M5 Bolt Hole Size

Tap drill mm thread size.

M5 bolt hole size.

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. Nominal screw sizes m5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes. Clearance hole chart for inch bolts and screws according to asme b18 2 8. They were one of the first international standards agreed when the international organization for standardization iso was set up in 1947.

For typical coarse pitch thread bolts the standard sizes are. 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. 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.

Screw sizes are written in an alphanumeric code that can be difficult to decipher if you re not familiar with the system. The width of the hexagon nuts across flats s is specified in iso 898 2 table a 1 for bolt sizes m5 to m39. Tap drill mm thread size. 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.

All dimensions are recommendations only and are shown in mm. 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. When so specified by the purchaser the edges. Drill size and clearance hole recommendations.

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. The iso metric screw threads are the most commonly used type of general purpose screw thread worldwide.