Hex bolt (ANSI/ASME B18.2.1 standard)

# Bolts

# ANSI/ASME

This is a bolt with a hexagonal head, widely used in many fields.

Hex bolts under the ANSI/ASME B18.2.1 standard are specified by the American Society of Mechanical Engineers (ASME), which defines dimensions, materials, and other requirements for hex bolts.

It is an inch-based thread standard originating from the United States, known as Unified threads.

Unified threads are classified into two types:

Coarse thread (UNC – Unified Coarse Thread)
Fine thread (UNF – Unified Fine Thread)

Available Materials

Iron, Stainless Steel

Available Surface Treatments

Trivalent Chromate, Trivalent Black Chromate, Nickel Plating, Electroless Nickel Plating, Chrome Plating, Hot-Dip Galvanizing, Geomet Coating, Black Oxide, Plain