1137337 FASTENAL 1/4"-20 ZINC, CASE HARDENED SERRATED FLANGE NUT
A lock washer is not needed with serrated flange nuts. Nuts grip better, hold longer, require more torque to remove than to install. The flange covers oversized holes and distributes the load over a greater area. ASME B18.16.4. ANSI B1.1 UNC and UNF Class 2B thread requirement. Zinc plating, retards the corrosion rate in a normal atmosphere.
- System of Measurement Imperial (Inch)
- Material Steel
- Dia/Thread Size 1/4"-20
- Type Serrated Flange Nut
- Finish Zinc
- Grade Case Hardened
- Thickness 0.236"
- Wrench Size 7/16"
- Thread Coarse
SKU: #9TB0021-2