EXOTAP VA-3 ® Ideal for Stainless Steel List 398 P310-311 Long Shank, Modified Bottom (2.5P-3P), Bottom (1.5P-2P) Threads Per Inch Neck Length EDP Number List Price Thread Limit No. of Tap Size Flutes OAL (Each) UNC UNF L1 Mod. Bottom Bottom 4 40 — H2 3 6 0.843 — 0143701 48.95 4 40 — H2 3 4 0.843 1766101 — 42.14 6 32 — H3 3 6 1.031 1766501 0143801 48.53 6 32 — H3 3 4 1.031 1766301 — 42.14 8 32 — H3 3 6 1.125 1766901 0143901 48.06 8 32 — H3 3 4 1.125 1766701 — 41.66 10 24 — H3 3 4 1.312 1767101 — 39.80 10 24 — H3 3 6 1.312 1767301 — 45.59 10 — 32 H3 3 6 1.312 1767701 0144001 45.59 10 — 32 H3 3 4 1.312 1767501 — 39.80 1/4 20 — H3 3 6 1.500 1768101 0144101 42.01 1/4 20 — H3 3 4 1.500 1767901 — 33.66 1/4 — 28 H3 3 6 1.500 1768301 0144201 42.01 5/16 18 — H3 3 6 1.687 1768501 0144301 43.85 5/16 — 24 H3 3 6 1.687 1768601 — 43.85 3/8 16 — H3 3 6 1.875 1768701 0144401 49.22 3/8 — 24 H3 3 6 1.875 1768801 0144501 49.22 7/16 14 — H3 3 6 — 1768901 0144601 52.23 7/16 — 20 H3 3 6 — 1769001 — 52.23 1/2 13 — H3 3 6 — 1769101 — 52.79 1/2 — 20 H3 3 6 — 1769201 — 52.79 5/8 11 — H3 4 6 — 1769301 — 70.43 Spiral Fluted Packed: 1 pc. Available Steam Oxide finish only. Neck length is designed for reaching 50% deeper holes than ANSI standard taps. * Shank diameter is ANSI (Is not necessarily smaller than diameter) Work Material Low Carbon Steel Med. Carbon High Carbon Steel Alloy Steels Die Steels Titanium High Nickel Alloy Stainless Steels Hardened Steels Aluminum Steel List No. Cast Iron 6061 7075 Casting 1010 1035 1045 1065 4140 4340 20 HrC 6AL4V (30 HrC) 20 HrC 300 400 17-4PH ~35 HrC 35-45 HrC 45-50 HrC 1018 398 good best www.osgtool .com 800.837.2223 225