BS 3551 1962 Edition, October 22, 1962
Specification for Alloy Steel Shackles
Includes all amendments and changes through Reaffirmation Notice , October 1, 2012
Additional Comments: INCLUDE AMENDMENT 1
Published By:British Standards Institution (BSI)
Shackles similar to BS 3032, but using alloy steel twice as strong as mild steel and one and a half times as strong as higher tensile steel. Dee and bow shackles with four types of pin. Material, dimensions, heat treatment, workmanship, finish, screw threads, proof loading, marking, certification. Design for special (or unscheduled) shackles with different dimensions. Safe working loads 1 ton 2 cwt to 80 tons. Information with enquiry and order, notes on design, recommendations for contracts.