d k HY-PRO® Premium Design for a Wide Range of Materials List 280 (Continued) HSSE TiCN S/O BR Plug (3.5P-4.5P) Lc Ln L lk Tap Size Plug (3.5P - 4.5P)ThreadNo. ofLimitFlutesEDP NumberCoating SuffixOverallThreadNeckShankSquareSquareLengthLengthLengthDia.WidthLength Bright S/O TiCN L Lc Ln d k lk 1/4 - 20 UNC H7H11 28548 00 01 0828550000108 H2 28096 00 01 08 H3 28304 00 01 08 H4 28354 00 01 08 2.50 0.594 0.996 0.255 0.190 0.311 1/4 - 28 UNF H5 28404 00 01 08 H6 28405 00 01 08 H7 28406 00 01 08 H11 28407 00 01 08 H3 28308 00 01 08 5/16 - 18 UNC H5H7 28408 00 01 0828556000108 0.665 1.125 H11 28558 00 01 08 H2 28264 00 01 08 H3 28312 00 01 08 2.72 0.317 0.238 0.374 H4 28362 00 01 08 5/16 - 24 UNF H5 28412 00 01 08 0.657 1.118 H6 28413 00 01 08 H7 28414 00 01 08 H11 28415 00 01 08 H3 28316 00 01 08 3/8 - 16 UNC H5H7 28416 00 01 0828564000108 0.751 1.251 H11 28566 00 01 08 H2H3 3 2826828318 0000 0101 0808 2.93 0.380 0.285 0.437 H4 28368 00 01 08 3/8 - 24 UNF H5 28418 00 01 08 0.740 1.240 H6 28419 00 01 08 H7 28417 00 01 08 H11 28568 00 01 08 H3 28320 00 01 08 7/16 - 14 UNC H5H7 28420 00 01 0828421000108 H11H3 2842328322 0000 0101 0808 3.15 0.858 1.291 0.322 0.242 0.405 7/16 - 20 UNF H5H7 28422 00 01 0828425000108 H11 28430 00 01 08 H3 28324 00 01 08 1/2 -13 UNC H5H7 28424 00 01 0828428000108 H11 28574 00 01 08 H2 28276 00 01 08 3.37 0.921 1.354 0.367 0.274 0.437 H3 28326 00 01 08 1/2 - 20 UNF H5 28426 00 01 08 H7 28427 00 01 08 H11 28429 00 01 08 9/16 - 12 UNC9/16 - 18 UNFH3 2857628578 0000 0101 0808 3.59 1.000 1.472 0.429 0.322 0.500 Packed: 1 pc. EDP’s listed above are stocked standard, other coatings available upon request. Specify treatment at time of order. 536 Spiral Pointed Taps WWW.OSGTOOL.COM