Metric Machine Screws Sizes

Make sure that you get the right sized screw.

Metric machine screws sizes.

The size of a metric screw or bolt is specified as diameter pitch and length in millimeters millimeters is abbreviated mm. Standard metric machine screw sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150. For nuts size will appear as diameter and pitch. 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.

Us hex bolts metric ansi asme b18 2 3m dimensions of hex bolts metric units. Choose from our selection of metric machine screws including over 9 200 products in a wide range of styles and sizes. How to order metric parts. There is an exception though if pitch isn t specified the fastener is coarse threaded.

Once you have selected one of our american standard parts you just need to add your metric requirement in the rfq. Sizing the right screw can be complicated unless you are familiar with the various screw sizings that are quoted on the packaging often both in imperial and metric. Most screws in the metric system have 1 pitch that corresponds to each diameter. Us hex bolts inches ansi asme b18 2 1 dimensions of hex bolts imperial units.

The pitch of a screw is typically less than 1 mm you would measure it as a decimal point of a mm. In stock and ready to ship. Westfield fasteners carries stock of each size and type in our warehouse ready for immediate despatch. Us machine screws.

Bolts and machine screws metric presented on this page is our current range of metric threaded bolts and machine screws to be used in conjunction with the equivalent metric sized nuts and washers. Us bolts head and wrench sizes hex bolt lag bolt square bolt and heavy hex bolt. Asm makes it easy to order metric hardware including metric screws spacers and standoffs. They were one of the first international standards agreed when the international organization for standardization iso was set up in 1947.

Size of screws and metric to imperial screw conversion chart and how to identify the diameter and length of imperial and metric screws. The iso metric screw threads are the most commonly used type of general purpose screw thread worldwide. Us and metric fasteners thread sizes printable fastener chart.