Best Cage Nuts and Rack Mounting Hardware
Cage nuts, rack screws and the kits that pair them — matched to the rack's hole standard, the mounting thread and the pack size a real build actually consumes.
Cage nuts and rack mounting hardware in stock at Uniqcli
How to choose →A curated selection with live pricing — in-stock lines first, then back-ordered lines with a typical lead time. Every line is sourced through US distribution and screened for NDAA §889 status before checkout, with TAA verified on request.
- RocstorRocstor M5 Rack Cage Nuts - 100 Pack - Cage Nut - Stainless Steel, Steel - Black - 100 / PackY10E079-B1
$21.95
$19.27
99 in stock - StarTech.comStarTech 10-32 Cage Nuts, 50 pack, Black (CABCAGENUTS1032), TAA - This 50 pack of 10-32 cage nuts are convenient to have on hand for installing rackmount equipment securely into your server rack - The square hole rack nuts come in an all-black finish for a seamless look - TAA compliant for GSA Schedule purchasesCABCAGENUTS1032
$28.69
$26.39*
657 in stock
10-32 rack screws
Rack Solutions
Rack Solutions 10-32 x 1/2in Pan Head Phillip Drive Pilot Point Screw…
SCREW-1032-500-25PK
Rack Solutions 10-32 pan-head pilot-point rack screws in a 25-pack — the imperial mounting screw for a 10-32 rack, with the pilot point that starts the thread square instead of cross-threading it.
$4.17Back-ordered10-32 cage nuts
Rack Solutions
Innovation Cage Nuts 10-32 (25 Pack)
CAGENUT-1032-25PK
Rack Solutions 10-32 cage nuts in a 25-pack — the clip-in threaded seat that turns a square-hole rack into a 10-32 mounting surface for shelves, rails and equipment.
$11.39Back-orderedM6 cage nuts
Rack Solutions
Rack Solutions M6 Cage Nuts 25-Pack
CAGENUT-M6-25PK
Rack Solutions M6 spring-steel cage nuts in a 25-pack — the metric standard on most modern racks, in the spring steel that resists stripping under repeated use.
$11.39Back-ordered12-24 cage nuts
Rack Solutions
Rack Solutions 12-24 Cage Nuts 25-Pack
CAGENUT-1224-25PK
Rack Solutions 12-24 cage nuts in a 25-pack — the coarser imperial thread found across an older installed base, matched to a 12-24 rack and its screws.
$11.39Back-orderedM5 cage nuts, black
StarTech.com
StarTech M5 Cage Nuts, 50 Pack, Black, M5 Mounting Cage Nuts for Server…
CABCAGENUTSB
StarTech M5 mounting cage nuts in a 50-pack, black — the metric cage nut in the pack size a real build consumes, for a square-hole server rack or cabinet.
$14.71*In stockM6 cage nuts, TAA
StarTech.com
StarTech 50 Pkg M6 Cage Nuts for Server Rack Cabinet, TAA
CABCAGENUTS6
StarTech M6 cage nuts for server rack cabinets in a 50-pack — the metric standard by the box, ordered as a TAA-marked part number.
Its title reads TAA. TAA and standard variants are different SKUs, so we screen and document the exact part number on the quote rather than the model family.
$24.51*In stock10-32 cage nuts, TAA
StarTech.com
StarTech 10-32 Cage Nuts, 50 pack, Black (CABCAGENUTS1032), TAA
CABCAGENUTS1032
StarTech 10-32 cage nuts in a 50-pack, black — the imperial thread by the box for a 10-32 rack, ordered as a TAA-marked part number.
Its title reads TAA. TAA and standard variants are different SKUs, so we screen and document the exact part number on the quote rather than the model family.
$26.39*In stockM6 screws with tool
StarTech.com
StarTech Rack Screws, 20 Pack, Installation Tool, 12 mm M6 Screws, M6…
CABSCRWM620
StarTech 12 mm M6 rack screws in a 20-pack with the installation tool and matching M6 nuts included — the screw, the nut and the seating tool in one part number for an M6 rack.
$26.39*In stockMiddle Atlantic 10-32
Legrand
Middle Atlantic 10-32 Rack Screws
HPS
Middle Atlantic 10-32 truss-head rack screws in a 25-count — the AV-rack standard screw with the wide truss head that spreads the load across a rail hole.
$22.13In stockM5 screws + cage nuts
Rocstor
Rocstor M5 Rack Screws and M5 Cage Nuts
Y10E080-S1
Rocstor M5 rack screws paired with M5 cage nuts in a 20-pack — the combined kit that removes the mismatch risk entirely, shipping the nut and the screw that threads into it together.
