21MM Key Clamp Fittings

These 21MM Key Clamp Fittings are designed to fit 21.3MM OD tube (1/2″ Nominal Bore). We would recommend 1/2″ Galvanised Nominal Bore tube which is the industry standard to use with these fittings. Any tube within approximately 20MM-22MM range in most solid material. If you are unsure about which key clamp fittings or tube to use for your application please contact us on 0121 318 1743

Technical information:

Material: Main body – malleable iron, screw – ductile iron

Hot dipped galvanised to BS EN ISO 1461:1999

Standard: BS EN 1562:1997, grub screw to BS EN 1563:1997

Best Suited for use with steel tube to BS EN 10255 and BS1387