Metric Socket Head Bolt Size Chart

Definitions of terms are located below the chart.

Metric socket head bolt size chart.

Metric socket sizes chart. Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose. Not all sizes. Print this page.

Pitch mm diameter. Wrench and socket drive size chart wrench size hex key size wrench size hex key size inch size regular hex heavy hex socket head c s button flat soc c s metric size regular hex heavy hex socket head c s button flat soc c s 0 0 050 0 5 1 1 16 1 2 5 64 1 2. Metric stud bolt to nut size chart. How to tell the size of bolts bolts sizes measurement the size of a metric bolt is specified as diameter pitch and length in millimeters for example in m8 1 0 20 the m means the metric thread designation the digit 8 refers to the nominal diameter in millimeters 1 0 refers to the pitch and.

The m3 and m4 nominal screw sizes have two drilled holes spaced 180 degrees apart. Nominal screw sizes m5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes. Machine bolts can be divided into hex bolts and square bolts based on the head type. 11320 fm 529 rd bldg f houston texas 77041 tel 713 896 1166 fax 713 896 7879 tool size chart inch fasteners metric fasteners wrench sizes in hex key sizes in wrench hex key sizes mm diameter hex heavy hex diameter socket diameter hex socket 1 4 7 16 1 1 16 m3 5 50 2 50.

This chart contains information on number metric and fractional number socket head cap screws along with tap drill information. For example a thread pitch of 1 5 means that the distance between one thread and the next is 1 5mm. The thread pitch is the distance between threads expressed in millimetres measured along the length of the fastener. 1 4 drive 3 8.

In general smaller fasteners have finer thread so they have lower thread pitch. In the following charts you can find the sockets sizes in order for metric sockets and sae socket sizes. Spark plug sockets are a good example as are some wheel nuts. Conventional shallow sockets may not touch a nut or bolt before the top of the stud or bolt hits the top of the socket or you are working in a confined space.

Metric fasteners are specified with a thread pitch instead of a thread count. Use the dimensions of your bolt to determine the appropriate size nut. Bolt diameter mm head wrench size mm ansi iso din. Metric bolt head wrench size.

Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than m36.