BS1806 O-Ring Sizes

BS1806 SizeInternal Diameter (mm)Cross Section (mm)Internal Diameter (inch)Cross Section (inch)Nom. Shaft Diameter (inch)Nom. Bore Diameter (inch)Nom. Groove Cross Section (inch)
BS1806-001 0.74 1.02 0.029 0.040
BS1806-002 1.07 1.27 0.042 0.050
BS1806-003 1.42 1.52 0.056 0.060
BS1806-004 1.78 1.78 0.070 0.070 5/64 13/64 1/16
BS1806-005 2.57 1.78 0.101 0.070 7/64 15/64 1/16
BS1806-006 2.9 1.78 0.114 0.070 1/8 1/4 1/16
BS1806-007 3.69 1.78 0.145 0.070 5/32 9/32 1/16
BS1806-008 4.47 1.78 0.176 0.070 3/16 5/16 1/16
BS1806-009 5.28 1.78 0.208 0.070 7/32 11/32 1/16
BS1806-010 6.07 1.78 0.239 0.070 1/4 3/8 1/16
BS1806-011 7.65 1.78 0.301 0.070 5/16 7/16 1/16
BS1806-012 9.25 1.78 0.364 0.070 3/8 1/2 1/16
BS1806-013 10.82 1.78 0.426 0.070 7/16 9/16 1/16
BS1806-014 12.42 1.78 0.489 0.070 1/2 5/8 1/16
BS1806-015 14 1.78 0.551 0.070 9/16 11/16 1/16
BS1806-016 15.6 1.78 0.614 0.070 5/8 3/4 1/16
BS1806-017 17.16 1.78 0.676 0.070 11/16 13/16 1/16
BS1806-018 18.77 1.78 0.739 0.070 3/4 7/8 1/16
BS1806-019 20.35 1.78 0.801 0.070 13/16 15/16 1/16
BS1806-020 21.95 1.78 0.864 0.070 7/8 1 1/16
BS1806-021 23.52 1.78 0.926 0.070 15/16 1 1/16 1/16
BS1806-022 25.12 1.78 0.989 0.070 1 1 1/8 1/16
BS1806-023 26.7 1.78 1.051 0.070 1 1/16 1 3/16 1/16
BS1806-024 28.3 1.78 1.114 0.070 1 1/8 1 1/4 1/16
BS1806-025 29.87 1.78 1.176 0.070 1 3/16 1 5/16 1/16
BS1806-026 31.47 1.78 1.239 0.070 1 1/4 1 3/8 1/16
BS1806-027 33.05 1.78 1.301 0.070 1 5/16 1 7/16 1/16
BS1806-028 34.65 1.78 1.364 0.070 1 3/8 1 1/2 1/16
BS1806-029 37.82 1.78 1.489 0.070 1 1/2 1 5/8 1/16
BS1806-030 41 1.78 1.614 0.070 1 5/8 1 3/4 1/16
BS1806-031 44.17 1.78 1.739 0.070 1 3/4 1 7/8 1/16
BS1806-032 47.35 1.78 1.864 0.070 1 7/8 2 1/16
BS1806-033 50.52 1.78 1.989 0.070 2 2 1/8 1/16
BS1806-034 53.7 1.78 2.114 0.070 2 1/8 2 1/4 1/16
BS1806-035 56.87 1.78 2.239 0.070 2 1/4 2 3/8 1/16
BS1806-036 60.04 1.78 2.364 0.070 2 3/8 2 1/2 1/16
BS1806-037 63.22 1.78 2.489 0.070 2 1/2 2 5/8 1/16
BS1806-038 66.4 1.78 2.614 0.070 2 5/8 2 3/4 1/16
BS1806-039 69.57 1.78 2.739 0.070 2 3/4 2 7/8 1/16
BS1806-040 72.75 1.78 2.864 0.070 2 7/8 3 1/16
BS1806-041 75.92 1.78 2.989 0.070 3 3 1/8 1/16
BS1806-042 82.27 1.78 3.239 0.070 3 1/4 3 3/8 1/16
BS1806-043 88.62 1.78 3.489 0.070 3 1/2 3 5/8 1/16
BS1806-044 94.97 1.78 3.739 0.070 3 3/4 3 7/8 1/16
BS1806-045 101.32 1.78 3.989 0.070 4 4 1/8 1/16
