Heavy Jam Nuts - Portland Bolt

Heavy hex jam nuts have the same dimension across the flats as heavy hex nut, but are thinner.

Hardware ASTM A325

The Ultimate Guide to Fastener Materials and Coatings (All You've

ASTM A325 - Portland Bolt

Inconel 625 Fasteners Manufacturer, Inconel 625 Nuts, Inconel 625

7/8-9 Coarse Thread A194 Grade 2H Heavy Hex Nut - USA Medium

Heavy Hex Bolts - Portland Bolt

Grooving Tools - Portland Bolt

Asme B 18.2.2 2015, PDF, Screw

Nuts Selection Guide: Types, Features, Applications

ASTM A563 DH Heavy Hex Nuts - Galvanized Hex Nuts