Feature

●Dimensions: M4; Dimensions L: 0.4 inches (10 mm)
●Thread Pitch: 0.03 inches (0.70 mm); Strength Classification: Equivalent to A2-50
●Head diameter: 0.3 inches (7.6 mm); Head height: 0.09 inches (2.2 mm)
●Hex hole diagonal dimensions: 0.1 inches (2.5 mm); JIS B 1174 standard
●Stainless steel (SUS-XM7)


Description

The shape of the rounded head is also called button caps.
Head height is lower and wider than hexagonal bolt
● Head is more round than regular hexagonal bolts, so if you want to lower your head or not want to be noticed.
It is similar to the truss head that are called small screws.