The size of a metric screw or bolt is specified as diameter, pitch and length, in millimeters (millimeters is abbreviated mm). For nuts, size will appear as diameter and pitch. There is an exception though—if pitch isn't specified, the fastener is coarse threaded. Consider this size…. M8-1.0 x 20. Metric Hex Bolt Diameters and Thread Pitches mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 . Length is measured from under the head to the end of the bolt Note: Head sizes may differ from what is shown due to differences between metric standards . metric - size -chart-hex- bolt Metric Screw Thread Chart Metric Tap Size Tap Drill (Inches) Clearance Drill (Inches) . Outside Diameter of Screws mm inch mm inch 1.6 0.063 8.0 0.315 1.8 0.071 10 0.394 . The clearance drill sizes listed are heremonly used sizes .

With metric threads tapping drill size is easy to work out because it is the bolt diameter minus the thread pitch so, for example, a standard pitch M16 bolt has a pitch of 2.0mm so the tapping drill size is 16 - … metric bolt sizes Cancel. Did you mean: metric bolt size Apply Filters Hide Filters. Hex Bolts . M3 M4 M5 Metric Thread Size , DIN912 High Strength 12.9 Carbon Steel, Black Oxide Finish. by ADVcer. $21.55 $ 21 55 Prime. FREE Shipping on eligible orders. 3.5 out of 5 stars 4. See Details. Promotion Available See Details. Metric bolts are sized according to diameter, distance or spacing (in millimeters) between threads and length. For example a size of 12x1.75x30 translates to a bolt that is 12mm in diameter, has a distance of 1.75 between the threads and is 30mm long. Metric bolt sizes can also be listed as M6x1x25. This bolt is 6mm in diameter, has a distance of 1mm between threads and is 25mm in length .

14 rows Metric Bolt Head/Wrench Size . Print this page . Bolt Diameter (mm) Head/Wrench Size … 65 rows For example, for a Threaded Spacer, the metric requirement might be “M 3.5 x 0.6 Thread”. … 32 rows The bolt chart provides both US and metric sizes. NOMINAL DIAMETER (NOMINAL BOLT …