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Useful Spanner Sizes
Inches Millimetres Spanner
0.250 1/4 AF
0.276 7mm 7mm
0.313 5/16 AF
0.315 8mm 8mm
0.344 11/32 AF, 1/8 BSW
0.354 9mm 9mm
0.375 3/8 AF
0.394 10mm 10mm
0.433 11mm 11mm
0.438 7/16 AF
0.445 3/16 BSW, 1/4 AF
0.472 12mm 12mm
0.500 1/2 AF
0.512 13mm 13mm
0.525 1/4 BSW, 5/16 BSF
0.551 14mm 14mm
0.563 9/16 AF
0.591 15mm 15mm
0.600 5/16 BSW, 3/8 BSF
0.625 5/8 AF
0.630 16mm 16mm
0.669 17mm 17mm
0.686 11/16 AF
0.709 18mm 18mm
0.710 3/8 BSW, 7/16 BSF
0.748 19mm 19mm
0.750 3/4 AF
0.787 20mm 20mm
0.813 13/16 AF
0.820 7/16 BSW, 1/2 BSF
0.826 21mm 21mm
0.866 22mm 22mm
0.875 7/8 AF
0.905 23mm 23mm
0.920 1/2 BSW, 9/16 BSF
0.938 15/16 AF
0.945 24mm 24mm
0.984 25mm 25mm
1.000 1in AF
1.010 9/16 BSW, 5/8 BSF
Spanner Size Chart
http://www.classicmotorcycles.org.uk/technical/technical_span...
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1.024 26mm 26mm
1.063 27mm 1 1/16 AF, 27mm
1.100 5/16 BSW, 11/16 BSF
1.125 1 1/8 AF
1.181 30mm 30mm
1.200 11/16 BSW, 3/4 BSF
1.250 1 1/4 AF
1.260 32mm 32mm
1.300 3/4 BSW, 7/8 BSF
1.313 1 5/16 AF
1.390 13/16 BSW, 15/16 BSF
1.417 36mm 36mm
1.418 1 7/16 AF
1.480 7/8 BSW, 1in BSF
1.500 1 1/2 AF
1.575 40mm 15/16 AF, 40mm
Spanner Size Chart
http://www.classicmotorcycles.org.uk/technical/technical_span...
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When you don't think you have the spanner to fit, consult the
table for the bodgers guide to the nextnearest size!
Inchesmm Spanner
0.25 6.35 1/4" AF
0.276 7 7mm
0.313 7.95 5/16" AF
0.315 8 8mm
0.344 8.74 11/32" AF, 1/8" BSW, 3/16 BSF
0.354 9 9mm
0.375 9.53 3/8" AF
0.394 10 10mm
0.433 11 11mm
0.438 11.13 7/16" AF
0.445 11.30 3/16" BSW, 1/4 BSF
0.472 12 12mm
0.5 12.70 1/2" AF
0.512 13 13mm
0.525 6.35 1/4" BSW, and 5/16" BSF
0.551 14 14mm
0.563 14.30 9/16" AF
0.591 15 15mm
0.6 15.24 5/16" BSW, and 3/8" BSF
0.625 15.88 5/8" AF
0.63 16 16mm
0.669 17 17mm
0.686 17.42 11/16" AF
0.709 18 18mm
0.71 18.03 3/8" BSW, and 7/16" BSF
0.748 19 19mm
0.75 19.05 3/4" AF
0.787 20 20mm
0.813 20.65 13/16" AF
0.82 20.83 7/16" BSW, and 1/2" BSF
Vintage Knowledge - Spanner Sizes
Vintage Knowledge - Spanner Sizes
http://www.guy.weatherall.dsl.pipex.com/eng/eng_spanner.htm
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0.826 21 21mm
0.866 22 22mm
0.875 22.23 7/8" AF
0.905 23 23mm
0.92 23.37 1/2" BSW, and 9/16" BSF
0.938 23.83 15/16" AF
0.945 24 24mm
0.984 25 25mm
1 25.40 1" AF
1.01 25.65 9/16" BSW, and 5/8" BSF
1.024 26 26mm
1.063 27 11/16 AF; 27mm
1.1 27.94 5/8" BSW, and 11/16" BSF
1.125 28.58 1 1/8 AF
1.181 30 30mm
1.2 30.48 11/16" BSW, and 3/4" BSF
1.25 31.75 1 1/4" AF
1.26 32 32mm
1.3 33.02 3/4" BSW, and 7/8" BSF
1.313 33.35 1 5/16" AF
1.39 35.31 13/16" BSW; and 15/16" BSF
1.417 36 36mm
1.418 36.02 1 7/16" AF
1.48 37.59 7/8" BSW, and 1" in BSF
1.5 38.10 1 1/2" AF
1.575 40 15/16" AF; and 40mm exactly
1.614 41 41mm
1.625 41.28 1 5/8 AF
1.67 42.42 1" BSW; and 1 1/8" BSF
1.688 42.88 1 11/16" AF
1.811 46 46mm
1.813 46.05 1 13/16" AF
1.86 47.24 1 1/8" BSW; 1 1/4 BSF
1.875 47.63 1 7/8" AF
1.969 50 50mm
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Vintage Knowledge - Spanner Sizes
http://www.guy.weatherall.dsl.pipex.com/eng/eng_spanner.htm
2 of 2 18/11/2011 14:41
Spanner Size ChartSpanner Sizes
