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: 1-1/2 Thread: 8UN 8 TPI Thread direction: Right Hand Width across flats: 2.175–2.25 in Width across corners: 2.48–2.598 in Nut height: 1.245–1.317 in Material specification: ASTM A563/A563M Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 434.673 g/pc
ASME B18.2.2 Hex Nut — ASTM A563 Grade A Nominal size: 1-1/4 Thread: 8UN 8 TPI Thread direction: Right Hand Width across flats: 1.812–1.875 in Width across corners: 2.066–2.165 in Nut height: 1.03–1.094 in Material specification: ASTM A563/A563M Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 255.324 g/pc
ASME B18.2.2 Hex Nut — ASTM A563 Grade A Nominal size: 1-1/8 Thread: 8UN 8 TPI Thread direction: Right Hand Width across flats: 1.631–1.688 in Width across corners: 1.859–1.949 in Nut height: 0.939–0.999 in Material specification: ASTM A563/A563M Material: Carbon Steel Finish: Hot Dip Galvanized Estimated mass: 191.329 g/pc
