Specification Sheet Part Number: B-M20 Nickel plated brass thread ensures secure connection with brass plated fittings. Metric thread pattern works with metric thread fittings. HelaGuard Metal Locknuts, Metric Thread, 20mm, Nickel Plated Brass, Silver, 10/pkg Article Number 166-50171 Type ALNPB-M20 Color Metal (ML) Quantity Per bag Product Description Locknuts work with metric threaded fittings or knockout entries. Short Description HelaGuard Metal Locknuts, Metric Thread, 20mm, Nickel Plated Brass, Silver, 10/pkg Global Part Name ALNPB-M20-NPB-MLVariant Locknut Thickness T (Imperial) 0.14 Thickness T (Metric) 3.5 Nominal Diameter (Imperial) 0.5 Nominal Diameter (Metric) 21 Material Nickel Plated Brass (NPB) Material Shortcut NPB Halogen Free Yes Operating Temperature -58F to +275F (-50C to +135C) ROHS Compliant Yes Package Quantity (Imperial) 10 Package Quantity (Metric) 10 2021 HellermannTyton. All Rights Reserved. Contact Us RoHS/WEEE Compliance Disclaimer Terms and Conditions