Threading Technology – Clamping Technology 520

126 Machine Taps HSS Extra UNC UNF UNEF UN-8 M MF NPSF Rp (BSPP) G NPT NPTF Rc (BSPT) STI Accessories NPSM/NPSC Tech. Info v c Product Finder SELF-LOCK Ordering Example: BU208900.5662 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 (LK No.4 - LK 3 / 8 ) ø d 2 ø d 1 l 2 l 1 Reduced Shank (LK 7 / 16 - LK 1) STEEL Steel Materials TI Titanium LK-UNC P 60° BT P 90° 30° 60° ≥ 36 T.P.I. Unified SELF-LOCK Coarse Thread EMUGE Standard Type BT BT BT Coating TICN TICN Cutting Material HSS Extra HSS Extra HSS Extra Technical Characteristics L15 R15 B / 4-5 D / 4-5 C / 2-3 E / O E / O / P E / O / P Thread Depth max. 3 x d 1 max. 3 x d 1 max. 2 x d 1 and Hole Shape Applications – Material P 1 .1- 3 .1 N 2 .2 P 4 .1- 5 .1 M 3 .1- 4 .1 N 2 .4-5, 2 .7 S 1 .1- 2 .2, 2 .4 P 4 .1- 5 .1 M 3 .1- 4 .1 N 2 .4-5, 2 .7 S 1 .1- 2 .2, 2 .4 Reinforced Shank Tool Identification BU208900 BU309600 BU459600 Dimens. ID Rekord 1B-STEEL-L Flutes Rekord 1C-TI TICN Flutes Rekord 1D-TI TICN Flutes Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 LK No. 4 40 2.205 0.443 0.709 0.141 0.110 0.0965 .5656 2 2 LK No. 6 32 2.205 0.472 0.787 0.141 0.110 0.1142 .5658 3 3 LK No. 8 32 2.480 0.512 0.827 0.168 0.131 0.1417 .5659 3 3 LK No. 10 24 2.756 0.591 0.984 0.194 0.152 0.1575 .5660 3 3 LK No. 12 24 3.150 0.630 1.142 0.220 0.165 0.1850 .5661 3 3 LK 1 / 4 20 3.150 0.669 1.181 0.255 0.191 0.2087 .5662 3 3 3 LK 5 / 16 18 3.543 0.787 1.378 0.318 0.238 0.2677 .5663 3 3 3 LK 3 / 8 16 3.937 0.866 1.535 0.381 0.286 0.3268 .5664 3 3 3 Reduced Shank Tool Identification CU208900 CU309600 CU459600 Dimens. ID Rekord 2B-STEEL-L Flutes Rekord 2C-TI TICN Flutes Rekord 2D-TI TICN Flutes Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 LK 7 / 16 14 3.937 0.866 — 0.323 0.242 0.3819 .5665 3 3 LK 1 / 2 13 4.331 0.984 — 0.367 0.275 0.4409 .5666 3 3 3 LK 9 / 16 12 4.331 1.024 — 0.429 0.322 0.4961 .5667 LK 5 / 8 11 4.331 1.063 — 0.480 0.360 0.5512 .5668 LK 3 / 4 10 4.921 1.181 — 0.590 0.442 0.6693 .5669 LK 7 / 8 9 5.512 1.260 — 0.697 0.523 0.7874 .5670 LK 1 8 6.299 1.417 — 0.800 0.600 0.8976 .5671 new