Self Locking Nut (THU) - 1-3/8"-6

1-3/8"-6 self locking nut is full-height, heavy hex industrial locknut. Locking slots are concentrated on a single plane. The THU maintains superior resistance to vibration, corrosion, and temperature in a robust industrial design. Grade 8 alloy steel. Shop IRS’ railroad switch keys and locks for sale for any additional needs.

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