Rack mount & server screws
Sizes
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- M6 x 16mm + cage nut — the modern 19" rack standard
- M5 x 12–16mm + cage nut — older and lighter European racks
- 10-32 and 12-24 — North American tapped-rail racks
- 6-32 and M3 — inside servers for drives and cards
What it fits
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Common mistakes
Never mix cage-nut sizes in one rack — an M6 screw started into an M5 cage nut destroys both. Nylon washers keep painted rails from chipping.
Rack screw kits ship 20–50 screws with matching cage nuts and washers.
Buy rack mount & server screws
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