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  • Square machine screw nuts shall have tops and bottoms flat, without chamfer. The bearing surface shall be perpendicular to the axis of the threaded hole pitch cylinder within a tolerance of 4 deg.
  • Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
Unit of Measure

Manufacturer

Manufacturer

N/A Industrial Fasteners Institute

Specifications

Product

N/A Machine Screw Nuts

Unit of Measure

N/A English

Nominal Size or Basic Thread Dia.

N/A No. 2

Nominal Size or Basic Thread Dia. (Decimal)

N/A 0.0860 in

Basic Width Across Flats (F)

N/A 3/16 in

Max. Width Across Flats (F)

N/A 0.188 in

Min. Width Across Flats (F)

N/A 0.180 in

Max. Width Across Corners (G)

N/A 0.265 in

Min. Width Across Corners (G)

N/A 0.247 in

Max. Thickness (H)

N/A 0.066 in

Min. Thickness (H)

N/A 0.057 in

Codes and Standards

Codes and Standards

N/A ANSI/ASME B18.6.3 1998