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. 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 bolts: metric standards. Standards for metric bolts are promulgated by the ISO, but adopted by individual nations.. Dimensions. A table of major diameters and pitches, up to 30 mm in diameter .. Thread classes of fit. Please go here.. Property classes. In metric bolts , strength is described by “property classes.”

Learn how to order metric screws, bolts machine screws with our Metric to SAE/SAE to Metric conversion information thread pitch charts. ORDERING METRIC SIZES . A Short Guide To Metric Nuts and Bolts Answers to the most Frequently Asked Questions Standard and Fine Pitch Th reads How to identify nut and bolt strength grades How nut and bolt herepare Maximum Tightening Torques Why specifi ed torque is sometimes lower than the maximum Spanner Sizes Versus Bolt / Nut thread size Metric Screw Thread Chart Metric Tap Size Tap Drill (Inches) Clearance Drill (Inches) . Standard Screw Thread Chart Standard Thread Size Tap Drill Size (Inches) Clearance Drill Size (Inches) . The clearance drill sizes listed are heremonly used sizes .

Dec 17, 1998 A metric ISO screw thread is designated by the letter M followed by the value of the nominal diameter D (the ideal maximum thread diameter for external thread or the ideal minimum diameter for internal one) and the pitch P, both expressed in millimetres and separated by the multiplication sign, (e.g., M81.25). 32 rows Metric Stud Bolt To Nut Size Chart. Our metric stud bolt to nut table is meant to help … Metric bolt conversion data for industrial bolts /rods, machine screws and small diameter fasteners from Elgin Fastener Group includes metric to standard bolt conversions. The chart below shows metric bolt conversions and DIN numbers for fasteners.

The following table chart defines standard metric external thread size M1.6 to M18 per. ANSI/ASME B1.13M-1995. These thread sizes and classes represent bolts …