Stainless Steel - Inch PerformanceStyles: PER-893SF and PER-980SF Replace Premium HSS with aboveHSS-E Blind Holes DIN withASMESHANK 38° SpiralFlute Modied Bottom 2-3 NoteSurface TreatmentTapping Speeds and Feeds begin on page 196. Black OxideHardlube Lld1 tap size overall thread order number and pitch thread decimal no. of class shank length length Black Oxide Hardlube d1 (in) form equiv. flutes of fit diameter L (in) l (in) PER-893SF PER-980SF 2-56UNC0.086032B0.1411.7720.551C89301C98001 3-48UNC0.099032B0.1411.9690.591C89302C98002 4-40UNC0.112032B0.1412.2050.669C89303C98003 4-48UNF0.112032B0.1412.2050.669C89304C98004 5-40UNC0.125032B0.1412.2050.748C89305C98005 6-32UNC0.138032B0.1412.2050.787C89306C98006 6-40UNF0.138032B0.1412.2050.787C89307C98007 8-32UNC0.164032B0.1682.4800.827C89308C98008 8-36UNF0.164032B0.1682.4800.827C89309C98009 10-24UNC0.190032B0.1942.7561.024C89310C98010 10-32UNF0.190032B0.1942.7561.024C89311C98011 12-24UNC0.216032B0.2203.1501.063C89312C98012 12-28UNF0.216032B0.2203.1501.063C89313C98013 1/4-20UNC0.250032B0.2553.1501.260C89314C98014 1/4-28UNF0.250032B0.2553.1501.260C89315C98015 5/16-18UNC0.312532B0.3183.5431.378C89316C98016 5/16-24UNF0.312532B0.3183.5431.378C89317C98017 3/8-16UNC0.375032B0.3813.9371.732C89318C98018 3/8-24UNF0.375032B0.3813.9371.732C89319C98019 7/16-14UNC0.437532B0.3233.9371.614C89320C98020 7/16-20UNF0.437532B0.3233.9371.614C89321C98021 1/2-13UNC0.500032B0.3674.3311.535C89322C98022 1/2-20UNF0.500032B0.3674.3311.535C89323C98023 9/16-12UNC0.562542B0.4294.3311.772C89324C98024 9/16-18UNF0.562542B0.4294.3311.772C89325C98025 5/8-11UNC0.625042B0.4804.3312.087C89326C98026 5/8-18UNF0.625042B0.4804.3312.087C89327C98027 3/4-10UNC0.750042B0.5904.9212.205C89328C98028 3/4-16UNF0.750042B0.5904.9212.205C89329C98029 7/8-9UNC0.875042B0.6975.5122.362C89330C98030 7/8-14UNF0.875042B0.6975.5122.362C89331C98031 1-8UNC1.000042B0.8006.2992.520C89332C98032 1-12UNF1.000042B0.8006.2992.520C89333C98033 continued on next page
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