Sales Systems Ltd. - Hex Machine Screw Nuts

Hexagon machine screw nuts shall have tops flat with chamfered corners. Diameter of top circle shall be equal to the maximum width across flats within a tolerance of minus 15 percent. The bearing surface shall be perpendicular to the axis of the threaded hole pitch cylinder within a tolerance of 4 deg.
Bottoms of hexagon machine screw nuts are normally flat, but for special purposes may be chamfered, if so specified by purchaser.
Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.

Unit of Measure

Items	HMSN00600XXX Hex Machine Screw Nut, with 0.180" Width Across Corner	HMSN00730XXX Hex Machine Screw Nut, with 0.180" Width Across Corner	HMSN00860XXX Hex Machine Screw Nut, with 0.217" Width Across Corner	HMSN00990XXX Hex Machine Screw Nut, with 0.217" Width Across Corner	HMSN01120XXX Hex Machine Screw Nut, with 0.289" Width Across Corner
Manufacturer	N/A Industrial Fasteners Institute
Product	N/A Machine Screw Nuts
Codes and Standards	N/A ANSI/ASME B18.6.3 1998
Unit of Measure	N/A English
Nominal Size or Basic Thread Dia.	N/A No. 0	N/A No. 1	N/A No. 2	N/A No. 3	N/A No. 4
Nominal Size or Basic Thread Dia. (Decimal)	N/A 0.0600 in	N/A 0.0730 in	N/A 0.0860 in	N/A 0.0990 in	N/A 0.1120 in
Basic Width Across Flats (F)	N/A 5/32 in	N/A 5/32 in	N/A 3/16 in	N/A 3/16 in	N/A 1/4 in
Max. Width Across Flats (F)	N/A 0.156 in	N/A 0.156 in	N/A 0.188 in	N/A 0.188 in	N/A 0.250 in
Min. Width Across Flats (F)	N/A 0.150 in	N/A 0.150 in	N/A 0.180 in	N/A 0.180 in	N/A 0.241 in
Max. Width Across Corners (G₁)	N/A 0.180 in	N/A 0.180 in	N/A 0.217 in	N/A 0.217 in	N/A 0.289 in
Min. Width Across Corners (G₁)	N/A 0.171 in	N/A 0.171 in	N/A 0.205 in	N/A 0.205 in	N/A 0.275 in
Max. Thickness (H)	N/A 0.050 in	N/A 0.050 in	N/A 0.066 in	N/A 0.066 in	N/A 0.098 in
Min. Thickness (H)	N/A 0.043 in	N/A 0.043 in	N/A 0.057 in	N/A 0.057 in	N/A 0.087 in