BS1806-046 107.67 1.78 4.239 0.070 4 1/4 4 3/8 1/16
BS1806-047 114.02 1.78 4.489 0.070 4 1/2 4 5/8 1/16
BS1806-048 120.37 1.78 4.739 0.070 4 3/4 4 7/8 1/16
BS1806-049 126.72 1.78 4.989 0.070 5 5 1/8 1/16
BS1806-050 133.07 1.78 5.239 0.070 5 1/4 5 3/8 1/16
BS1806-102 1.24 2.62 0.049 0.103 1/16 1/4 3/32
BS1806-103 2.06 2.62 0.081 0.103 3/32 9/32 3/32
BS1806-104 2.84 2.62 0.112 0.103 1/8 5/16 3/32
BS1806-105 3.63 2.62 0.143 0.103 5/32 11/32 3/32
BS1806-106 4.42 2.62 0.174 0.103 3/16 3/8 3/32
BS1806-107 5.23 2.62 0.206 0.103 7/32 13/32 3/32
BS1806-108 6.02 2.62 0.237 0.103 1/4 7/16 3/32
BS1806-109 7.59 2.62 0.299 0.103 5/16 1/2 3/32
BS1806-110 9.19 2.62 0.362 0.103 3/8 9/16 3/32
BS1806-111 10.77 2.62 0.424 0.103 7/16 5/8 3/32
BS1806-112 12.37 2.62 0.487 0.103 1/2 11/16 3/32
BS1806-113 13.94 2.62 0.549 0.103 9/16 3/4 3/32
BS1806-114 15.54 2.62 0.612 0.103 5/8 13/16 3/32
BS1806-115 17.12 2.62 0.674 0.103 11/16 7/8 3/32
BS1806-116 18.72 2.62 0.737 0.103 3/4 15/16 3/32
BS1806-117 20.29 2.62 0.799 0.103 13/16 1 3/32
BS1806-118 21.89 2.62 0.862 0.103 7/8 1 1/16 3/32
BS1806-119 23.47 2.62 0.924 0.103 15/16 1 1/8 3/32
BS1806-120 25.07 2.62 0.987 0.103 1 1 3/16 3/32
BS1806-121 26.64 2.62 1.049 0.103 1 1/16 1 1/4 3/32
BS1806-122 28.24 2.62 1.112 0.103 1 1/8 1 5/16 3/32
BS1806-123 29.82 2.62 1.174 0.103 1 3/16 1 3/8 3/32
BS1806-124 31.42 2.62 1.237 0.103 1 1/4 1 7/16 3/32
BS1806-125 32.99 2.62 1.299 0.103 1 5/16 1 1/2 3/32
BS1806-126 34.59 2.62 1.362 0.103 1 3/8 1 9/16 3/32
BS1806-127 36.17 2.62 1.424 0.103 1 7/16 1 5/8 3/32
BS1806-128 37.77 2.62 1.487 0.103 1 1/2 1 11/16 3/32
BS1806-129 39.34 2.62 1.549 0.103 1 9/16 1 3/4 3/32
BS1806-130 40.94 2.62 1.612 0.103 1 5/8 1 13/16 3/32
BS1806-131 42.52 2.62 1.674 0.103 1 11/16 1 7/8 3/32
BS1806-132 44.12 2.62 1.737 0.103 1 3/4 1 15/16 3/32
BS1806-133 45.69 2.62 1.799 0.103 1 13/16 2 3/32
BS1806-134 47.29 2.62 1.862 0.103 1 7/8 2 1/16 3/32
BS1806-135 48.9 2.62 1.925 0.103 1 15/16 2 1/8 3/32
BS1806-136 50.47 2.62 1.987 0.103 2 2 3/16 3/32
BS1806-137 52.07 2.62 2.050 0.103 2 1/16 2 1/4 3/32
BS1806-138 53.64 2.62 2.112 0.103 2 1/8 2 5/16 3/32
BS1806-139 55.25 2.62 2.175 0.103 2 3/16 2 3/8 3/32
BS1806-140 56.82 2.62 2.237 0.103 2 1/4 2 7/16 3/32
BS1806-141 58.42 2.62 2.300 0.103 2 5/16 2 1/2 3/32
BS1806-142 59.99 2.62 2.362 0.103 2 3/8 2 9/16 3/32
BS1806-143 61.6 2.62 2.425 0.103 2 7/16 2 5/8 3/32
