Millimetres mm. Thread pitches, inches, UNC/UNF. We provide you with all types of fasteners and connections – everything from basic joints with screws, bolts or nuts, to connections with threaded sleeves, threaded bars, tension rods or fasteners for steel construction. In addition to our extensive range comprising approximately 30,000 H= Height of the Fundamental Triangle: (Cos 30 / TPI) or (Cos 30 x P) FLANK ANGLES are made up of the two half angles of 30° each for. the 60° included angle. MAJOR DIAMETER is at P/8 or 0.125P. PITCH DIAMETER is at P/2 or 0.500P. MINOR DIAMETER is at P/4 or 0.250P for UN or UNJ is at 5P/16 or .3125P. TapChart UNC/UNF Threads - provides tap sizes, drill sizes, pitch, (threads per inch) basic major diameter, basic effective diameter, basic minor diameter of external threads, and basic minor diameter of internal threads for UNC/UNF threads. Tap size. NF/NC UNF/UNC. Threads per inch. UNJFUnified fine thread SAE AS8879D Recommended Drill Sizes for Tapping Internal UNJ Threads Threads for the aerospace industry Nominal size （inch） D P min [inch] max [inch] Drill size Decimal inch No.4 No.5 No.6 No.8 Purchase9/16-18UNF-2B-V-DC-MT-DIN2184-1 HSS Tap DIN Zero Tap Series V-DC-MT, UNF DIN 2184-1 from OSG, FA & metal molding parts, industrial tools and consumables. NOTE : Windows 7 users won’t be able to use some latest features of eCatalog/WOS since Microsoft is ending support for Windows 7 on 14 Jan, 2020. Choosefrom our selection of 3/4"-16 nuts, including over 150 products in a wide range of styles and sizes. UNF. UNJ/UNJF (JIC) Thread Fit. Acme Class 2C. Unified Standard Class 2B. Unified Standard Class 3B. With threads that tighten to the left and made of 316 stainless steel, these nuts won’t loosen from counterclockwise motion in UNSUnified National Thread. UNS screw threads that have special combinations of diameter and pitch with tolerance to Unified formulation have the basic form designation set out first followed always by the limits of size. #10 - 1/4" 5/16" - 1/2" 9/16" - 1" 1 1/8"- 1 7/8" 2"- 2 1/2" 2 3/4" - 3 3/4" 4" - 6". Nominal Size. External (b) Internal inchMinor 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 .

3 4 16 unf 2b thread dimensions