Metric Screw Thread Chart. Metric Tap Size Tap Drill (Inches) Clearance Drill (Inches). M1.6 x 0.35 #55 (0.052) #50 (0.070). M1.8 x 0.35 #53 (0.057) #48 (0.0.76). M2 x 0.4 #52 (0.063) #45 (0.082). M3 x 0.5 #39 (0.0995) 1/8 (0.125). M3.5 x 0.6 #32 (0.116) #28 (0.140). M4 x 0.7 #29 (0.136) # Dec 17, 1998 ISO metric screw thread. They were one of the first international standards agreed when hereanization for Standardization was set up in 1947.  The M designation for metric screws indicates the nominal outer diameter of the screw, in millimeters (e.g., an M6 screw has a nominal outer diameter of 6 millimeters). 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.
Thread Gauge - Inch Metric Sizes - Nuts, Bolts Screws Measuring Identification Tool. by RAW PRODUCTS CORP. $48.95 $ 48. 95. FREE Shipping. Screw Chek’r SAE/ Inch Screw Thread Size Gauge (No. 1 to 5/16) 1/8 Inch Heavy Gauge Steel Screw Checker, Made … Choose from our selection of metric screws , including over 10500 products in a wide range of styles and sizes . In stock and ready to ship. Contact Us Order Activity Punchout Log in , we will send you an email with a link to create a password. Create password To create your password, open the email from McMaster-Carr Sales. 168 rows External Metric Thread Table Chart and Fastener Sizes M1.6 - M18. Do not use these …
Shop our selection of Metric , Screws in the Hardware Department at The Home Depot. Metric Machine Screws Tap Drills Chart This table is the chart for publication of information of metric machine screws , along with tap and clearance drill information. If all else fails, you may want to use our Drill Size Conversion Table or our Tap Drill Size Calculator . Basic Metric Thread Chart (M1 – M100) M10 1.5 1.25 1 0.75 M12 1.75 1.5 1.25 1 M14 2 1.5 1.25 1 M18 2.5 2 1.5 1 M20 2.5 2 1.5 1 M22 2.5 2 1.5 1 M30 3.5 3 2 1.5 M33 3.5 3 2 1.5.
Tap Clearance Drill Sizes Tap Drill Clearance Drill Screw Size Major Diameter Plastics Threads Per Inch Minor Aluminum, Brass, Diameter 75% Thread for 50% Thread for Steel, Stainless, Iron Close Fit Free Fit Drill Size Dec. Eq. Drill Size Dec. Eq. Title. Metric screw size.