Page 29 - Catalog

Standard Taps Spiral Fluted Taps Modified Bottoming Style Inch & Metric EDP Size Thread Per Inch No. of Flutes 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 No. of Flutes 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 Thread Limit H2 H2 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H5 H3 H3 H4 H4 H4 H4 H4 H4 H4 Thread Limit D3 D4 D4 D4 D5 D5 D5 D5 D6 D5 D6 D5 D7 D6 D7 D6 D7 D6 D7 UNC B0082 2 56 B0162 4 40 B0203 5 40 B0243 6 32 B0283 8 32 B0323 10 24 B0343 10 B0403 1/4 20 B0423 1/4 B0443 5/16 18 B0463 5/16 B0483 3/8 16 B0503 3/8 B0523 7/16 14 B0543 7/16 B0563 1/2 13 B0583 1/2 B0603 9/16 12 B0623 9/16 B0643 5/8 11 B0663 5/8 B0703 3/4 10 B0723 3/4 B0744 7/8 9 B0764 7/8 B0784 1 8 B0804 1 B0824 1-1/8 7 B0864 1-1/4 7 B0904 1-3/8 6 EDP BS203 BS224 BS244 BS284 BS315 BS345 BS365 BS375 BS426 BS435 BS506 BS525 BS547 BS556 BS607 BS616 BS657 BS676 T1185805 UNF 32 28 24 24 20 20 18 18 16 14 12 Cutting Applications Materials Main Group Sub-Group Condition Hardness (HRc) Cutting Speed (SFM) Stainless Steel 200Series 300Series 17-4,15-5 AM286 400Series Annealed Annealed Annealed Annealed Annealed <28 <28 <25 <25 <28 20-35 20-35 10-15 15-25 20-35 Low Carbon Steel 1010 1018 1035 Normalized <20 25-50 Medium Carbon Steel 1030, 1035 1038, 1040 1045, 1050 Normalized <28 20-40 High Carbon Steel 1065, 1070 1080, 1090 1095, 1561 1572 Normalized <30 15-25 High Strength Steel 4140, 4340 Normalized <30 15-25 Tool Steel A-2, D-2, H-13, P-20 Annealed <30 15-25 Aluminum Cast, wrought - - 30-90 Magnesium - - - 40-80 Copper - - - 50-60 Brass - - - 30-65 Zinc - - - 30-65 Size Pitch M3 0.5 M3.5 0.6 M4 0.7 M5 0.8 M6 1.0 M7 1.0 M8 1.25 M8 1.0 M10 1.5 M10 1.25 M12 1.75 M12 1.25 M14 2.0 M14 1.5 M16 2.0 M16 1.5 M18 2.5 M18 1.5 M24 1.5 Tel - 905 597 7705 | Fax - 905 597 7715 | www.valcarb.com 29 Threading