Threading Technology – Clamping Technology 520

121 Machine Taps HSS Extra = In stock = Allow 7 days for delivery 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 new new DIN Length · ANSI Shank Overall length acc. to DIN 371, DIN 374 l 1 ø d 1 l 2 ø d 2 l 3 Reinforced Shank (STI-No.4 - STI 5 / 16 ) ø d 2 ø d 1 l 2 l 1 Reduced Shank (STI 3 / 8 - STI 1) VA Stainless Steel Materials AL Aluminum Wrought Alloys STI-UNF P 60° Unified Fine Thread ASME B18.29.1 For wire thread inserts Class of Fit 3B 3B 3B 3B Coating NT GLT-1 GLT-8 GLT-8 Cutting Material HSS Extra HSS Extra HSS Extra HSS Extra Technical Characteristics R45 B / 4-5 B / 4-5 B / approx. 3 E / 1.5-2 E / O / P E / O / P E / O E / O Thread Depth max. 3 x d 1 max. 3 x d 1 max. 2.5 x d 1 and Hole Shape Applications – Material P 1 .1- 3 .1 M 1 .1- 2 .1 K 2 .1 N 2 .2, 2 .5-6 P 1 .1- 4 .1 M 1 .1- 3 .1 K 2 .1 N 2 .2 N 1 .1-4 N 1 .1-4 Reinforced Shank Tool Identification BU203010 BU20C310 BU20S810 BU51S810 Dimens. ID Rekord 1B-VA NT Flutes Rekord 1B-VA GLT-1 Flutes Rekord 1B-AL GLT-8 Flutes Enorm 1-AL/E GLT-8 Flutes Nominal Size ø d 1 T.P.I. inch ø d 1 l 1 l 2 l 3 ø d 2 STI-No. 4 48 0.1391 2.205 0.472 0.787 0.141 0.110 0.1181 .5633 3 3 2 STI-No. 6 40 0.1705 2.480 0.512 0.827 0.168 0.131 0.1457 .5635 3 3 2 2 STI-No. 8 36 0.2001 3.150 0.512 1.142 0.220 0.165 0.1732 .5636 3 3 2 2 STI-No. 10 32 0.2306 3.150 0.512 1.181 0.255 0.191 0.2008 .5637 3 3 2 2 STI 1 / 4 28 0.2964 3.543 0.669 1.260 0.318 0.238 0.2598 .5639 3 3 2 2 STI 5 / 16 24 0.3666 3.937 0.709 1.535 0.381 0.286 0.3248 .5640 4 4 3 2 Reduced Shank Tool Identification CU203010 CU20C310 CU20S810 CU51S810 Dimens. ID Rekord 2B-VA NT Flutes Rekord 2B-VA GLT-1 Flutes Rekord 2B-AL GLT-8 Flutes Enorm 2-AL/E GLT-8 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 24 0.4291 3.937 0.709 — 0.323 0.242 0.3858 .5641 4 4 4 3 STI 7 / 16 20 0.5025 3.937 0.866 — 0.367 0.275 0.4528 .5642 3 3 4 STI 1 / 2 20 0.5650 3.937 0.866 — 0.429 0.322 0.5157 .5643 3 3 3 4 STI 9 / 16 18 0.6347 3.937 0.866 — 0.480 0.360 0.5787 .5644 3 3 STI 5 / 8 18 0.6972 4.331 0.984 — 0.542 0.406 0.6398 .5645 4 4 STI 3 / 4 16 0.8312 4.921 0.984 — 0.652 0.489 0.7677 .5646 4 4 STI 7 / 8 14 0.9677 5.512 1.102 — 0.800 0.600 0.8957 .5647 4 STI 1 12 1.1083 5.986 1.181 — 0.896 0.672 1.0236 .5648 4 new