M5 Bolt Head Size

Nominal diameter is more of a label than a size.

M5 bolt head size.

Print this page. 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. For example a bolt and nut may be described as being diameter. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than m36.

But neither the external threads of the bolt nor the internal threads of the nut are exactly 500 in diameter. Width of nut across flats. The m3 and m4 nominal screw sizes have two drilled holes spaced 180 degrees apart. In fact the bolt diameter is a little smaller and the nut diameter a little larger.

The shank size of bolts affixed into a solid surface can be determined by measuring the head s dimension and dividing by 1 8. 8 6 5 m12 18. Choose from top trade brands. Non preferred threads according to standard.

The width of the hexagon nuts across flats s is specified in iso 898 2 table a 1 for bolt sizes m5 to m39. Get free shipping on qualified m5 screws or buy online pick up in store today in the hardware department. For typical coarse pitch thread bolts the standard sizes are. The diameter between flat sections on a structural metric bolt s head is always 1 8 times the diameter of its shank.

Bolt diameter head and wrench size. 10 8 6 m14 21. Metric hex nut dimensions calculator. All dimensions are given in millimeters.

All tolerances are plus and minus. Hex bolt lag bolt. Thousands of customer product reviews. Nominal screw sizes m5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes.

Buy online collect in hundreds of stores in as little as 1 minute. An m10 bolt with a 10 mm shank features a hex head that s 16 mm across. M5 8 8 4 3 2 5 m6 10 10 5 4 3 m7 11 11 m8 13 13 6 5 4 m10 16. Hex head widths width across flats spanner size are for din 934 hex nuts and hex head bolts.