Threading Technology – Clamping Technology 520

22 Machine Taps HSS Extra UNC UNF UNEF UN-8 M MF NPSF Rp (BSPP) G NPT NPTF Rc (BSPT) STI SELF-LOCK Accessories NPSM/NPSC Tech. Info v c Product Finder Ordering Example: BU208400.5000 new DIN Length · ANSI Shank Overall length acc. to DIN 371, DIN 376 l 1 ø d 1 l 2 ø d 2 l 3 Reinforced Shank (No.1 - 3 / 8 ) ø d 2 ø d 1 l 2 l 1 Reduced Shank ( 7 / 16 - 2) STEEL Steel Materials UNC P 60° Unified Coarse Thread ASME B1.1 Class of Fit 2B 2B 2B 2B 3B Coating TIN TIN TICN Cutting Material HSS Extra HSS Extra HSS Extra HSS Extra HSS Extra Technical Characteristics R15 R15 R35 R35 B / 4-5 C / 2-3 C / 2-3 C / 2-3 C / 2-3 E / O E / O E / O E / O E / O Thread Depth max. 3 x d 1 max. 2 x d 1 max. 2.5 x d 1 and Hole Shape Applications – Material P 1 .1- 4 .1 K 2 .1 N 2 .2, 2 .4-5 P 1 .1- 4 .1 K 1 .1- 4 .2 N 1 .4-5, 2 .4-5 P 1 .1- 4 .1 K 1 .1- 4 .2 N 1 .4-5, 2 .4-5 P 1 .1- 3 .1 N 2 .2 P 1 .1- 3 .1 N 2 .2 Reinforced Shank Tool Identification BU208400 BU451400 BU979000 BU501000 BU501010 Dimens. ID Rekord 1B-STEEL-L TIN Flutes Rekord 1D-STEEL TIN Flutes Rekord 1D-STEEL IKZ-TICN Flutes Enorm 1-STEEL Flutes Enorm 1-STEEL Flutes Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 No. 1 64 1.772 0.276 0.472 0.141 0.110 0.0595 .5000 2 2 2 2 No. 2 56 1.772 0.276 0.472 0.141 0.110 0.0700 .5001 2 2 2 2 No. 3 48 1.969 0.354 0.551 0.141 0.110 0.0820 .5002 2 2 2 2 No. 4 40 2.205 0.433 0.709 0.141 0.110 0.0890 .5003 2 2 2 2 No. 5 40 2.205 0.433 0.709 0.141 0.110 0.1015 .5004 3 2 3 3 No. 6 32 2.205 0.472 0.787 0.141 0.110 0.1110 .5005 3 3 3 3 No. 8 32 2.480 0.512 0.827 0.168 0.131 0.1360 .5006 3 3 3 3 No. 10 24 2.756 0.591 0.984 0.194 0.152 0.1520 .5007 3 3 3 3 3 No. 12 24 3.150 0.630 1.142 0.220 0.165 0.1770 .5008 3 3 3 3 1 / 4 20 3.150 0.669 1.181 0.255 0.191 0.2040 .5009 3 3 3 3 3 5 / 16 18 3.543 0.787 1.378 0.318 0.238 0.2610 .5010 3 3 3 3 3 3 / 8 16 3.937 0.866 1.535 0.381 0.286 0.3160 .5011 3 3 3 3 3 Reduced Shank Tool Identification CU208400 CU451400 CU979000 CU501000 CU501010 Dimens. ID Rekord 2B-STEEL-L TIN Flutes Rekord 2D-STEEL TIN Flutes Rekord 2D-STEEL IKZ-TICN Flutes Enorm 2-STEEL Flutes Enorm 2-STEEL Flutes Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 7 / 16 14 3.937 0.866 — 0.323 0.242 0.3680 .5012 3 3 3 3 3 1 / 2 13 4.331 0.984 — 0.367 0.275 0.4219 .5013 3 3 3 3 3 9 / 16 12 4.331 1.024 — 0.429 0.322 0.4844 .5014 3 3 3 3 5 / 8 11 4.331 1.063 — 0.480 0.360 0.5313 .5015 3 3 3 3 3 3 / 4 10 4.921 1.181 — 0.590 0.442 0.6563 .5016 3 3 3 3 3 7 / 8 9 5.512 1.260 — 0.697 0.523 0.7656 .5017 3 3 3 4 4 1 8 6.299 1.417 — 0.800 0.600 0.8750 .5018 3 3 3 4 1 1 / 8 7 7.087 1.575 — 0.896 0.672 0.9843 .5019 3 3 4 1 1 / 4 7 7.087 1.575 — 1.021 0.766 1.1094 .5020 4 4 4 1 3 / 8 6 7.874 1.969 — 1.108 0.831 1.2205 .5021 4 4 1 1 / 2 6 7.874 1.969 — 1.233 0.925 1.3386 .5022 4 4 1 3 / 4 5 8.661 2.283 — 1.430 1.072 1.5551 .5023 4 5 2 4 1 / 2 9.843 2.559 — 1.644 1.233 1.7812 .5024 4 5 new

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