade 5 steel 3 8 24 zinc plated 100 pk.