BS1806-144 63.17 2.62 2.487 0.103 2 1/2 2 11/16 3/32
BS1806-145 64.77 2.62 2.550 0.103 2 9/16 2 3/4 3/32
BS1806-146 66.34 2.62 2.612 0.103 2 5/8 2 15/16 5/32
BS1806-147 67.95 2.62 2.675 0.103 2 11/16 2 7/8 3/32
BS1806-148 69.52 2.62 2.737 0.103 2 3/4 2 15/16 3/32
BS1806-149 71.12 2.62 2.800 0.103 2 13/16 3 3/32
BS1806-150 72.69 2.62 2.862 0.103 2 7/8 3 1/16 3/32
BS1806-151 75.87 2.62 2.987 0.103 3 3 3/16 3/32
BS1806-152 82.22 2.62 3.237 0.103 3 1/4 3 7/16 3/32
BS1806-153 88.57 2.62 3.487 0.103 3 1/2 3 11/16 3/32
BS1806-154 94.92 2.62 3.737 0.103 3 3/4 3 15/16 3/32
BS1806-155 101.27 2.62 3.987 0.103 4 4 3/16 3/32
BS1806-156 107.62 2.62 4.237 0.103 4 1/4 4 7/16 3/32
BS1806-157 113.97 2.62 4.487 0.103 4 1/2 4 11/16 3/32
BS1806-158 120.32 2.62 4.737 0.103 4 3/4 4 15/16 3/32
BS1806-159 126.67 2.62 4.987 0.103 5 5 3/16 3/32
BS1806-160 133.02 2.62 5.237 0.103 5 1/4 5 7/16 3/32
BS1806-161 139.37 2.62 5.487 0.103 5 1/2 5 11/16 3/32
BS1806-162 145.72 2.62 5.737 0.103 5 3/4 5 15/16 3/32
BS1806-163 152.07 2.62 5.987 0.103 6 6 3/16 3/32
BS1806-164 158.42 2.62 6.237 0.103 6 1/4 6 7/16 3/32
BS1806-165 164.77 2.62 6.487 0.103 6 1/2 6 11/16 3/32
BS1806-166 171.12 2.62 6.737 0.103 6 3/4 6 15/16 3/32
BS1806-167 177.47 2.62 6.987 0.103 7 7 3/16 3/32
BS1806-168 183.82 2.62 7.237 0.103 7 1/4 7 7/16 3/32
BS1806-169 190.17 2.62 7.487 0.103 7 1/2 7 11/16 3/32
BS1806-170 196.52 2.62 7.737 0.103 7 3/4 7 15/16 3/32
BS1806-171 202.87 2.62 7.987 0.103 8 8 3/16 3/32
BS1806-172 209.22 2.62 8.237 0.103 8 1/4 8 7/16 3/32
BS1806-173 215.57 2.62 8.487 0.103 8 1/2 8 11/16 3/32
BS1806-174 221.92 2.62 8.737 0.103 8 3/4 8 15/16 3/32
BS1806-175 228.27 2.62 8.987 0.103 9 9 3/16 3/32
BS1806-176 234.62 2.62 9.237 0.103 9 1/4 9 7/16 3/32
BS1806-177 240.97 2.62 9.487 0.103 9 1/2 9 11/16 3/32
BS1806-178 247.32 2.62 9.737 0.103 9 3/4 9 15/16 3/32
BS1806-201 4.34 3.53 0.171 0.139 3/16 7/16 1/8
BS1806-202 5.94 3.53 0.234 0.139 1/4 1/2 1/8
BS1806-203 7.52 3.53 0.296 0.139 5/16 9/16 1/8
BS1806-204 9.12 3.53 0.359 0.139 3/8 5/8 1/8
BS1806-205 10.69 3.53 0.421 0.139 7/16 11/16 1/8
BS1806-206 12.29 3.53 0.484 0.139 1/2 3/4 1/8
BS1806-207 13.87 3.53 0.546 0.139 9/16 13/16 1/8
BS1806-208 15.47 3.53 0.609 0.139 5/8 7/8 1/8
BS1806-209 17.04 3.53 0.671 0.139 11/16 15/16 1/8
BS1806-210 18.64 3.53 0.734 0.139 3/4 1 1/8
BS1806-211 20.22 3.53 0.796 0.139 13/16 1 1/16 1/8
BS1806-212 21.82 3.53 0.859 0.139 7/8 1 1/8 1/8
