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 1-1/4 in

Nominal Size or Basic Shoulder Diameter (Decimal)

N/A 1.2500 in

Max. Shoulder Diameter (D)

N/A 1.2480 in

Min. Shoulder Diameter (D)

N/A 1.2460 in

Max. Head Diameter (A)

N/A 1.750 in

Min. Head Diameter (A)

N/A 1.723 in

Max. Head Height (H)

N/A 0.750 in

Min. Head Height (H)

N/A 0.735 in

Max. Chamfer or Radius (C)

N/A 0.102 in

Nom. Hexagon Socket Size (J)

N/A 5/8 in

Nom. Hexagon Socket Size Decimal (J)

N/A 0.625 in

Min. Key Engagement (T)

N/A 0.469 in

Max. Fillet Transition Diameter (M)

N/A 1.368 in

Min. Head Fillet Radius (R)

N/A 0.050 in

Min. Shoulder Neck Diameter (K)

N/A 1.227 in

Max. Shoulder Neck Width (F)

N/A 0.125 in

Nominal Thread Size or Basic Thread Diameter (D1)

N/A 7/8 in

Nominal Thread Size or Basic Thread Diameter Decimal (D1)

N/A 0.8750 in

Threads Per Inch

N/A 9

Max. Thread Neck Diameter (G)

N/A 0.750 in

Min. Thread Neck Diameter (G)

N/A 0.726 in

Max. Thread Neck Width (I)

N/A 0.222 in

Max. Thread Neck Fillet (N)

N/A 0.062 in

Min. Thread Neck Fillet (N)

N/A 0.056 in

Basic Thread Length (E)

N/A 1.125 in

Max. Chamfer or Radius (P)

N/A 0.020 in

Codes and Standards

Codes and Standards

N/A ASME B18.3 2002
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