ISO 4762 Hex Socket Head Cap M3x25 bolt
ISO 4762 Hex Socket head Cap M3x20 screw
ISO 4762 Hex Socket head Cap M3x10 bolt
Merge pull request #23 from Obijuan/master

ISO 4762 Hex Socket Head Cap M3 bolts added (M3x25, M3x20, M3x10)