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Sales Systems Limited Products and Services > Fasteners Reference Guide > Nuts > Structural Bolting [Nuts] > Heavy Hex Jam Nuts > Item # HHJN02500XXX  
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Item # HHJN02500XXX, Heavy Hex Jam Nut, 1/4" Nominal Dia.







Manufacturer  · Specifications  · Codes and Standards  · Runout of Bearing Face, FIM

Manufacturer

Manufacturer

Industrial Fasteners Institute


Specifications

Product

Nuts

Unit of Measure

English

Nominal Size or Basic Major Dia. of Thread

1/4 in

Nominal Size or Basic Major Dia. of Thread (Decimal)

0.2500 in

Basic Width Across Flats (F)

1/2 in

Max. Width Across Flats (F)

0.500 in

Min. Width Across Flats (F)

0.488 in

Max. Width Across Corners (G)

0.577 in

Min. Width Across Corners (G)

0.556 in

Basic Thickness (H1)

11/64 in

Max. Thickness (H1)

0.188 in

Min. Thickness (H1)

0.156 in


Codes and Standards

Codes and Standards

ASME/ANSI B18.2.2 1987 (R 1999)


Runout of Bearing Face, FIM

Max. Runout of Bearing Face, FIM (All Strength Levels)

0.017 in


 DOWNLOADS 

Formulas for Nut Dimensions
(PDF, 296KB)

Wrench Openings for Square and Hex Nuts
(PDF, 244KB)


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