Metric Machine Screws Sizes

Us hex bolts inches ansi asme b18 2 1 dimensions of hex bolts imperial units.

Metric machine screws sizes.

Asm makes it easy to order metric hardware including metric screws spacers and standoffs. Choose from our selection of metric machine screws including over 9 200 products in a wide range of styles and sizes. Standard metric machine screw sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150. Once you have selected one of our american standard parts you just need to add your metric requirement in the rfq.

Westfield fasteners carries stock of each size and type in our warehouse ready for immediate despatch. Make sure that you get the right sized screw. In stock and ready to ship. Us and metric fasteners thread sizes printable fastener chart.

The iso metric screw threads are the most commonly used type of general purpose screw thread worldwide. For example for a threaded spacer the metric requirement might be m 3 5 x 0 6 thread. 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. The pitch of a screw is typically less than 1 mm you would measure it as a decimal point of a mm.

Us bolts head and wrench sizes hex bolt lag bolt square bolt and heavy hex bolt. Citation needed the m designation for metric screws indicates the nominal outer diameter of the screw thread in millimetres e g an m6 screw has a. For nuts size will appear as diameter and pitch. 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.

There is an exception though if pitch isn t specified the fastener is coarse threaded. Us hex bolts metric ansi asme b18 2 3m dimensions of hex bolts metric units. They were one of the first international standards agreed when the international organization for standardization iso was set up in 1947. The size of a metric screw or bolt is specified as diameter pitch and length in millimeters millimeters is abbreviated mm.

Most screws in the metric system have 1 pitch that corresponds to each diameter. For instance 2 mm screws have a pitch of 0 4 mm. Us machine screws.