M5 Bolt Head Size

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M5 bolt head size.

Nominal diameter is more of a label than a size. The width of the hexagon nuts across flats s is specified in iso 898 2 table a 1 for bolt sizes m5 to m39. An m10 bolt with a 10 mm shank features a hex head that s 16 mm across. In fact the bolt diameter is a little smaller and the nut diameter a little larger.

Other usually smaller sizes may occur for reasons of weight and cost reduction. The shank size of bolts affixed into a solid surface can be determined by measuring the head s dimension and dividing by 1 8. Bolt diameter head and wrench size. Thousands of customer product reviews.

The axis of the head shall be located at a true position relative to the axis of the screw shank within a tolerance zone having a diameter equivalent to 6 of the specified maximum head diameter or the specified maximum width across flats of hex and hex flange heads regardless of feature size. But neither the external threads of the bolt nor the internal threads of the nut are exactly 500 in diameter. Buy online collect in hundreds of stores in as little as 1 minute. The diameter between flat sections on a structural metric bolt s head is always 1 8 times the diameter of its shank.

10 8 6 m14 21. Width of nut across flats. All dimensions are given in millimeters. For example a bolt and nut may be described as being diameter.

Print this page. 8 6 5 m12 18. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than m36. Nominal screw sizes m5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes.

The m3 and m4 nominal screw sizes have two drilled holes spaced 180 degrees apart. For typical coarse pitch thread bolts the standard sizes are. M5 8 8 4 3 2 5 m6 10 10 5 4 3 m7 11 11 m8 13 13 6 5 4 m10 16. All tolerances are plus and minus.

Metric hex nut dimensions calculator. M3 m3 5 m4 m5 m6 m7 m8 m10 m12 m14 m16 m18 m20 m22 m24 m27 m30 m33 m36 m39. Us bolt head wrench size. Hex bolt lag bolt.