3 Projection Locking Weld Nut
part diagram
HyperLink PDF Spec Sheet



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Short Pilot Locking Thread
Part Number Thread Size A
Width 		B
Thick. 		Pilot
E
Height 		F
Diameter
HS3L 1420 1/4-20 .500 .187 .040 .406
5/16-18 .562 .218 .040 .469
HS3L 3816 3/8-16 .625 .250 .050 .531
HS3L 1213 1/2-13 .812 .375 .060 .719
Long Pilot Locking Thread
Part Number Thread Size A
Width 		B
Thick. 		Pilot
E
Height 		F
Diameter
HL3L 1420 1/4-20 .500 .187 .085 .406
HL3L 51618 5/16-18 .562 .218 .085 .469
HL3L 3816 3/8-16 .625 .250 .085 .531
HL3L 1213 1/2-13 .812 .375 .085 .719

part image

Three precise weld projections provide positive contact with the weld surface even when slight surface irregularities are present. The prevailing torque locking feature provides a vibration resistant union with the mating part. Available in two pilot heights to accommodate a variety 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