Каталог Widia all star 2020 - страница 287

• TABLE OF CONTENTS
• INDEXABLE MILLING
• 0º/90º SHOULDER MILLS
• 90° HIGH-SPEED CUTTING MILLS
• FACE MILLS
• HIGH-FEED MILLS
• COPY MILLS
• SOLID END MILLING
• HIGH-PERFORMANCE SOLID CARBIDE END MILLS
• GENERAL PURPOSE SOLID CARBIDE END MILLS
• HOLEMAKING
• SOLID CARBIDE DRILLS
• MODULAR DRILLS
• INDEXABLE DRILLS
• TAPPING
• TURNING
• HIGH-PERFORMANCE INSERTS
• GROOVING & CUT-OFF
• Informational Icons Guide
• Material Overview • DIN

TURNINGTAPPINGHOLEMAKINGSOLID END MILLINGINDEXABLE MILLING Technical Information Tap Recommendations for Classes 2B and 3B TTUnified Inch Screw Threads recommended internal thread tap limits1 pitch diameter limits min max max thread class class all classes class class size/pitch 2B 3B (Basic) 2B 3B 3/4 - 16 H5 H4 0.7094 0.7159 0.7143 7/8 - 9 H6 H4 0.8028 0.8110 0.8089 7/8 - 14 H6 H4 0.8286 0.8356 0.8339 1” - 8 H6 H5 0.9188 0.9276 0.9254 1” - 12 H6 H4 0.9459 0.9535 0.9516 1-1/8 - 7 H8 H6 1.0322 1.0416 1.0393 1-1/8 - 8 H8 H6 1.0438 1.0528 1.0505 1-1/8 - 12 H6 H5 1.0709 1.0787 1.0768 1-1/4 - 7 H8 H6 1.1572 1.1668 1.1644 1-1/4 - 8 H8 H6 1.1688 1.1780 1.1757 1-1/4 - 12 H6 H5 1.1959 1.2039 1.2019 1-3/8 - 6 H8 H6 1.2667 1.2771 1.2745 1-3/8 - 8 H8 H6 1.2938 1.3031 1.3008 1-3/8 - 12 H6 H5 1.3209 1.3291 1.3270 1-1/2 - 6 H8 H6 1.3917 1.4022 1.3996 1-1/2 - 8 H8 H6 1.4188 1.4283 1.4259 1-1/2 - 12 H6 H5 1.4459 1.4542 1.4522 1-3/4 - 5 H8 H7 1.6201 1.6317 1.6288 2 - 4 1/2 H8 H7 1.8557 1.8681 1.8650 1Tap H limit selected for 3B will also produce thread to 2B. Tap Recommendations for Class 6H Metric Screw Threads recommended thread size tap internal thread product limits — class 6H pitch diameter pitch diameter (mm) (in) nominal pitch limit diameter (mm) (mm) number min max min max 1,6 0,35 D3 1,373 1,458 .05406 .05740 2 0,4 D3 1,740 1,830 .06850 .07205 2,5 0,45 D3 2,208 2,303 .08693 .09067 3 0,5 D3 2,675 2,775 .10531 .10925 3,5 0,6 D4 3,110 3,222 .12244 .12685 4 0,7 D4 3,545 3,663 .13957 .14421 4,5 0,75 D4 4,013 4,131 .15789 .16264 5 0,8 D4 4,480 4,605 .17638 .18130 6 1 D5 5,350 5,500 .21063 .21654 7 1 D5 6,350 6,500 .25000 .25591 8 1,25 D5 7,188 7,348 .28299 .28929 10 1,5 D6 9,026 9,206 .35535 .36244 12 1,75 D6 10,863 11,063 .42768 .43555 14 2 D7 12,701 12,913 .50004 .50839 16 2 D7 14,701 14,913 .57878 .58713 20 2,5 D7 18,376 18,600 .72346 .73228 24 3 D8 22,051 22,316 .86815 .87858 30 3,5 D9 27,727 28,007 1.09161 1.10264 36 4 D9 33,402 33,702 1.31504 1.32685 widia.com D13