Extension springs are found in aircraft landing gear

Ensure tools have no dents or rough cutting surface

Very comfortable to use

Diamond grit for longer life and faster material removal

Featuring a durable construction

GRADE C LOCKNUTS, 3/8-16, NC ZN [100/BOX] Extension springs are found inGRADE C LOCKNUTS, 3 8 16, NC ZN [100 BOX] Insert Lock Nuts in Zinc Plated Grade C Commonly referred to as Lock Nuts, Nuts, or simply Lock Nuts Nylon insert at top of nut prevents accidental loosening from vibration Grade C Steel (Grade 8 Equivalent) designed for use with Grade 8 Bolts & Machine Screws Zinc plating for easy identification, corrosion resistance and durability