U.K. made, high Quality Graded Hardened Chrome Steel Ball bearings made from Chromium AISI 52100 steel.
Hardened to 60-67 Rockwell Scale equivalent to 700-900 HV (Vickers Scale) and are hardened all the way through the ball.
These are the same hardened steel balls used to manufacture bearing assemblies and have a high duty and life cycle.
These balls are hardened all the way through, not just the outside. BEWARE of other similar looking products that are case hardened ie: only the outer skin is hard.
Price: 65p EACH
Price includes VAT @ 20%