Renold SD 12B Connecting Links Simplex
No. 12: Cranked Link – Slip Fit (BS/DIN)
A single link with cranked plates pressed onto a bush and roller assemble at the narrow end. A clearance fit connecting pin is fitted at the wide and is secured by a split pin.
No. 26 Connecting Link – Slip Fit (BS/DIN)
Used on short pitch chains only. Supplied with two connecting pins riveted into the outer plate, the clearance fit connecting plate being by means of a spring clip – which snaps into the grooves in the pins.
No. 30 Cranked Link Double (BS/DIN)
This unit consists of an inner link, with cranked links retained permanently in position by a riveted bearing pin. Screw operated extractors break chain by forcing the Renold brand end softened bearing pins out of the outer link plates.