BS1806-213 23.39 3.53 0.921 0.139 15/16 1 3/16 1/8
BS1806-214 24.99 3.53 0.984 0.139 1 1 1/4 1/8
BS1806-215 26.57 3.53 1.046 0.139 1 1/16 1 5/16 1/8
BS1806-216 28.17 3.53 1.109 0.139 1 1/8 1 3/8 1/8
BS1806-217 29.74 3.53 1.171 0.139 1 3/16 1 7/16 1/8
BS1806-218 31.34 3.53 1.234 0.139 1 1/4 1 1/2 1/8
BS1806-219 32.92 3.53 1.296 0.139 1 5/16 1 9/16 1/8
BS1806-220 34.52 3.53 1.359 0.139 1 3/8 1 5/8 1/8
BS1806-221 36.09 3.53 1.421 0.139 1 7/16 1 11/16 1/8
BS1806-222 37.69 3.53 1.484 0.139 1 1/2 1 3/4 1/8
BS1806-223 40.87 3.53 1.609 0.139 1 5/8 1 7/8 1/8
BS1806-224 44.04 3.53 1.734 0.139 1 3/4 2 1/8
BS1806-225 47.22 3.53 1.859 0.139 1 7/8 2 1/8 1/8
BS1806-226 50.39 3.53 1.984 0.139 2 2 1/4 1/8
BS1806-227 53.57 3.53 2.109 0.139 2 1/8 2 3/8 1/8
BS1806-228 56.74 3.53 2.234 0.139 2 1/4 2 1/2 1/8
BS1806-229 59.92 3.53 2.359 0.139 2 3/8 2 5/8 1/8
BS1806-230 63.09 3.53 2.484 0.139 2 1/2 2 3/4 1/8
BS1806-231 66.27 3.53 2.609 0.139 2 5/8 2 7/8 1/8
BS1806-232 69.44 3.53 2.734 0.139 2 3/4 3 1/8
BS1806-233 72.62 3.53 2.859 0.139 2 7/8 3 1/8 1/8
BS1806-234 75.79 3.53 2.984 0.139 3 3 1/4 1/8
BS1806-235 78.97 3.53 3.109 0.139 3 1/8 3 3/8 1/8
BS1806-236 82.14 3.53 3.234 0.139 3 1/4 3 1/2 1/8
BS1806-237 85.32 3.53 3.359 0.139 3 3/8 3 5/8 1/8
BS1806-238 88.49 3.53 3.484 0.139 3 1/2 3 3/4 1/8
BS1806-239 91.67 3.53 3.609 0.139 3 5/8 4 5/8 1/2
BS1806-240 94.84 3.53 3.734 0.139 3 3/4 4 1/8
BS1806-241 98.02 3.53 3.859 0.139 3 7/8 4 1/8 1/8
BS1806-242 101.19 3.53 3.984 0.139 4 4 1/4 1/8
BS1806-243 104.37 3.53 4.109 0.139 4 1/8 4 3/8 1/8
BS1806-244 107.54 3.53 4.234 0.139 4 1/4 4 1/2 1/8
BS1806-245 110.72 3.53 4.359 0.139 4 3/8 4 5/8 1/8
BS1806-246 113.89 3.53 4.484 0.139 4 1/2 4 3/4 1/8
BS1806-247 117.07 3.53 4.609 0.139 4 5/8 4 7/8 1/8
BS1806-248 120.24 3.53 4.734 0.139 4 3/4 5 1/8
BS1806-249 123.42 3.53 4.859 0.139 4 7/8 5 1/8 1/8
BS1806-250 126.59 3.53 4.984 0.139 5 5 1/4 1/8
BS1806-251 129.77 3.53 5.109 0.139 5 1/8 5 3/8 1/8
BS1806-252 132.94 3.53 5.234 0.139 5 1/4 5 1/2 1/8
BS1806-253 136.12 3.53 5.359 0.139 5 3/8 5 5/8 1/8
BS1806-254 139.29 3.53 5.484 0.139 5 1/2 5 3/4 1/8
BS1806-255 142.47 3.53 5.609 0.139 5 5/8 5 7/8 1/8
BS1806-256 145.64 3.53 5.734 0.139 5 3/4 6 1/8
BS1806-257 148.82 3.53 5.859 0.139 5 7/8 6 1/8 1/8
BS1806-258 151.99 3.53 5.984 0.139 6 6 1/4 1/8
BS1806-259 158.34 3.53 6.234 0.139 6 1/4 6 1/2 1/8
BS1806-260 164.69 3.53 6.484 0.139 6 1/2 6 3/4 1/8
