Unit of Measure

Manufacturer

Manufacturer

N/A Industrial Fasteners Institute

Specifications

Product

N/A Socket Screws

Unit of Measure

N/A English

Nominal Size or Basic Shoulder Diameter

N/A 5/8 in

Nominal Size or Basic Shoulder Diameter (Decimal)

N/A 0.6250 in

Max. Shoulder Diameter (D)

N/A 0.6230 in

Min. Shoulder Diameter (D)

N/A 0.6210 in

Max. Head Diameter (A)

N/A 0.875 in

Min. Head Diameter (A)

N/A 0.853 in

Max. Head Height (H)

N/A 0.375 in

Min. Head Height (H)

N/A 0.365 in

Max. Chamfer or Radius (C)

N/A 0.050 in

Nom. Hexagon Socket Size (J)

N/A 5/16 in

Nom. Hexagon Socket Size Decimal (J)

N/A 0.312 in

Min. Key Engagement (T)

N/A 0.234 in

Max. Fillet Transition Diameter (M)

N/A 0.687 in

Min. Head Fillet Radius (R)

N/A 0.024 in

Min. Shoulder Neck Diameter (K)

N/A 0.602 in

Max. Shoulder Neck Width (F)

N/A 0.093 in

Nominal Thread Size or Basic Thread Diameter (D1)

N/A 1/2 in

Nominal Thread Size or Basic Thread Diameter Decimal (D1)

N/A 0.5000 in

Threads Per Inch

N/A 13

Max. Thread Neck Diameter (G)

N/A 0.414 in

Min. Thread Neck Diameter (G)

N/A 0.397 in

Max. Thread Neck Width (I)

N/A 0.154 in

Max. Thread Neck Fillet (N)

N/A 0.042 in

Min. Thread Neck Fillet (N)

N/A 0.036 in

Basic Thread Length (E)

N/A 0.750 in

Max. Chamfer or Radius (P)

N/A 0.015 in

Codes and Standards

Codes and Standards

N/A ASME B18.3 2002
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