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10101010100＋0　T53xam）3nm（DP≧WR＝0 is available forstandard type only.4−R≦0.2R1R1W±0.01W±0.01W±0.01W±0.01V±0.013A3.DDG3.Ai3.Y3..B.AADERG.K.K.BALBVAFAー.ーHT355）l .0AEGDR.0DRE.100＋P≧V＞D30100＋P≧V＞D→AynoR2（／W＜R≦51）＋PK（≧V＞D→G ＋0.005 0±0.005φ0.0060.01 The drawings below are for standard type.　 But the precision above is for lapping type.R2R≦0.2R≦0.5R1RR 0.01B＋Y＋1＜F≦Fmax ーB＋Y＋2＜F≦FmaxP・W0±P0±P0±P0±P00＋　L00＋　B00＋　P00＋　FSKD11SKH51SKH40SKD11SKH51SKH40SKD11SKH51SKH40SKD11SKH51SKH40　0−0.2HR2−0.01−0.03φ0.010.02A0.01/120.02P＞WD／2　0−0.01P≧W0.15≦R＜W／24−RShape R：K＝ （P−2R）2＋（W−2R）2＋2RShape D：K＝ P2＋W2GDRE1.6～2.5R2～33～R10 0.01 0.1Table 4　ERDGTable 5VBmax0.700～ 1.499 8.01.500～ 1.99913.02.000～ 3.49919.03.500～ 4.99925.05.000～24.96030.00.510～0.9991.000～1.9992.000～3.9994.000～5.9996.000～110Code No.TypeHead thickness T＝3mmSSHTWPPHTWLLーSHTWLLーPHTWAAーSHTWAAーPHTWAALーSHTWAALーPHTWStandardSKH51SKH40LappingSKH51SKH40StandardSKH51SKH40LappingSKH51SKH40Head thickness T＝5mmSSHTW5TPPHTW5TLLーSHTW5TLLーPHTW5TAAーSHTW5TAAーPHTW5TAALーSHTW5TAALーPHTW5TStandardSKH51SKH40LappingSKH51SKH40StandardSKH51SKH40LappingSKH51SKH40StandardSSPTWSSHTWPPHTWLLーSPTWLLーSHTWLLーPHTWAAーSPTWAAーSHTWAAーPHTWAALーSPTWAALーSHTWAALーPHTWLappingStandardLapping1.6202530354050602.0202530354050602.5202530354050601.62025 30354050602.0202530354050602.520253035405060 3 4 5 6 81013162025 For V＞Dー0.03, no press-in lead（Dー0.01ー0.03）. 5,10Table 1　APTable 2VBmax 3.0 5.0 8.010.00.300～0.4990.500～0.7990.800～0.9991.000～2.4600.310～0.4990.500～0.7990.800～0.9991.000～1.9992.000～PminPmaxP・KmaxP・Wmin 0.1 0.01（lapping type 0.001）Table 3　APFmax 6.0 8.010.020.035.0Bmax0.500～ 0.99910.01.000～ 1.99920.02.000～ 3.99935.04.000～ 5.99945.06.000～24.98060.00.30 1.560.50 1.96Bmin=1.0Bmax= 0.80 2.460.30 1.56Table 10.50 1.960.80 2.460.5040506070800.5040506070801.00405060708040506070801.004050607080901001.004050607080901001.504050607080901003.004050607080901005.00405060 7080901006.504050607080901009.00 2.98 2.960.70 3.98 3.960.80 4.98 4.96 0.800.80 5.98 5.961.00 7.98 7.96 9.98 9.961.251.5012.9812.962.0015.9815.9619.9819.962.5024.9824.96 3.00Bmin=2.0Bmax= Table 3Table 4Tip toleranceDーPCoaxialityAERDG　（JISG4403.2000）.P＞W4−R≦0.2A：F≦Lー25ERDG：F≦Lー30Y＝R part lengthY＝X（20ーX）A：X＝（VーP）／2ERDG：X＝（VーW）／2 Table 5 2.6 3andF≦Lー12Y＝R part lengthY＝X（6ーX）X＝（VーP）／2 Table 2 3.5 2.6 3 3.5 5 7 8 9111316192328andFmax10.020.035.045.060.0Type・Precision / Material （Shank diameter tolerance D ）DーP,WSymmetryTipHardnessMaterial60～63HRCSKD1161～64HRCSKH5164～67HRCSKH40 SKH40:P/M high-speed steelroughnessGL0.161.6ShapeDTwo-step PunchesStandard・Lapping type