BS 4A 112:1992+A1:2018

This standard BS 4A 112:1992+A1:2018 Aerospace series. Specification for shear bolts, hexagonal heads (Unified threads) in cadmium-plated steel (Classification Rm = 880-1080 MPa) is classified in these ICS categories:

• 49.030.20 Bolts, screws, studs

This British Standard specifies materials, dimensions, finish and inspection requirements for steel shear bolts with Unified hexagons and Unified threads and with close tolerance shanks, cadmium plated, to be suitable for insertion in aluminium alloy materials for aerospace use.

NOTE The latest revision of an Aerospace Series standard is indicated by a prefix number.