Use with heat treated medium strength steel fasteners like astm a325 structural bolts.
Top lock nut grades.
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.
Prevailing torque sae lock nut grade 5 steel 5 16 24 zinc plated 100 pk 59209 pkg qty 100.
Same as grade 5.
Requires the mating part to protrude a minimum of two threads to fully engage the locking element.
Prevailing torque sae lock nut grade 5 steel 3 8 24 zinc plated 100 pk.
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.
Strength is similar to grade 5.
It is designed to ovalize and top lock by wrapping the locking zones from the top to the sides.
Available in coarse and fine threads.
This custom style locknut incorporates two locking zones at the top of the nut.
Grade b7 threaded stud rod.
It is also know as a tech type locknut.
Grade c top lock nuts.
Use with grade 2h and grade c nuts.
Use with astm a325 structural bolts.
Strength exceeds grade 5.
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.