M5 Bolt Hole Size

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.

M5 bolt hole size. Clearance hole chart for inch bolts and screws according to asme b18 2 8. Tap drill mm thread size. Drill size and clearance hole recommendations. All dimensions are recommendations only and are shown in mm.

Nominal screw sizes m5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes. Screw sizes are written in an alphanumeric code that can be difficult to decipher if you re not familiar with the system. Width of nut across flats. Metric clearance hole chart.

Sequences like 4 30 x 10 1 8 10 x 4 6 and m5 4 x 15 may seem meaningless but they say a lot and you need the right screw to do the job. The width of the hexagon nuts across flats s is specified in iso 898 2 table a 1 for bolt sizes m5 to m39. 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. Tap drill mm thread size.

The positioning of holes on opposite sides of the socket should be such that the hole alignment check plug will pass completely through the head without any deflection. They were one of the first international standards agreed when the international organization for standardization iso was set up in 1947. 0 0600 80 0447 3 64 0469 55 0520 52 0635 50 0700 1 0730 64 0538 53 0595 1 16 0625. M3 m3 5 m4 m5 m6 m7 m8 m10 m12 m14 m16 m18 m20 m22 m24 m27 m30 m33 m36 m39.

The allowable minor diameter indicates sizes from minimum to 6h but the fine threads smaller than m1 8 0 2 are 4h and that of smaller than m2 0 25 are 5h. For typical coarse pitch thread bolts the standard sizes are.