The fine-thread series (UNRF or UNF) is found mostly in automotive and aeronautical work. For fasteners … 1 1/2" - 12 1330 980 2970 2190 4820 3560 4mm x pitch = nominal thread dia. These are the M … This is represented by the last number in a metric bolt’s designation. Unified Screw Threads per. Shank Length. The metric system’s “pitch” is commonly viewed as the reverse of TPI in that it is the “DISTANCE” measured between two adjacent threads. Tightening Torque Clamp Load (lbs.) These are the first instance of mass-production techniques being applied to marine … THREAD 14 4 32 450 18 310 65 120 16 8 40 500 20 320 75 120 600 24 M30 350 70 M30 140 20 48 700 28 370 130 800 32 410 80 140 24 56 900 36 420 80 150 1,000 40 M36 500 90 M36 180 1,100 44 520 100 190 1,200 48 570 100 200 28 64 NOTES (1) In the above list, the values for size 40 to 350 mm indicate the bolt dimensions when an AVTS flange is used. Click To Download our Fastener Data Sheet Of Screw Thread Sizes. Threads per inch range from 28 threads for a 1/4-in.-diameter bolt to 12 threads for a 1-1/2-in.-diameter bolt. Do not use these values for standard metric internal thread design. Free Bolt Size Charts - Screw Charts - Nut Size Charts - All Charts are downloadable and printable pdf formats - Great Online Mechanics Tools for Metric and US. For a printable version of our chart, download our U-Bolt Length Chart PDF. Drill Size Chart for Number and Letter Gauges Gauge inch mm Gauge inch mm Gauge inch mm 104 0.0031 0.079 52 0.0635 1.613 A 0.234 5.944 103 0.0035 0.089 51 0.067 1.702 B 0.238 6.045 102 0.0039 0.099 50 0.07 1.778 C 0.242 6.147 101 0.0043 0.109 49 0.073 1.854 D 0.246 6.248 100 0.0047 0.119 48 0.076 1.93 E 0.25 6.35 All units in mm. Metric Thread 10 12 14 16 18 20 22 24 26 27 30 33 36 42 48 M 10x1.0 M 12x1.5 M 14x1.5 M 16x1.5 M 18x1.5 M 20x1.5 M 22x1.5 M 24x1.5 M 26x1.5 M 27x2.0 M 30x2.0 M 33x2.0 M 36x2.0 M 42x2.0 M 48x2.0 15/16 - 12 THREAD CHARTS • JIC – SAE • Metric/International VISIT US AT BRENNANINC.COM Tap Chart - UNC/UNF Threads Tap size NF/NC UNF/UNC Threads per inch Basic major dia (inches) Basic effective dia (inches) Basic minor dia of ext. Thread Size Chart. The tap size chart is a table that lists standard size taps, specifying the diameter and thread spacing, for fractional, metric, and screw sizes. ANSI/ASME B1.13M-1995. Types of Inserts There are two designs of Heli-Coil inserts… STANDARD, which provides a smooth free-running thread; and, SCREW-LOCK which provides self-locking … And when You find you need to purchase … of Threads/Inch BA BSW BSF BSP Major Dia. Fastener and Screw / Bolt Design, Formula and Calculations. Size Range: • UNC #2 through 1-1/2 • UNF #2 through 1-1/2 • Metric Coarse M2 through M39 • Metric Fine M8 through M39 Inserts are also available in UNEF, UNS, 8UN, 12UN, 16UN, Spark Plug and Pipe Thread. Class 2A for external threads has an allowance while class 2B for internal threads does not. There is no fine-thread standard for fasteners over 1-1/2 in. .com Inch and Metric Pouce et Métrique Thread Size Comparison Chart R8 Comparisons are for size only. threads with sizes of 1/4 inch and larger. Max. All sizes are in inches. This helps with thread spacing, which is important in determining the right drill bit size. mass, in kg, per 1 000 units size Min. British Standard Pipe BSP thread chart, BSP thread chart showing TPI and drill sizes. The thread pitch increases with the diameter in steps specified on a chart. An example of the use of the Whitworth thread is the Royal Navy's Crimean War gunboats. ANSI/ASME B1.1-1989 (R2001), R2001) Nomenclature, are used. Chart No 1 - Whitworth Threads Whitworth Form Threads (55 Deg Thread Angle) Dimensions in Inches except where stated Thread Form Data Tapping Drill Clearance Drill Diameter O/Diameter Core Pitch Depth Radius Effective Dia T.P.I Dec / Met / Frac Dec / Met / Frac 1/8" 0.1250 0.0930 0.0250 0.0160 0.0034 0.1090 40 0.1004 - 2.55mm 0.1299 - 3.30mm 3/16" 0.1875 0.1341 …