
d k S. T. I. EXOTAP VA-3® SCREW THREAD INSERT Ideal for Stainless Steel List 301 HSSE V S/O STI Spiral Pointed, Plug (3.5P-4.5P) Lc Ln L lk Plug (3.5P - 4.5P)Tap SizeThreadNo. ofLimitFlutesEDP NumberCoating SuffixOverallThreadNeckShankSquareSquareLengthLengthLengthDia.WidthLength S/O V L Lc Ln d k lk 2 - 56 UNC 17124 01 08 1.88 0.259 0.570 3 - 48 UNC4 - 40 UNCH2 2 301001171254 - 48 UNF301002010101 080808 1.94 0.307 0.633 0.140 0.109 0.1882.000.3620.700 6 - 32 UNC6 - 40 UNFH3 1712617127 0101 0808 2.38 0.440 0.877 0.194 0.151 0.25130100301082.120.3810.7590.1670.131 8 - 32 UNC H2H3 17128 01 08171290108 2.38 0.440 0.940 0.220 0.164 0.279 8 - 36 UNF H210 - 24 UNCH310 - 32 UNFH2H3301004 01 08301005010830100617130010108082.500.5901.007 0.255 0.190 0.311171310108 1/4 - 20 UNC H2H3 3010073010081/4 - 28 UNFH2H35/16 - 18 UNCH417132171333010093010115/16 - 24 UNFH23H33/8 - 16 UNCH430101217134301013301014010101010101010101010808082.720.7081.1330.3170.2380.374080808082.940.7911.2630.3800.2850.3970808083.370.9211.3540.3670.2740.437 3/8 - 24 UNF H2H37/16 - 14 UNCH4 301015301016 0101 0808 3.15 0.858 1.291 0.322 0.242 0.405301017301018010108083.591.0001.4720.4290.3220.500 7/16 - 20 UNF H3H4 301019301021 0101 0808 3.37 0.921 1.354 0.367 0.274 0.437 1/2 - 13 UNC H3H4 301022301023 0101 0808 3.81 1.090 1.562 0.480 0.359 0.562 1/2 - 20 UNF H3H4 301024301025 0101 0808 3.59 1.000 1.472 0.429 0.322 0.500 9/16 - 12 UNC H3H4 301026301027 0101 0808 4.03 1.200 1.712 0.542 0.405 0.629 9/16 - 18 UNF H3H4 301028301029 0101 0808 3.81 1.090 1.562 0.480 0.359 0.562 Packed: 1 pc. EDP’s listed above are stocked standard. Available in Steam Oxide or V coatings as shown above. Work Material P M K N S H Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCast30040017-4 PHIronAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-5050-70HRCHRCHRC 301 SFM 25-80 20-50 20-45 20-45 20-45 8-20 good best WWW.OSGTOOL.COM STI Taps 619