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1χ2（Tapped・key groove・centre hole type）2≧0.30（Pilot punches）2≧1.00（Coating,tip R・tapered，tip tapered・acute-angle type with key groove）P≦HC＜H（straight pilot punches）2.6≦P≦HC＜H（coating straight pilot punches）D＋0.1≦HC＜H（tip R・tapered pilot punches fixed in stripper plate）2.6≦P＋0.1≦HC＜H（tip R・tapered straight pilot punches fixed in stripper plate）HHC4≦TC＜5（coating straight pilot punches）CPBP　χPLTχ1 82530●Alter the tip“B”dimension.Range of designation2≦BC≦Bmax　　Unit of designationCBBCBCLCTCVV●Reduce the tip“P”dimension.Range of designationPC≧PminPC≧PminPC≧Pmin 0.01→Combined with PKC・PKCM・PKCZ can be Lapping type can be ●Reduce the head diameter“H”dimension.Range of designationD≦HC＜H●Reduce the head thickness“T”dimension.Range of designation2≦TC＜T Combined with 0.1→TKC can be The overall length L dimension is unchanged.For L（C）＜52,T≦20.●Alter“V”dimension.Range of designationD4〜6：V−0.5≦VC≦D−1.2Code@/PPC（200）Unit of designationPC dimension alteration may shorten the tip B dimension.　　For movable pilot, PC＜1.00, Bmax＝8Ymax＝YCmax（tip tapered type）.BC（200） 0.1For the tip length BC,BC≦（L−χ1）.　　Table 1TypePilot punches fixed in stripper platePilot punchesTapped pilot punchesPilot punches with key groovePilot punches with centre holeLC（200）40＜LC＜L（shoulder held pilot punches）Unit of designation 0.1For LC＜χ, the tip length BC＝L−χ1　　For LC＜52, T≦20（shoulder held pilot punches）.For D6・8 the overall length LC＜52, tip length B is 2〜10（shoulder held pilot punches）.HC（200）Unit of designation 0.1TC（200）Unit of designation 0.1→Combined with tip R・tapered type TKC,TKCM can be L is shortened according to（T−TC）.For pilot punches fixed in stripper plate，when LC is applied, L is equal to LC.Coating straight pilot punches fixed in stripper plate are not available.Shoulder held pilot punches.Range of designation13＜TC＜25Unit of designationVC（400）D8〜　：V−2≦VC≦D−1.2P≦VC 0.1Unit of designation298P dimension alterationB dimension alterationL dimension alterationH dimension alterationT dimension alterationV dimension alteration 0.001. Table 2,3,4Table 4Except for pilot punches fixed in stripper plateTip tapered・tip acute-angle typeP（C）Bmax 2 815203035450.300〜0.4990.500〜0.9991.000〜1.1991.200〜1.9992.000〜2.9993.000〜3.9994.000〜5.9996.000〜（60） Coating type　 Bmax＝（60）→（50）Table 4TypePilot punchesTapped pilot punchesPilot punches with key groovePilot punches with centre holeMovable pilot punchesMovable straight pilot punchesOther straight pilot punches25＋B（C）30＋B（C）15＋B 9＋B25 0.01.Add. For details, refer to the specific page please.Spec. 0.001. Table 2,3,4 Table 1Table 2Pilot punches fixed in stripper plateBmax 80.500〜0.999151.000〜1.1991.200〜1.99920242.000〜 P≧0.50 is available.Table 3Except for pilot punches fixed in stripper plateTip R typeBmaxP 2102035450.300〜0.4990.500〜0.9991.000〜1.9992.000〜3.9994.000〜5.999（60）6.000〜 Coating type　 Bmax＝（60）→（50） Table 4 Table 1 0.01.●Reduce the overall length“L”dimension.Range of designationχ≦LC＜L　　 Dimension AlterationGuide for Pilot Punches Addition