Spanner Sizes

JAW GAP SPANNER SIZE THREAD DIA. T.P.I.
0.202” 6BA 0.1102” 47.85
0.230” 5BA 0.126” 43.1
0.248” 4BA 0.1417” 38.46
0.312” 5/16AF (8) 0.164” 36
0.315” 8mm
0.320 2BA 0.185” 31.35
0.340” 11/32AF (10)
0.340” 1/8BSW 0.125” 40
0.340” 7/32BSF 0.2188” 28
0.375” 3/8AF 0.190” 32
0.393 10mm 0.2362” 6mm 25.4
0.433” 11mm
0.437” 7/16AF 0.25” 28
0.445” 3/16BSW 0.1875” 3/16” 24
0.445” 1/4BSF  0.25” ¼” 26
0.472” 12mm 0.315” 8mm 20.3
0.5” 1/2AF 0.3125” 5/16” 22
0.525” 1/4BSW 0.25” 20
0.525” 5/16BSF 0.3125” 5/16” 22
0.551” 14mm 0.3937” 10mm 17
0.562” 9/16AF 0.375” 3/8” 24
0.6” 5/16BSW 0.3125” 5/16” 18
0.6” 3/8BSF 0.375” 3/8” 20
0.625” 5/8AF 0.4375” 7/16” 20
0.629” 16mm
0.669” 17mm 0.4724” 12mm 14.5
0.710” 3/8BSW 0.375” 3/8” 16
0.710” 7/16BSF 0.4375” 7/16” 18
0.748” 19mm
0.750” 3/4AF 0.5”   ½” 20
0.820” 7/16BSW 0.4375” 7/16” 14
0.820” 1/2BSF 0.5”  ½” 16
0.920” 1/2BSW 0.5”  ½” 12
0.920” 9/16BSF 0.5625” 9/16” 16
0.937” 15/16AF 0.625” 5/8” 18
0.944” 24mm
1.01” 9/16BSW 0.5625” 9/16” 12
1.01” 5/8BSF 0.625” 5/8” 14
1.062” 1 1/16AF 0.6875” 11/16”
1.062” 27mm
1.1” 5/8BSW 0.625” 5/8” 11
1.1” 11/16BSF 0.6875” 11/16” 14
1.125” 1 1/8AF 0.75” ¾” 16
1.2” 11/16BSW 0.6875” 11/16” 11
1.2” 3/4BSF 0.75”  ¾” 12
1.3” 3/4BSW 0.75”  ¾” 10
1.3” 7/8BSF 0.875” 7/8” 11
1.312” 1 5/16AF 0.875” 7/8” 14
1.48” 7/8BSW 0.875” 7/8” 9
1.48” 1BSF 1.0”    1” 10
1.5” 1 1/2AF 1.0      1” 14
1.574” 40mm
1.574” 15/16BSW 0.9375”  15/16” 9
1.67” 1BSW 1.0   1” 8
1.67” 1 1/8BSF 1.125”  1 1/8” 9
1.811” 46mm
1.812” 1 13/16AF
1.86” 1 1/8BSW 1.125”  1 1/8” 7
1.86” 1 1/4BSF 1.250”  1 ¼” 9
2.05” 1 1/4BSW 1.250”  1 ¼” 7
2.05” 1 3/8BSF 1.375” 1 3/8” 8

Brian Jackson