Threading Technology – Clamping Technology 520

50 Machine Taps HSS Extra 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 Ordering Example: AU208400.5039 1) Tool Identification = AU203043 ANSI Length · ANSI Shank l 2 l 3 ø d 1 l 1 Reinforced Shank (No.6 - 3 / 8 ) ø d 2 ø d 1 l 2 l 1 Reduced Shank ( 7 / 16 - 3 / 4 ) STEEL Steel Materials VA Stainless Steel Materials UNF P 60° Unified Fine Thread ASME B1.1 Class of Fit 2B 2B 3B Oversize Coating TIN NT NT NT Cutting Material HSS Extra HSS Extra HSS Extra HSS Extra Technical Characteristics B / 4-5 B / 4-5 B / 4-5 B / 4-5 E / O E / O / P 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- 4 .1 K 2 .1 N 2 .2, 2 .4-5 P 1 .1- 3 .1 M 1 .1- 2 .1 K 2 .1 N 2 .2, 2 .5-6 P 1 .1- 3 .1 M 1 .1- 2 .1 K 2 .1 N 2 .2, 2 .5-6 P 1 .1- 3 .1 M 1 .1- 2 .1 K 2 .1 N 2 .2, 2 .5-6 Tool Identification AU208400 AU203000 AU203010 AU203044 Dimens. ID Rekord B-STEEL-L TIN Flutes Rekord B-VA NT Flutes Rekord B-VA NT Flutes Rekord B-VA NT Flutes Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 No. 6 40 2 2.00 0.472 0.748 0.141 0.110 0.1181 .5039 3 3 No. 8 36 2 1 / 8 2.13 0.512 0.827 0.168 0.131 0.1378 .5040 3 3 No. 10 32 2 3 / 8 2.38 0.591 0.945 0.194 0.152 0.1614 .5041 3 3 3 1) (+.0035) 3 1 / 4 28 2 1 / 2 2.50 0.669 1.142 0.255 0.191 0.2165 .5043 3 3 3 (+.0050) 3 5 / 16 24 2 23 / 32 2.72 0.669 1.299 0.318 0.238 0.2717 .5044 3 3 3 (+.0050) 3 3 / 8 24 2 15 / 16 2.94 0.709 1.378 0.381 0.286 0.3346 .5045 4 4 4 (+.0050) 4 7 / 16 20 3 5 / 32 3.16 0.866 — 0.323 0.242 0.3898 .5046 3 3 3 (+.0050) 3 1 / 2 20 3 3 / 8 3.38 0.866 — 0.367 0.275 0.4528 .5047 3 3 3 (+.0050) 3 9 / 16 18 3 19 / 32 3.59 0.866 — 0.429 0.322 0.5118 .5048 3 3 3 5 / 8 18 3 13 / 16 3.81 0.866 — 0.480 0.360 0.5709 .5049 3 3 3 (+.0050) 3 3 / 4 16 4 1 / 4 4.25 0.984 — 0.590 0.442 0.6890 .5050 4 4 4 DIN Length · ANSI Shank All ANSI Length · ANSI Shank taps are available in the popular DIN Length · ANSI Shank style. The DIN Length · ANSI Shank configuration allows for added reach capabilities and greater chip clearance.