BS SP 142-143:1973+A3:2013 Specification for solid rivets with 100° countersunk truncated radiused head made from BS L 86 (SP 142) and BS L 37 (SP 143) materials
1973BS SP 142-143:1973+A3:2013 Specification for solid rivets with 100° countersunk truncated radiused head made from BS L 86 (SP 142) and BS L 37 (SP 143) materials