Agents for Companies Hirschmann - Bearings & Axial Shaft Seals. Agents for Products Hirschmann - Bearings & Axial Shaft Seals. Mantek supply precision seals and gaskets worldwide from our UK sales and production sites in Aldershot and Warrington. Mantek stock precision O-rings conforming to international standards: BS1806,BS4518,AS568A,DIN 3770,SMS1586,JIS B2401 and ISO 3601, also non-standard O-ring sizes including miniature and micro. We are a leading supplier of high quality vulcanized joined O-rings. Mantek's standard materials include Nitrile,Viton®,Silicone,EPDM,Neoprene®,Carboxylated Nitrile,Hydrogenated Nitrile,Fluorosilicone,EPDM,Polyurethane,PTFE. For hostile environments we offer: Teflon(FEP or PFA) encapsulated O-rings,Aflas®, Kalrez®,Isolast® or Chemraz®. Our capabilities include in house manufacture of press cut gaskets,lathe cut washers,bespoke moulded parts & extruded profiles. We stock Neoprene®,Nitrile,EPDM,Natural,Silicone and Viton® sheeting and can supply rubber strip on short lead times. Mantek is the UK distributor of Hirschmann Rod ends, Spherical bearings & Axial Shaft seals.