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IS EN 20273:1992 Fasteners. Clearance holes for bolts and screws (ISO 273:1979)

Publication Year

1992

Document Status

Current

Abstract

Specifies clearance hole diameters for general purpose applications. These values result from bearing area calculations in connection with ISO bolt and nut product standards.

Publisher Information

National Standards Authority of Ireland

National Standards Authority of Ireland (NSAI) is Ireland’s official standards body. They operate under the National Standards Authority of Ireland Act (1996) and are accountable to the Minister of Enterprise, Trade, Employment and Innovation.

1 Swift Square
Northwood
Santry
Dublin 9
NSAI
Ireland

Website: http://www.nsai.ie
Email: nsai@nsai.ie
Tel: 01 807 3800