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Product description: Set: hexagon head screw with collar K1492 + Hygienic USIT® seal and shim washer K1491. Only the combination of a hexagon head screw with collar and the Hygienic USIT® seal and shim washer assures a cavity-free seal. The hexagon head screw with collar for Hygienic USIT® seal and shim washers is ideal for fastening in sterile areas and also conforms to EHEDG regulations, which is confirmed with the relevant certificate. Material: Hexagon head screw: stainless steel 1.4404. Washer: stainless steel 1.4404. Seal ring: 70 EPDM 291 (black). 70 EPDM 253815 (white). 75 Fluoroprene® XP 45 (blue). Version: Hexagon head screw: polished Note: The EHEDG certificate is only valid when a combination of hexagon head screw with collar K1492 and specially matched Hygienic USIT® seal and shim washer K1491 is used. Attention: The function of the Hygienic USIT® screw connection system has been tested in combination with stainless steel materials and standard cleaning materials. The user must check that it is suitable for the application in question. Suggested Accessories: Cap nut with collar K1493. Sockets with plastic inserts K1361. Ring/open-end spanner with protective caps K1362.
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