4 Projection Weld Nut
part diagram
HyperLink PDF Spec Sheet



CLICK PART NUMBER, FOR 3D CAD MODEL, CHECK PRICES, or PLACE ORDERS
Short Pilot
Part Number Thread Size A
Width
Across Flats		 B
Width Across
Corners		 C
Thickness		 D
Pilot Height		 E
Pilot Dia
Max. Min. Min. Max. Min. +/- .005 +.000 -.007
2004-1 1/4-20 .500 .489 .574 .164 .148 .062 .406
2005-1 1/4-28 .500 .489 .574 .164 .148 .062 .406
2006-1 5/16-18 .562 .551 .624 .195 .179 .062 .469
2007-1 5/16-24 .562 .551 .624 .195 .179 .062 .469
2008-1 3/8-16 .625 .612 .715 .258 .242 .062 .531
2009-1 3/8-24 .625 .612 .715 .258 .242 .062 .531
2010-1 7/16-14 .750 .736 .855 .320 .304 .062 .656
2011-1 7/16-20 .750 .736 .855 .320 .304 .062 .656
2012-1 1/2-13 .812 .788 .918 .383 .367 .062 .719
2013-1 1/2-20 .812 .788 .918 .383 .367 .062 .719
Long Pilot
Part Number Thread Size A
Width
Across Flats		 B
Width Across
Corners		 C
Thickness		 D
Pilot Height		 E
Pilot Dia
Max. Min. Min. Max. Min. +/- .005 +.000 -.007
2004 1/4-20 .500 .489 .574 .133 .117 .094 .406
2005 1/4-28 .500 .489 .574 .133 .117 .094 .406
2006 5/16-18 .562 .551 .624 .195 .179 .094 .469
2006X 5/16-18 .562 .551 .624 .195 .179 .094 .469
2007 5/16-24 .562 .551 .624 .195 .179 .094 .469
2008 3/8-16 .625 .612 .715 .258 .242 .094 .531
2008X 3/8-16 .625 .612 .715 .258 .242 .094 .531
2009 3/8-24 .625 .612 .715 .258 .242 .094 .531
2010 7/16-14 .750 .736 .855 .320 .304 .094 .656
2011 7/16-20 .750 .736 .855 .320 .304 .094 .656
2012 1/2-13 .812 .788 .918 .383 .367 .094 .719
2012X 1/2-13 .812 .788 .918 .383 .367 .094 .719
2013 1/2-20 .812 .788 .918 .383 .367 .094 .719
2016 5/8-11 .880 .861 .999 .445 .429 .094 .781
X Indicates an Import (Subject to a minimum ordering quantity)

part image

Projection Height - F .042/.032 for .062 pilot .052/.043 for .094 pilot

Long a favorite of automotive and farm equipment manufacturers, the square, piloted weld nut has four large weld projections to ensure a strong, reliable weld every time. The countersunk locating pilot guides the mating part into the threaded hole. Available in two pilot heights so it can be welded to a wide range of metal thicknesses.



Material and Thread Information
Material: C1010 High-Welding
Quality, Low Carbon Steel
Finish: Plain, Unless Specified
Threads: Unified Standard Class 2B ASME B 1.1-2003