Threading Technology – Clamping Technology 520

172 UNF M MF G STI SELF-LOCK Tech. Info v c Product Finder Roll Form Taps HSSE-PM Ordering Example: BU446A00.5007 DIN Length · ANSI Shank Overall length acc. to DIN 2174 l 1 ø d 1 l 2 ø d 2 l 3 Reinforced Shank (No.1 - 3 / 8 ) ø d 2 ø d 1 l 2 l 1 Reduced Shank ( 7 / 16 - 1) VA Stainless steel materials AL Aluminum Wrought Alloys UNC P 60° Unified Coarse Thread ASME B1.1 Class of Fit 2BX 2BX 2BX Coating TIN-T26 GLT-8 GLT-8 Cutting Material HSSE-PM HSSE-PM HSSE-PM Technical Characteristics E / 1.5-2 C / 2-3 E / 1.5-2 E / O E / O / P E / O Thread Depth max. 3 x d 1 max. 3 x d 1 max. 3 x d 1 and Hole Shape 1) 1) Applications – Material P 1 .1- 4 .1 M 1 .1- 3 .1 2) N 1 .1-4, 2 .1-2 N 1 .1-4, 2 .1-2 Reinforced Shank Tool Identification BU446A00 BU37Y700 BU44Y700 Dimens. ID InnoForm 1-VA/E-SN IKZ-PM TIN-T26 InnoForm 1-AL-SN-PM GLT-8 InnoForm 1-AL/E-SN IKZ-PM GLT-8 Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 No. 1 64 1.772 0.157 0.472 0.141 0.110 0.0669 .5000 No. 2 56 1.772 0.177 0.472 0.141 0.110 0.0787 .5001 No. 3 48 1.969 0.197 0.551 0.141 0.110 0.0906 .5002 No. 4 40 2.205 0.236 0.709 0.141 0.110 0.1004 .5003 No. 5 40 2.205 0.276 0.709 0.141 0.110 0.1142 .5004 No. 6 32 2.205 0.276 0.787 0.141 0.110 0.1240 .5005 No. 8 32 2.480 0.315 0.827 0.168 0.131 0.1496 .5006 No. 10 24 2.756 0.394 0.984 0.194 0.152 0.1713 .5007 No. 12 24 3.150 0.394 1.142 0.220 0.165 0.1969 .5008 1 / 4 20 3.150 0.512 1.181 0.255 0.191 0.2264 .5009 5 / 16 18 3.543 0.551 1.378 0.318 0.238 0.2874 .5010 3 / 8 16 3.937 0.630 1.535 0.381 0.286 0.3465 .5011 Reduced Shank Tool Identification CU446A00 CU37Y700 CU44Y700 Dimens. ID InnoForm 2-VA/E-SN IKZ-PM TIN-T26 InnoForm 1-AL-SN-PM GLT-8 InnoForm 1-AL/E-SN IKZ-PM GLT-8 Nominal Size ø d 1 T.P.I. inch l 1 l 2 l 3 ø d 2 7 / 16 14 3.937 0.709 — 0.323 0.242 0.4035 .5012 1 / 2 13 4.331 0.787 — 0.367 0.275 0.4646 .5013 9 / 16 12 4.331 0.787 — 0.429 0.322 0.5236 .5014 5 / 8 11 4.331 0.866 — 0.480 0.360 0.5827 .5015 3 / 4 10 4.921 0.984 — 0.590 0.442 0.7028 .5016 7 / 8 9 5.512 1.063 — 0.697 0.523 0.8228 .5017 1 8 6.299 1.181 — 0.800 0.600 0.9409 .5018 new new new 1) Cold-forming in through holes is possible only with external cooling/lubrication 2) Restricted application possibilities with emulsion 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. UNC

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