The Fabricators Choice Since 1970

Thru the Hole

This Flanged Weld Nut is self-locating and features three precision weld projections located on the underside of the head. The self-locating feature enables positive positioning of the weld nut to assist in the welding operation. The nut has a long body, making it an ideal choice for those applications that require heavier welds. These industrial fasteners are available from Monroe-JHP Fasteners in a variety of dimensions and thread sizes (inch and metric).


Typical properties of the Flanged Weld Nut:


  • C1010 High-Welding Quality, Low Carbon Steel (plain finish unless otherwise specified)
  • Austenitic Stainless Steel (passivated finish)


  • Inch: Unified Standard Class 2B ASME B 1.1-2003
  • Metric: ASME B 1.13M-2005

Available thread sizes:

  • Inch Metric
    • #6-32 M3.5 x 0.6
    • #8-32 M4 x 0.7
    • #10-24 M5 x 0.8
    • #10-32 M6 x 1.0
    • 1/4-20 M8 x 1.25
    • 5/16-18 M10 x 1.5
    • 3/8-16

Note: A variety of dimensional characteristics also available.

Application notes:

This weld nuts self-location feature enables positive positioning of the nut into its designated hole location for the welding process. Three spherical weld projections on the underside of the head allow the body of the nut to be inserted through a hole in the mating component. When properly seated, this Flanged Weld Nut provides a flush surface for the attachment of a mated component.

For applications that require a heavier weld, the flanged weld nut is an excellent choice. Its robust design incorporates several elements that help ensure that resulting welds meet the requirements of the most demanding applications. It is available in a variety of materials and dimensions to cover virtually any specific application requirement.

Monroe-JHP Fasteners offers expert consultation on the use of these types of industrial fasteners. If you have technical questions, we have the expertise necessary to provide you with the appropriate answers. That is just one example of the way in which we add tangible value to your buying experience.

Contact us for any industrial fastener requirement you may have. We will work hard to win, and retain, your business!