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PROUDLY AUSTRALIAN

BOLT STANDARDS BOLT STANDARDS

UNIFIED HIGH TENSILE HEXAGON BOLTS, SCREWS AND HEXAGON NUTS, INCH SERIES, UNC AND UNF THREADS

TO AUSTRALIAN STANDARD 2465 - 1999 GRADE 5 - GRADE 8 (EQUIVALENT TO DIMENSIONS OF ANSI B18.2.1)

Nom Threads per inch Shank Diameter Head Thickness Across Flats Nut Thickness Diameter UNC UNF Max. Min. Max. Min. Max. Min. Max. Min.

1/4 20 28 0.250 0.245 0.163 0.150 0.438 0.428 0.226 0.212 5/16 18 24 0.3125 0.3065 0.211 0.195 0.500 0.489 0.273 0.258 3/8 16 24 0.375 0.369 0.243 0.226 0.562 0.551 0.337 0.320 7/16 14 20 0.4375 0.4305 0.291 0.272 0.625 0.612 0.385 0.365 1/2 13 20 0.500 0.493 0.323 0.302 0.750 0.736 0.448 0.427 5/8 11 18 0.625 0.617 0.403 0.378 0.938 0.922 0.559 0.535 3/4 10 16 0.750 0.741 0.483 0.455 1.125 1.100 0.665 0.617 7/8 9 14 0.875 0.866 0.563 0.531 1.312 1.285 0.776 0.724 1 8 14 1.000 0.990 0.627 0.591 1.500 1.469 0.887 0.831

METRIC HIGH TENSILE, PRECISION HEXAGON HEAD BOLTS, SCREWS AND HEXAGON NUTS.

ISO METRIC COARSE PITCH SERIES THREADS, CLASS 6g. PROPERTY CLASS 8.8

TO AUSTRALIAN STANDARDS, BOLTS AND SCREWS AS 1110-2000 NUTS AS1112-2000

Nom Pitch of Threads Shank Diameter Width Across Flats Head Thickness Nut Thickness Diameter Coarse Fine Max. Min. Max. Min. Max. Min. Max. Min.

M6 1.00 0.75 6.00 5.82 10.00 9.78 4.15 3.85 5.20 4.90 M8 1.25 1.00 8.00 7.78 13.00 12.73 5.45 5.15 6.80 6.44 M10 1.50 1.25 10.00 9.78 16.00 15.73 6.58 6.22 8.40 8.04 M12 1.75 1.25 12.00 11.73 18.00 17.73 7.68 7.32 10.80 10.37 M14 2.00 1.50 14.00 13.73 21.00 20.67 8.98 8.62 12.80 12.10 M16 2.00 1.50 16.00 15.73 24.00 23.67 10.18 9.82 14.80 14.01 M20 2.50 1.50 20.00 19.67 30.00 29.67 12.715 12.285 18.00* 16.90* M24 3.00 2.00 24.00 23.67 36.00 35.38 15.215 14.785 21.50* 20.20*

*Style 2

Style 2 Nut Thicknesses from AS1112.2-2000

Diameter Nut Thickness

Max. Min.

M20 20.30 19.00 M24 23.90 22.60

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