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measuring - Does the outer diameter of 4.78 indicate an M4 or an M5 bolt? - Home Improvement Stack Exchange
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Counter Sunk CSK M4 (4mm) x 20mm Steel MS Phillips Plus Screw SKU-15199 | Ronical Technologies LLP - Wide range of embedded electronics industrial engineering products like device programmers and automation products
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![measuring - Does the outer diameter of 4.78 indicate an M4 or an M5 bolt? - Home Improvement Stack Exchange measuring - Does the outer diameter of 4.78 indicate an M4 or an M5 bolt? - Home Improvement Stack Exchange](https://i.stack.imgur.com/Lc0Pbl.jpg)
measuring - Does the outer diameter of 4.78 indicate an M4 or an M5 bolt? - Home Improvement Stack Exchange
![terminology - What do the numbers in screw sizes M3, M4 etc. mean? - Home Improvement Stack Exchange terminology - What do the numbers in screw sizes M3, M4 etc. mean? - Home Improvement Stack Exchange](https://i.stack.imgur.com/oVr5u.jpg)
terminology - What do the numbers in screw sizes M3, M4 etc. mean? - Home Improvement Stack Exchange
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Diall M4 Cruciform Philips Pan head Zinc-plated Carbon steel Machine screw & nut (Dia)4mm (L)30mm, Pack of 20
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