- Model No.: 41601
- Thread Size: 1/4"-20
- Hex Size: 1/2"
- Overall Height: 5/16"
- Flange Diameter: 5/8"
- Flange Height: 3/32"
- Includes 10 pieces
When used with Spherical Washers Flange Nuts will equalize thread loads Black Oxide Finish Case Hardened 12L14 Material. Many sizes conform to TCMAI standards