BaerCoil® Wire Thread Inserts BSF - Technical Data acc. to DIN 8140

BSF 1,0 D 1,5 D 2,0 D 2,5 D 3,0 D F
T D B T D B T D B T D B T D B min. max.
3/16 x 32 0.187 0.327 0.296 0.281 0.421 0.390 0.375 0.515 0.484 0.468 0.608 0.577 0.562 0.702 0.671 0.238 0.253
7/32 x 28 0.218 0.379 0.343 0.328 0.489 0.453 0.437 0.598 0.562 0.546 0.707 0.671 0.656 0.817 0.781 0.277 0.292
1/4 x 26 0.250 0.423 0.385 0.375 0.548 0.510 0.500 0.673 0.635 0.625 0.798 0.760 0.750 0.923 0.885 0.314 0.329
9/32 x 26 0.281 0.454 0.416 0.421 0.594 0.566 0.562 0.735 0.697 0.703 0.876 0.838 0.843 1.016 0.978 0.348 0.363
5/16 x 22 0.312 0.516 0.471 0.469 0.673 0.628 0.625 0.829 0.784 0.781 0.985 0.940 0.937 1.141 1.096 0.389 0.404
3/8 x 20 0.375 0.325 0.550 0.562 0.787 0.737 0.750 0.975 0.925 0.937 1.162 1.112 1.125 1.350 1.300 0.462 0.477
7/16 x 18 0.437 0.687 0.631 0.656 0.906 0.850 0.875 1.125 1.069 1.093 1.343 1.287 1.312 1.562 1.506 0.536 0.555
1/2 x 16 0.500 0.781 0.719 0.750 1.031 0.969 1.000 1.281 1.219 1.250 1.531 1.469 1.500 1.781 1.719 0.611 0.631
9/16 x 16 0.562 0.843 0.781 0.844 1.125 1.063 1.125 1.406 1.344 1.406 1.687 1.625 1.687 1.968 1.906 0.679 0.699
5/8 x 14 0.625 0.946 0.875 0.937 1.258 1.187 1.250 1.571 1.500 1.562 1.883 1.812 1.875 2.196 2.125 0.756 0.776
11/16 x 14 0.687 1.008 0.937 1.031 1.352 1.281 1.375 1.696 1.625 1.718 2.039 1.968 2.062 2.383 2.312 0.824 0.844
3/4 x 12 0.750 1.125 1.042 1.125 1.500 1.417 1.500 1.875 1.792 1.875 2.250 2.167 2.250 2.625 2.542 0.905 0.925
13/16 x 12 0.812 1.187 1.104 1.218 1.593 1.510 1.625 2.000 1.917 2.031 2.406 2.323 2.437 2.812 2.729 0.972 0.992
7/8 x 11 0.875 1.284 1.193 1.312 1.721 1.630 1.750 2.159 2.068 2.187 2.596 2.505 2.625 3.034 2.943 1.048 1.073
1“ x 10 1.000 1.450 1.350 1.500 1.950 1.850 2.000 2.450 2.350 2.500 2.950 2.850 3.000 3.450 3.350 1.194 1.219
1.1/8“ x 9 1.125 1.625 1.514 1.687 2.187 2.076 2.250 2.750 2 639 2.812 3.312 3.201 3.375 3.875 3.764 1.341 1.366
1.1/4“ x 9 1.250 1.750 1.639 1.875 2.375 2.264 2.500 3.000 2.889 3.125 3.625 3.514 3.750 4.250 4.139 1.476 1.501
1.3/8“ x 8 1.375 1.938 1.813 2.062 2.625 2.500 2.750 3.312 3.188 3.437 4.000 3.875 4.125 4.688 4.563 1.627 1.657
1.1/2“ x 8 1.500 2.063 1.938 2.250 2.813 2.688 3.000 3.563 3.438 3.750 4.313 4.188 4.500 5.063 4.938 1.762 1.792
P
Install insert 1/4 - 1/2 pitch below the surface
T
Full tapped thread length (min.)
B
Tap depth - including threads chamfer of plug tap
D
Drill depth (min.) - excluding point
F
Free Coil Diameter


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