Threading Technology – Clamping Technology 520

128 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: BU20A600.5707 Machine Taps HSSE-PM, HSS Extra 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 (LK No.4 - LK 3 / 8 ) ø d 2 ø d 1 l 2 l 1 Reduced Shank (LK 7 / 16 - LK 3 / 4 ) Z CNC-Controlled Machines LK-UNF P 60° BT P 90° 30° 60° ≥ 36 T.P.I. Unified SELF-LOCK Fine Thread EMUGE Standard Type BT BT Coating GLT-1 GLT-1 Cutting Material HSSE-PM HSS Extra Technical Characteristics R45 B / 4-5 E / 1.5-2 E / O / P E / O / P Thread Depth max. 3 x d 1 max. 3 x d 1 and Hole Shape Applications – Material P 1 .1- 5 .1 M 1 .1- 3 .1 K 2 .1 N 1 .4- 2 .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 BU20A600 BU51C400 Dimens. ID Rekord 1B-Z-PM GLT-1 Flutes Enorm 1-Z/E GLT-1 Flutes Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 LK No. 4 48 2.205 0.236 0.709 0.141 0.110 0.0996 .5707 2 2 LK No. 6 40 2.205 0.276 0.787 0.141 0.110 0.1220 .5709 3 3 LK No. 8 36 2.480 0.315 0.827 0.168 0.131 0.1476 .5710 3 3 LK No. 10 32 2.756 0.394 0.984 0.194 0.152 0.1654 .5711 3 3 LK 1 / 4 28 3.150 0.394 1.181 0.255 0.191 0.2244 .5713 3 3 LK 5 / 16 24 3.543 0.394 1.260 0.318 0.238 0.2835 .5714 4 3 LK 3 / 8 24 3.937 0.394 1.535 0.381 0.286 0.3425 .5715 4 3 Reduced Shank Tool Identification CU20A600 CU51C400 Dimens. ID Rekord 2B-Z-PM GLT-1 Flutes Enorm 2-Z/E GLT-1 Flutes Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 LK 7 / 16 20 3.937 0.512 — 0.323 0.242 0.4016 .5716 4 4 LK 1 / 2 20 3.937 0.512 — 0.367 0.275 0.4606 .5717 4 5 LK 9 / 16 18 3.937 0.591 — 0.429 0.322 0.5197 .5718 4 5 LK 5 / 8 18 3.937 0.591 — 0.480 0.360 0.5827 .5719 4 5 LK 3 / 4 16 4.331 0.669 — 0.590 0.442 0.7008 .5720 4 5 new Gages for Unified SELF-LOCK fine thread, see page 456