RS PRO Ceramic Plain Washers, M4, BS 4320:1968

A high quality and tough M4 washer featuring an internal diameter of 4.5mm, an external diameter of 9mm, and a thickness of 0.9mm, constructed from Alumina Ceramic for excellent wear resistance, corrosion protection, outstanding hardness and strength.;Alumina Ceramic washers offer several advantages over other types of washers. Suitable for operating in temperature extremes and featuring excellent resistance to chemicals along with high mechanical strength the Alumina Ceramic washers are ideal for operations in harsh and challenging environments where regular maintenance isn’t always possible.;Built to comply with British Standards BS 4320:1968 these Alumina washers are ideal for a wide range of environments and are used throughout industry including manufacturing, automotive applications, aerospace and for use with processes where metal washers are not suitable.

Alumina Ceramic Washer

Standards and Approvals: BS 4320:1968

RS PRO is the own brand of RS. The RS PRO Seal of Approval is your assurance of professional quality, a guarantee that every part is rigorously tested, inspected, and audited against demanding standards. Making RS PRO the Smart Choice for our customers.