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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Round Head Bolts > Round Head Fin Neck Bolts > Item # RHFNB03125XXX  
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Item # RHFNB03125XXX, Round Head Fin Neck Bolt, with 0.324" Body Dia.



  • Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
  • The minimum radius is one half of the value shown.





Manufacturer  · Specifications  · Codes and Standards

Manufacturer

Manufacturer

Industrial Fasteners Institute


Specifications

Product

Round Head Bolts

Unit of Measure

English

Nominal Size or Basic Bolt Dia.

5/16 in

Nominal Size or Basic Bolt Dia. (Decimal)

0.3125 in

Max. Body Dia. (E)

0.324 in

Min. Body Dia. (E)

0.298 in

Max. Head Dia. (A)

0.719 in

Min. Head Dia. (A)

0.688 in

Max. Head Height (H)

0.176 in

Min. Head Height (H)

0.156 in

Max. Fin Thickness (M)

0.145 in

Min. Fin Thickness (M)

0.125 in

Max. Distance Across Fins (O)

0.551 in

Min. Distance Across Fins (O)

0.531 in

Max. Fin Depth (P)

0.135 in

Min. Fin Depth (P)

0.125 in

Max. Fillet Radius (R)

0.031 in


Codes and Standards

Codes and Standards

ASME B18.5 1990 (R1998)


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