Formerly Emhart Teknologies & Infastech

Crownlock Torque Nuts

Gripco Crownlock Torque Nuts

Gripco crownlock torque nuts meet or exceed all current  I.F.I. specifications. Parts can be supplied with a mutitude of finishes or customer specific coatings.

Class 10 Metric Crownlock Nuts
Gripco Class 10 metric crownlock nuts are manufactured from medium-carbon steel and heat-treated to meet Class 10 performance specifications. These prevailing torque nuts are designed for use with Class 10.9 bolts.

Class 9 Metric Crownlock Nuts
Gripco Class 9 metric crownlock nuts are manufactured from low-carbon steel to meet Class 9 performance specifications.  These prevailing torque nuts are designed for use with Class 9.8 bolts.

Grade C Crownlock Nuts
Gripco Grade C crownlock nuts are manufactured from medium-carbon steel and heat-treated to meet Grade 8 perfomance specifications. These prevailing torque nuts are designed for high-strength applications for use with Grade 8 bolts.

Grade A Crownlock Nuts
Gripco Grade A crownlock nuts are manufactured from low-carbon steel and processed to meet Grade 2 perfomance specifications. These prevailing torque nuts are designed for high-strength applications for use with Grade 2 bolts.