BS1806-261 171.04 3.53 6.734 0.139 6 3/4 7 1/8
BS1806-262 177.39 3.53 6.984 0.139 7 7 1/4 1/8
BS1806-263 183.74 3.53 7.234 0.139 7 1/4 7 1/2 1/8
BS1806-264 190.09 3.53 7.484 0.139 7 1/2 7 3/4 1/8
BS1806-265 196.44 3.53 7.734 0.139 7 3/4 8 1/8
BS1806-266 202.79 3.53 7.984 0.139 8 8 1/4 1/8
BS1806-267 209.14 3.53 8.234 0.139 8 1/4 8 1/2 1/8
BS1806-268 215.49 3.53 8.484 0.139 8 1/2 8 3/4 1/8
BS1806-269 221.84 3.53 8.734 0.139 8 3/4 9 1/8
BS1806-270 228.19 3.53 8.984 0.139 9 9 1/4 1/8
BS1806-271 234.54 3.53 9.234 0.139 9 1/4 9 1/2 1/8
BS1806-272 240.89 3.53 9.484 0.139 9 1/2 9 3/4 1/8
BS1806-273 247.24 3.53 9.734 0.139 9 3/4 10 1/8
BS1806-274 253.59 3.53 9.984 0.139 10 10 1/4 1/8
BS1806-275 266.29 3.53 10.484 0.139 10 1/2 10 3/4 1/8
BS1806-276 278.99 3.53 10.984 0.139 11 11 1/4 1/8
BS1806-277 291.69 3.53 11.484 0.139 11 1/2 11 3/4 1/8
BS1806-278 304.39 3.53 11.984 0.139 12 12 1/4 1/8
BS1806-279 329.79 3.53 12.984 0.139 13 13 1/4 1/8
BS1806-280 355.19 3.53 13.984 0.139 14 14 1/4 1/8
BS1806-281 380.57 3.53 14.983 0.139 15 15 1/4 1/8
BS1806-309 10.46 5.33 0.412 0.210 7/16 13/16 3/16
BS1806-310 12.07 5.33 0.475 0.210 1/2 7/8 3/16
BS1806-311 13.64 5.33 0.537 0.210 9/16 15/16 3/16
BS1806-312 15.24 5.33 0.600 0.210 5/8 1 3/16
BS1806-313 16.81 5.33 0.662 0.210 11/16 1 1/16 3/16
BS1806-314 18.42 5.33 0.725 0.210 3/4 1 1/8 3/16
BS1806-315 19.99 5.33 0.787 0.210 13/16 1 3/16 3/16
BS1806-316 21.59 5.33 0.850 0.210 7/8 1 1/4 3/16
BS1806-317 23.16 5.33 0.912 0.210 15/16 1 5/16 3/16
BS1806-318 24.77 5.33 0.975 0.210 1 1 3/8 3/16
BS1806-319 26.34 5.33 1.037 0.210 1 1/16 1 7/16 3/16
BS1806-320 27.94 5.33 1.100 0.210 1 1/8 1 1/2 3/16
BS1806-321 29.51 5.33 1.162 0.210 1 3/16 1 9/16 3/16
BS1806-322 31.12 5.33 1.225 0.210 1 1/4 1 5/8 3/16
BS1806-323 32.69 5.33 1.287 0.210 1 5/16 1 11/16 3/16
BS1806-324 34.29 5.33 1.350 0.210 1 3/8 1 3/4 3/16
BS1806-325 37.47 5.33 1.475 0.210 1 1/2 1 7/8 3/16
BS1806-326 40.64 5.33 1.600 0.210 1 5/8 2 3/16
BS1806-327 43.82 5.33 1.725 0.210 1 3/4 2 1/8 3/16
BS1806-328 46.99 5.33 1.850 0.210 1 7/8 2 1/4 3/16
BS1806-329 50.17 5.33 1.975 0.210 2 2 3/8 3/16
BS1806-330 53.34 5.33 2.100 0.210 2 1/8 2 1/2 3/16
BS1806-331 56.52 5.33 2.225 0.210 2 1/4 2 5/8 3/16
BS1806-332 59.69 5.33 2.350 0.210 2 3/8 2 3/4 3/16
BS1806-333 62.87 5.33 2.475 0.210 2 1/2 2 7/8 3/16
BS1806-334 66.04 5.33 2.600 0.210 2 5/8 3 3/16
