Nylon insert locknuts. They're made to all major metric and imperial standards (ISO 7040, IFI 100/107). Available in carbon steel, stainless steel, and exotics. UNJC & UNJF threads are available.
Size Range
Metric: M3-M36
Material
Steel: Class 8 Steel • Class 10 Steel • Class 12 Steel Stainless Steel: A2-70 Stainless Steel • A4-80 Stainless Steel
Also available with Hi-Temp Nylon Insert: 230ºC max.