$19.95In stockM5 cage nuts, 100-pack
Rocstor
Rocstor M5 Rack Cage Nuts
Y10E079-B1
Rocstor M5 stainless-steel rack cage nuts in a 100-pack — the metric cage nut in the fleet pack, in stainless for cabinets that see humidity or need corrosion resistance.
$19.27In stock4XEM M6 kit
4XEM
4XEM 50 Pkg M6 Rack Mounting Screws and Cage Nuts For Server…
4XM6CAGENUTS
4XEM M6 rack mounting screws and cage nuts in a 50-pack — a combined metric kit for a server rack, pairing the M6 nut with its matching screw so a build cannot be mismatched.
$29.12In stock4XEM M5 kit
4XEM
4XEM 50 Pkg M5 Rack Mounting Screws and Cage Nuts For Server…
4XM5CAGENUTS
4XEM M5 rack mounting screws and cage nuts in a 50-pack — the M5 combined kit for racks and equipment on the finer metric thread, in the pack size a full cabinet consumes.
$29.12In stockPanduit bonding kit
PANDUIT
Panduit StructuredGround Bonding Cage Nut Kit
CNB4K
A Panduit StructuredGround bonding cage-nut kit — cage nuts that also carry the rack's grounding path, for a cabinet whose bonding and equipment fastening are specified together.
$30.06Back-orderedCage-nut tool
Rack Solutions
Rack Solution World's Best Cage Nut Tool
106-7566
The Rack Solutions cage-nut tool with a rubber grip — the few-dollar tool that turns seating and removing cage nuts from a thumb-shredding chore into a two-second clip across a whole rack.
$27.78Back-orderedPanduit 12-24 screws
PANDUIT
Panduit S1224-C Mounting Screw
S1224-C
Panduit 12-24 mounting rack screws in a 100-count — the imperial mounting screw by the box for a 12-24 rack, sized for a full build rather than a single shelf.
$34.00Back-orderedMore rack hardware in the Uniqcli catalog
See all 219 rack hardwareMore from across this category. In-stock lines lead, and a back-ordered line carries the same estimated availability its product page does — with live pricing throughout, NDAA §889 screening before checkout and TAA verified on request.
- LegrandMiddle Atlantic Threaded Ganging Kit for BGR and SNE Racks - BoltGANG-10T
$1,590.00
$1,261.91
20 in stock - LegrandMiddle Atlantic 12-24 Rackscrews - 500 Pieces - Rack Screw - 0.75" - Philips - Nylon - Black - 1 PackHP24500
$238.00
$188.90
15 in stock - StarTech.comStarTech 50 Pkg M5 Mounting Screws and Cage Nuts for Server Rack Cabinet, TAA - Install your rack-mountable hardware securely with these high quality screws and nuts - M5 Screws - Rack Screws - Rack Nuts - Cage Nuts - CageNuts - 50 Pkg M5 Mounting Screws & Cage Nuts for Server Rack CabinetCABSCREWM5
$53.29
$49.03*
182 in stock
Need pricing on cage nuts and rack mounting hardware?
Tell us where to reach you and a Uniqcli specialist will follow up by email with current pricing, availability and lead time for the quantities you need — including parts that aren’t shown on this page.
Buying for an organization or for yourself — both work. No payment up front.
A square-hole rack takes no screw directly: a cage nut clips into the square hole and presents a threaded seat for the mounting screw. The one hard question is the thread standard — M6 or M5 on most current racks, 10-32 or 12-24 across the imperial installed base — and the cage nut, the screw and the equipment all have to agree on it. Buy the pack size a full rack actually consumes.
Cage nuts are the small part that decides whether a rack build goes cleanly or stalls with a shelf held up by two screws and a prayer. A square-hole rack does not accept a screw directly; a cage nut clips into the square hole and presents a threaded seat, and the screw that mounts the equipment threads into that. Get the standard wrong and nothing lines up, so the first and only hard question is which thread the rack and the equipment use: M6 and M5 are the metric standards common on modern racks, while 10-32 and 12-24 are the imperial threads still found across a large installed base. The cage nut, the screw and the rack's holes all have to agree, and mixing them is the quiet cause of a stripped thread or a bracket that will not sit flat.
