Heavy Hex Nuts
- Six-sided internally threaded fastener
- Wider and thicker than a standard sized finished hex nut
- Additional thread length results in the strongest hex nut design
- Stocked in A194 2H and A563 DH
- A194 2H heavy hex nuts are used with bolts in high-pressure and high-temperature service
- A563 DH heavy hex nuts are recommended for use with A490 Structural Bolts
- Available in plain, zinc, zinc yellow, and hot-dip galvanized platings
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