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OEM Fastening Systems | Special Components & Fastening Systems
The Gripco Grade A Crownlock Nuts are manufactured from low carbon steel to meet Grade 2 performance specifications. These prevailing torque nuts are designed for use with Grade 2 bolts. No markings are required for a Grade A prevailing torque nut.
Unit of Measure

Size

N/A 1/4-20

Class

N/A Grade A

Thickness Min

N/A 0.212 in.

Thickness Max

N/A 0.226 in.

Width Min (Across Flats)

N/A 0.428 in.

Width Max (Across Flats)

N/A 0.438 in.

Carton Quantity

N/A 9000

Weight

N/A 6.7 lbs.
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