BS1806-335 69.22 5.33 2.725 0.210 2 3/4 3 1/8 3/16
BS1806-336 72.39 5.33 2.850 0.210 2 7/8 3 1/4 3/16
BS1806-337 75.57 5.33 2.975 0.210 3 3 3/8 3/16
BS1806-338 78.74 5.33 3.100 0.210 3 1/8 3 1/2 3/16
BS1806-339 81.92 5.33 3.225 0.210 3 1/4 3 5/8 3/16
BS1806-340 85.09 5.33 3.350 0.210 3 3/8 3 3/4 3/16
BS1806-341 88.27 5.33 3.475 0.210 3 1/2 3 7/8 3/16
BS1806-342 91.44 5.33 3.600 0.210 3 5/8 4 3/16
BS1806-343 94.62 5.33 3.725 0.210 3 3/4 4 1/8 3/16
BS1806-344 97.79 5.33 3.850 0.210 3 7/8 4 1/4 3/16
BS1806-345 100.97 5.33 3.975 0.210 4 4 3/8 3/16
BS1806-346 104.14 5.33 4.100 0.210 4 1/8 4 1/2 3/16
BS1806-347 107.32 5.33 4.225 0.210 4 1/4 4 5/8 3/16
BS1806-348 110.49 5.33 4.350 0.210 4 3/8 4 3/4 3/16
BS1806-349 113.67 5.33 4.475 0.210 4 1/2 4 7/8 3/16
BS1806-350 116.84 5.33 4.600 0.210 4 5/8 5 3/16
BS1806-351 120.02 5.33 4.725 0.210 4 3/4 5 1/8 3/16
BS1806-352 123.19 5.33 4.850 0.210 4 7/8 5 1/4 3/16
BS1806-353 126.37 5.33 4.975 0.210 5 5 3/8 3/16
BS1806-354 129.54 5.33 5.100 0.210 5 1/8 5 1/2 3/16
BS1806-355 132.72 5.33 5.225 0.210 5 1/4 5 5/8 3/16
BS1806-356 135.89 5.33 5.350 0.210 5 3/8 5 3/4 3/16
BS1806-357 139.07 5.33 5.475 0.210 5 1/2 5 7/8 3/16
BS1806-358 142.24 5.33 5.600 0.210 5 5/8 6 3/16
BS1806-359 145.42 5.33 5.725 0.210 5 3/4 6 1/8 3/16
BS1806-360 148.59 5.33 5.850 0.210 5 7/8 6 1/4 3/16
BS1806-361 151.77 5.33 5.975 0.210 6 6 3/8 3/16
BS1806-362 158.12 5.33 6.225 0.210 6 1/4 6 5/8 3/16
BS1806-363 164.47 5.33 6.475 0.210 6 1/2 6 7/8 3/16
BS1806-364 170.82 5.33 6.725 0.210 6 3/4 7 1/8 3/16
BS1806-365 177.17 5.33 6.975 0.210 7 7 3/8 3/16
BS1806-366 183.52 5.33 7.225 0.210 7 1/4 7 5/8 3/16
BS1806-367 189.87 5.33 7.475 0.210 7 1/2 7 7/8 3/16
BS1806-368 196.22 5.33 7.725 0.210 7 3/4 8 1/8 3/16
BS1806-369 202.57 5.33 7.975 0.210 8 8 3/8 3/16
BS1806-370 208.92 5.33 8.225 0.210 8 1/4 8 5/8 3/16
BS1806-371 215.27 5.33 8.475 0.210 8 1/2 8 7/8 3/16
BS1806-372 221.62 5.33 8.725 0.210 8 3/4 9 1/8 3/16
BS1806-373 227.97 5.33 8.975 0.210 9 9 3/8 3/16
BS1806-374 234.32 5.33 9.225 0.210 9 1/4 9 5/8 3/16
BS1806-375 240.67 5.33 9.475 0.210 9 1/2 9 7/8 3/16
BS1806-376 247.02 5.33 9.725 0.210 9 3/4 10 1/8 3/16
BS1806-377 253.37 5.33 9.975 0.210 10 10 3/8 3/16
BS1806-378 266.07 5.33 10.475 0.210 10 1/2 10 7/8 3/16
BS1806-379 278.77 5.33 10.975 0.210 11 11 3/8 3/16
BS1806-380 291.47 5.33 11.475 0.210 11 1/2 11 7/8 3/16
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