GO =+ NO GO =-GO NOT GO GO NOT GO (.060) #0-80 UNF.0514 .0496 .0519 .0506 .0002 (.073) #1-64 UNC.0623 .0603 .0629 .0614 .0002 (.073) #1-72 UNF.0634 .0615 .0640 .0626 .0002 (.086) #2-56 UNC.0738 .0717 .0744 .0728 .0002 endstream endobj 29 0 obj <>>>/Metadata 10 0 R/Pages 26 0 R/Type/Catalog>> endobj 30 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]>>/Rotate 0/Type/Page>> endobj 31 0 obj <>stream Size Gauge BRITISH No. <> In the Unified National Series the ½ inch size has 13 threads per inch, but the American Standard was 12 threads per inch. 28 0 obj <> endobj Pink shading indicates secondary sizes inch Minor Dia Pitch Dia Major Dia Tap Drill Size 尺寸 Thread Designation螺紋規 格名稱 Class Min Max Min Max Min Max Basic 0.0118 30-318 UNM 2B 0.0085 0.0100 0.0098 0.0103 0.0120 0.0083 Thread Pitch in mm mm Coarse Fine Dia. h�bbd```b``�"+��$�d���� R�����"� R�XDJ��|�@��,�"e>�H~] ��xЮ� � T �30^�` �%6 Student Name: EASD TECHNOLOGY & ENGINEERING EDUCATION UNC - UNF THREAD CHART Tap size NF/NC UNF/UNC Threads per inch Basic major dia 19 jan 2018 C AT ALOG 1 4 R P: 1-800-265-8772 F: 1-888-252-6380 www. Below are some of the aspects of fine and coarse threads. Size Gauge Dia. NC and UNC threads are interchangeable, in an analogous manner like the metric and the ISO metric thread. The new term UNC is comparable with the ISO metric thread. /Shading <> endobj A tap drill chart is key in matching pairs of female and male thread that tightly secure together. 1 1/8-7 unc 7 1.1250 1.0322 .9497 .9704 63/64 1 1/8-12 unf 12 1.1250 1.0709 1.0228 1.0348 1 3/64 1 1/4-7 unc 7 1.2500 1.1572 1.0747 1.0954 1 7/64 1 3/8-6 unc 6 1.3750 1.2667 1.1705 1.1946 1 13/64 1 1/2-6 unc 6 1.5000 1.3917 1.2955 1.3196 1 11/32 1 3/4-5 unc 5 1.7500 1.6201 1.5046 1.5335 1 35/64 2-4.5 unc 4 1/2 2.0000 1.8557 1.7274 1.7594 1 25/32 45 0 obj <>/Filter/FlateDecode/ID[<1F0932EC1B8CD88F272A4F7E2F5379CC>]/Index[28 32]/Info 27 0 R/Length 96/Prev 127201/Root 29 0 R/Size 60/Type/XRef/W[1 3 1]>>stream %PDF-1.7 %���� *Note: Be careful with the symbol "UNS". 0 10-24 (UNC No.10) or 10-32 (UNF No.10) The basic profile of all UTS threads (UNC and … P=Thread pitch. UNC UNF UNEF 8UN NPT METRIC Dia. Often it is the corresponding dies and taps that you see together when buying either ones. 59 0 obj <>stream threads per Outside 60° (inc )) for tapping (mm) (mm) inch (T.P.I) diameter (mm) 2-64 UNF 1,90 0,40 64 2,18 3-56 UNF 2,15 0,45 56 2,51 4-48 UNF 2,40 0,53 48 2,84 6-40 UNF 2,95 0,64 40 3,51 8-36 UNF 3,55 0,71 36 4,17 10-32 UNF 4,10 0,79 32 4,83 12-28 UNF … UNC (Imperial) Thread Sizes (Generally used in the USA) 1/4″-20 5/16″-18 3/8″-16 Most common size in USA Metric Thread Sizes (Generally used outside of the USA) M8 M10 Most common size outside of the USA M6 Download and print this PDF as ‘a guide’ for measuring the threads of your existing table feet. FASTENER SIZE CHART 2531 E. Jensen Ave, Fresno, CA 93706 | P: 559-485-8658, F: 559-485-8674, E: info@frontierfastener.com www.frontierfastener.com Frontier Fastener makes no warranties as to the accuracy, completeness and reliability of the information on this page. Fine Thread Series 1/4 28 3274 90 in-lbs 130.9 in-lbs 3837 105.5 in-lbs 153.5 in-lbs 5/16 24 5226 180 261 6125 211 306 3/8 24 7905 27.2 ft-lbs 39.5 ft-lbs 9265 31.8 ft-lbs 46.3 ft-lbs 7/16 20 10684 43 62 12523 50 73 1/2 20 14396 66 96 16873 77 112 9/16 18 18268 94 137 21412 110 161 >> 1 0 obj No.8 - 32 UNC Number of screw threads(n): Number of screw threads per inch (25.4mm) Pitch (P): 1 inch (25.4mm) ÷ number of screw threads H= 0.866025 n ×25.4 H1 =