d k EXOCARB® Diamond OSG Patented Diamond Coated Taps for High SiC Aluminum, MMC, and Carbon Fiber List 329 CARBIDE DIA DIA-OTT, UNJC, UNJF, DIN Overall Length, Modified Bottom (2.5P-3P) Lc Ln L lk Tap Size Classof Fit No. ofFlutes EDP NumberModified Bottom(2.5P - 3P)DINOverallLengthThreadLengthNeckLengthShankDia.Square SquareWidthLength Diamond L Lc Ln d k lk 4 - 40 UNC 2B3B6 - 32 UNC2B3B38 - 32 UNC2B3B3297016329121632971163291316329721632914160.299 0.7082.26 0.140 0.109 0.1880.7870.3742.550.8260.1670.131 10 - 24 UNC 2B3B10 - 32 UNF2B3B 329731632915163297416 0.2512.830.5000.9840.1940.1513291616 1/4 - 20 UNC 2B3B1/4 - 28 UNF5/16 - 18 UNC2B3B2B43B5/16 - 24 UNF2B3B3/8 - 16 UNC2B3B3/8 - 24 UNF2B3B7/16 - 14 UNC2B3B7/16 - 20 UNF1/2 - 13 UNC2B3B2B53B1/2 - 20 UNF2B3B3297516329171632976163.230.6061.1880.2550.1900.28732918163297716329851632978163.540.6650.3170.2380.374329861632979161.377329871632980160.7510.3800.2850.437329881632981163.93-329891632982160.858--0.3220.2420.4053299016-3298316-329911632984164.330.921--0.3670.2740.4373299216- Packed: 1 pc. Available Diamond coating only. *3B fit taps conform to UNJ Aerospace internal threading applications. Work Material P M K N S Other Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCast30040017-4 PHIronAluminum60617075CastingNickelAlloyTitaniumInconel6Al4V(30 HRC)MMCCopperAlloysFiberglassCobalt-Chrome 329 SFM 60-160 55-120 30-60 40-80 30-60 good best 558 Straight Fluted Taps WWW.OSGTOOL.COM