Metric Machine Screws Sizes

Choose from our selection of metric machine screws including over 9 200 products in a wide range of styles and sizes.

Metric machine screws sizes.

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. Asm makes it easy to order metric hardware including metric screws spacers and standoffs. Us hex bolts metric ansi asme b18 2 3m dimensions of hex bolts metric units. For instance 2 mm screws have a pitch of 0 4 mm.

The pitch of a screw is typically less than 1 mm you would measure it as a decimal point of a mm. Us machine screws. Westfield fasteners carries stock of each size and type in our warehouse ready for immediate despatch. Us hex bolts inches ansi asme b18 2 1 dimensions of hex bolts imperial units.

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. Most screws in the metric system have 1 pitch that corresponds to each diameter. In stock and ready to ship. For nuts size will appear as diameter and pitch.

Us and metric fasteners thread sizes printable fastener chart. The size of a metric screw or bolt is specified as diameter pitch and length in millimeters millimeters is abbreviated mm. Once you have selected one of our american standard parts you just need to add your metric requirement in the rfq. There is an exception though if pitch isn t specified the fastener is coarse threaded.

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. 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. 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.

How to order metric parts. Standard metric machine screw sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150. For example for a threaded spacer the metric requirement might be m 3 5 x 0 6 thread.