Threading Technology – Clamping Technology 520

42 UNC UNF UNEF UN-8 M MF NPSF Rp (BSPP) G NPT NPTF Rc (BSPT) STI SELF-LOCK Accessories NPSM/NPSC Tech. Info v c Product Finder Machine Taps HSSE-PM, HSS Extra Ordering Example: BU30J411.5041 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 (No.0 - 3 / 8 ) ø d 2 ø d 1 l 2 l 1 Reduced Shank ( 7 / 16 - 1 1 / 2 ) NI Nickel Alloys H Materials of High Tensile Strength UNF P 60° Unified Fine Thread ASME B1.1 Class of Fit 3BX 3BX 2BX 2BX Coating TICN TICN NT TICN Cutting Material HSSE-PM HSSE-PM HSS Extra HSS Extra Technical Characteristics L08 R10 D / 4-5 C / 2-3 C / 2-3 C / 2-3 O / P O / P E / O / P E / O / P Thread Depth max. 3 x d 1 max. 2 x d 1 max. 2 x d 1 and Hole Shape Applications – Material M 4 .1 N 2 .8 S 1 .2-3 S 2 .3, 2 .5-6 M 4 .1 N 2 .8 S 1 .2-3 S 2 .3, 2 .5-6 P 1 .1- 3 .1 K 1 .1- 4 .2 N 2 .4-7 N 4 .1, 5 .1 P 1 .1- 4 .1 K 1 .1- 4 .2 N 2 .4-7 N 4 .1, 5 .1 Reinforced Shank Tool Identification BU30J411 BU35J411 BU100501 BU109101 Dimens. ID Rekord 1C-NI-PM TICN Flutes Rekord 1DF-NI-PM TICN Flutes Rekord 1A-H NT Flutes Rekord 1A-H TICN Flutes Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 No. 0 80 1.626 0.236 0.433 0.141 0.110 0.0480 .5033 2 2 No. 1 72 1.772 0.276 0.472 0.141 0.110 0.0595 .5034 2 2 No. 2 64 1.772 0.276 0.472 0.141 0.110 0.0730 .5035 3 3 No. 3 56 1.969 0.354 0.551 0.141 0.110 0.0827 .5036 3 3 No. 4 48 2.205 0.433 0.709 0.141 0.110 0.0945 .5037 3 3 No. 5 44 2.205 0.433 0.709 0.141 0.110 0.1063 .5038 3 3 No. 6 40 2.205 0.472 0.787 0.141 0.110 0.1181 .5039 3 3 No. 8 36 2.480 0.512 0.827 0.168 0.131 0.1378 .5040 3 3 No. 10 32 2.756 0.512 0.984 0.194 0.152 0.1614 .5041 3 3 3 3 No. 12 28 3.150 0.630 1.142 0.220 0.165 0.1820 .5042 3 3 1 / 4 28 3.150 0.669 1.181 0.255 0.191 0.2165 2) .5043 3 3 3 3 5 / 16 24 3.543 0.669 1.260 0.318 0.238 0.2717 2) .5044 3 3 3 3 3 / 8 24 3.937 0.709 1.535 0.381 0.286 0.3346 2) .5045 3 3 4 4 Reduced Shank Tool Identification CU30J411 CU35J411 CU100501 CU109101 Dimens. ID Rekord 2C-NI-PM TICN Flutes Rekord 2DF-NI-PM TICN Flutes Rekord 2A-H NT Flutes Rekord 2A-H TICN Flutes Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 7 / 16 20 3.937 0.866 — 0.323 0.242 0.3898 2) .5046 3 3 4 4 1 / 2 20 3.937 0.866 — 0.367 0.275 0.4528 2) .5047 3 3 4 4 9 / 16 18 3.937 0.866 — 0.429 0.322 0.5118 .5048 3 3 4 4 5 / 8 18 3.937 0.866 — 0.480 0.360 0.5709 .5049 3 3 4 4 3 / 4 16 4.331 0.984 — 0.590 0.442 0.6890 .5050 4 4 4 4 7 / 8 14 4.921 1.024 — 0.697 0.523 0.8071 .5051 4 4 1 12 5.512 1.102 — 0.800 0.600 0.9219 .5052 4 4 1 1 / 8 12 5.906 1.181 — 0.896 0.672 1.0433 .5053 1 1 / 4 12 5.906 1.181 — 1.021 0.766 1.1719 .5054 1 3 / 8 12 6.693 1.299 — 1.108 0.831 1.2992 .5055 1 1 / 2 12 6.693 1.299 — 1.233 0.925 1.4173 .5056 new