ASME B18.2.2 hex nuts in this controlled TT BOLT catalog are inch-series regular hex nuts from Table 1.1.1-5. The catalog covers 14 nominal sizes from 1/4 in through 1-1/2 in and 56 controlled grade-and-finish variants.
ASME B18.2.2 hex nut selection guide
Use diameter, UNC or 8UN thread, ASTM A563 Grade A or B and finish to select the required product. Every product page provides the dimensional limits and theoretical mass for that exact variant. Jam, heavy hex, square, flange, coupling and machine-screw nuts are separate product forms and are not mixed into this category.
ASME B18.2.2 Hex Nut — ASTM A563 Grade A Nominal size: 7/8 Thread: UNC 9 TPI Thread direction: Right Hand Width across flats: 1.269–1.312 in Width across corners: 1.447–1.516 in Nut height: 0.724–0.776 in Material specification: ASTM A563/A563M Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 91.188 g/pc
ASME B18.2.2 Hex Nut — ASTM A563 Grade A Nominal size: 9/16 Thread: UNC 12 TPI Thread direction: Right Hand Width across flats: 0.861–0.875 in Width across corners: 0.982–1.01 in Nut height: 0.473–0.496 in Material specification: ASTM A563/A563M Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 28.26 g/pc