Beyond the thread, the choices are pack size, material and the pieces that make the job faster. Buy cage nuts and screws by the pack a build actually consumes — a full rack of equipment eats them by the dozen, and running out mid-install is a truck roll for a bag of nuts — and keep a standard on the shelf so every cabinet is fastened the same way. Combined kits that pair the right cage nut with the matching screw remove the mismatch risk entirely and are the sane default for a fleet of identical racks. Spring-steel or stainless cage nuts resist stripping and corrosion in the cabinets that see humidity or vibration, and a cage-nut tool turns the single most thumb-shredding task in a rack build into a two-second clip. Uniqcli quotes the fastening hardware alongside the rack, the shelves and rails, the PDUs and the cable management it belongs with, so the small parts arrive with the build instead of holding it up.
Buyer's checklist
How to choose cage nuts and rack hardware
- Confirm the thread standard the rack and the equipment use — M6 or M5 on most modern racks, 10-32 or 12-24 across the imperial installed base — and match the cage nut, the screw and the rack holes to it.
- Buy combined cage-nut-and-screw kits where you can: pairing the right nut with the matching screw removes the mismatch that strips a thread or leaves a bracket sitting proud.
- Size the pack to the build: a full rack of equipment consumes cage nuts and screws by the dozen, so buy the 25-, 50- or 100-count pack the install needs rather than the handful a single shelf takes.
- Choose the material for the environment: spring-steel and stainless cage nuts resist stripping and corrosion in cabinets that see humidity or vibration, which matters more than it looks on a parts list.
- Add a cage-nut installation tool for any real build — seating cage nuts by thumb is slow and hard on the hands, and the tool turns each one into a two-second clip.
- Where the order names TAA, read it on the part number — TAA-marked hardware exists under separate SKUs, and it is a per-part fact to verify on the exact item you order.
Getting the thread standard right the first time
Almost every cage-nut problem traces back to a thread mismatch that was invisible until a screw would not bite. The metric standards — M6 most commonly, M5 on some equipment — dominate modern racks, while 10-32 and 12-24 are the imperial threads still widespread across an older installed base, and the two families do not interchange. The disciplined approach is to standardise per rack archetype: decide the thread once for every network cabinet and once for every server cabinet, stock the matching cage nuts and screws in that standard, and label the spares so a late-night shelf install does not become a scavenger hunt. Where a rack and its equipment arrive with different expectations, resolve it before the build rather than during it, because a stripped cage nut in a populated cabinet is a far worse problem than a five-minute check on the order.
Kits, tools and buying with the rack
The cheapest way to avoid a mismatch is to stop buying the two halves separately. A combined kit ships the correct cage nut with the screw that threads into it, in the pack size a build consumes, so there is no chance of pairing an M6 nut with a 10-32 screw at two in the morning. Pair the kit with a cage-nut tool — the single most useful few dollars in a rack build — and the seating that used to shred thumbs becomes a clip. Material matters where the environment does: spring-steel nuts resist stripping under repeated use, and stainless resists corrosion in humid or coastal sites. Because fastening hardware is the part most often forgotten until it is missing, Uniqcli quotes it with the rack, the shelves and rails, the PDUs and the cable management, so the bag of cage nuts arrives with the cabinet rather than a week after it.
FAQ
Common questions
- How do I know which cage nuts my rack needs?
- Match the thread standard of the cage nut and screw to the rack and the equipment. M6 and M5 are the metric standards on most modern square-hole racks; 10-32 and 12-24 are the imperial threads common across an older installed base. The cage nut clips into the rack's square hole and presents the threaded seat, and the mounting screw threads into it, so all three — nut, screw and hole — have to be the same standard. When in doubt, check the rack's documentation for the hole size and thread, and buy a combined cage-nut-and-screw kit in that standard so the two halves cannot be mismatched.
- Do I need a cage-nut tool?
- For any real build, yes. Seating a cage nut by thumb — compressing the spring clip and popping it into a square hole — is slow and genuinely hard on the hands across a rack's worth of holes, and it is where most installers cut a knuckle. A cage-nut tool hooks the clip and seats or removes it in a couple of seconds without the strain, which pays for itself on the first cabinet. It is a few dollars and it belongs in the same order as the nuts and screws, alongside the rack, shelves and rails it will help you populate.
- Can business, government and education buyers order these?
- Every line Uniqcli quotes is sourced through US distribution and screened for TAA country-of-origin and NDAA §889 status before checkout — with documentation tied to the specific part number, not a product family.
Need cage nuts and rack mounting hardware pricing?
Send a bill of materials or part numbers — we confirm stock and a below-market total, with TAA verified on request. No payment up front.