Threading Technology – Clamping Technology 520

120 Machine Taps HSS Extra UNC UNF UNEF UN-8 M MF NPSF Rp (BSPP) G NPT NPTF Rc (BSPT) SELF-LOCK Accessories NPSM/NPSC Tech. Info v c Product Finder STI Ordering Example: BU456011.5611 new 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 (STI-No.2 - STI 5 / 16 ) ø d 2 ø d 1 l 2 l 1 Reduced Shank (STI 3 / 8 - STI 1) TI Titanium Z CNC-Controlled Machines STI-UNC P 60° Unified Coarse Thread ASME B18.29.1 For wire thread inserts Class of Fit 3BX 3B 3B 3B Coating NT2 TIN GLT-1 Cutting Material HSS Extra HSS Extra HSS Extra HSS Extra Technical Characteristics R15 R45 R45 R45 C / 2-3 E / 1.5-2 E / 1.5-2 E / 1.5-2 E / O / P E / O / P E / O / P E / O / P Thread Depth max. 2 x d 1 max. 3 x d 1 and Hole Shape Applications – Material P 4 .1- 5 .1 M 3 .1- 4 .1 N 2 .4-5, 2 .7 S 1 .1- 2 .2, 2 .4 P 1 .1- 4 .1 M 1 .1- 2 .1 N 2 .1 P 1 .1- 4 .1 M 1 .1- 3 .1 N 1 .4-6 N 2 .1-2, 2 .4-5 S 1 .1 P 1 .1- 4 .1 M 1 .1- 3 .1 N 1 .4-6 N 2 .1-2, 2 .4-5 S 1 .1 Reinforced Shank Tool Identification BU456011 BU513510 BU513710 BU51C410 Dimens. ID Rekord 1D-TI NT2 Flutes Enorm 1-Z/E Flutes Enorm 1-Z/E TIN Flutes Enorm 1-Z/E GLT-1 Flutes Nominal Size ø d 1 T.P.I. inch ø d 1 l 1 l 2 l 3 ø d 2 STI-No. 2 56 0.1092 2.205 0.433 0.709 0.141 0.110 0.0906 .5609 2 2 STI-No. 4 40 0.1445 2.205 0.472 0.787 0.141 0.110 0.1220 .5611 3 3 3 3 STI-No. 5 40 0.1575 2.480 0.512 0.827 0.168 0.131 0.1339 .5612 3 3 3 STI-No. 6 32 0.1786 2.756 0.512 0.984 0.194 0.152 0.1496 .5613 3 3 3 3 STI-No. 8 32 0.2046 3.150 0.512 1.142 0.220 0.165 0.1732 .5614 3 3 3 3 STI-No. 10 24 0.2441 3.150 0.669 1.181 0.255 0.191 0.2047 .5615 3 3 3 3 STI-No. 12 24 0.2701 3.543 0.669 1.260 0.318 0.238 0.2283 .5616 3 3 3 STI 1 / 4 20 0.3150 3.543 0.787 1.378 0.318 0.238 0.2638 .5617 3 3 3 3 STI 5 / 16 18 0.3847 3.937 0.866 1.535 0.381 0.286 0.3307 .5618 3 3 3 3 Reduced Shank Tool Identification CU456011 CU513510 CU513710 CU51C410 Dimens. ID Rekord 2D-TI NT2 Flutes Enorm 2-Z/E Flutes Enorm 2-Z/E TIN Flutes Enorm 2-Z/E GLT-1 Flutes Nominal Size ø d 1 T.P.I. inch ø d 1 l 1 l 2 l 3 ø d 2 STI 3 / 8 16 0.4562 3.937 0.866 — 0.367 0.275 0.3937 .5619 3 5 5 5 STI 7 / 16 14 0.5303 4.331 1.024 — 0.429 0.322 0.4567 .5620 3 4 4 STI 1 / 2 13 0.5999 4.331 1.063 — 0.480 0.360 0.5236 .5621 3 4 4 4 STI 9 / 16 12 0.6708 4.921 1.024 — 0.542 0.406 0.5866 .5622 3 STI 5 / 8 11 0.7431 4.921 1.181 — 0.590 0.442 0.6496 .5623 3 5 5 5 STI 3 / 4 10 0.8799 5.512 1.260 — 0.697 0.523 0.7776 .5624 3 5 5 5 STI 7 / 8 9 1.0193 6.299 1.417 — 0.800 0.600 0.9055 .5625 5 STI 1 8 1.1624 7.087 1.575 — 1.021 0.766 1.0335 .5626 5