Threading Technology – Clamping Technology 520

196 UNC UNF M MF G STI Tech. Info v c Product Finder SELF-LOCK Ordering Example: BU931400.5707 Roll Form Taps HSS Extra DIN Length · ANSI Shank Overall length acc. to DIN 2174 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 / 2 ) STEEL Steel Materials LK-UNF P 60° BT P 90° 30° 60° ≥ 36 T.P.I. Unified SELF-LOCK Fine Thread EMUGE Standard Type BT Coating TIN Cutting Material HSS Extra Technical Characteristics E / 1.5-2 E / O / P Thread Depth max. 3 x d 1 and Hole Shape Applications – Material P 1 .1- 3 .1 M 1 .1- 2 .1 2) N 1 .4-5, 2 .1-2 Reinforced Shank Tool Identification BU931400 Dimens. ID Druck 1-STEEL/E-SN TIN Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 LK No. 4 48 2.205 0.433 0.709 0.141 0.110 0.1055 .5707 LK No. 6 40 2.205 0.472 0.787 0.141 0.110 0.1299 .5709 LK No. 8 36 2.480 0.512 0.827 0.168 0.131 0.1555 .5710 LK No. 10 32 2.756 0.512 0.984 0.194 0.152 0.1811 .5711 LK 1 / 4 28 3.150 0.669 1.181 0.255 0.191 0.2382 .5713 LK 5 / 16 24 3.543 0.669 1.260 0.318 0.238 0.2992 .5714 LK 3 / 8 24 3.937 0.709 1.535 0.381 0.286 0.3622 .5715 Reduced Shank Tool Identification CU931400 Dimens. ID Druck 2-STEEL/E-SN TIN Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 LK 7 / 16 20 3.937 0.866 — 0.323 0.242 0.4213 .5716 LK 1 / 2 20 3.937 0.866 — 0.367 0.275 0.4843 .5717 new We recommend a smaller preparatory diameter by 0.002 in for difficult to form materials (such as aluminum cast alloys) for P = 24 T.P.I. and coarser threads. For further information regarding the recommended preparatory diameters, see page 208 - 209. Gages for Unified SELF-LOCK fine thread, see page 456