Middle Atlantic

Middle Atlantic HP 10-32 Rackmounting Screws 100-Pack

4.7 (17 reviews)

Heat-treated 10-32 rackmount screws with shoulder washers that prevent ground loops — 100 pieces ready for a full rack build.

$32.11*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Middle Atlantic's HP 10-32 Rackmounting Screws are a purpose-built fastener for professional and prosumer rack installations — not commodity hardware bin screws dressed up with a black finish. The 10-32 thread is the EIA-standard for the majority of rack-mount equipment, from 1U network switches to full-depth audio amplifiers, and the heat-treated construction means the threads hold their shape under repeated torquing without the galling and stripping that plague cheaper fasteners. The 100-piece quantity is sized for a complete rack build rather than a spot repair, making this pack practical for AV integrators, IT rack builders, and serious home studio installers working with a full 24U to 42U frame.

The truss head profile is wider than a standard pan head, spreading clamping force across more of the rack ear surface and reducing cosmetic damage to equipment through repeated installation and removal cycles. The black oxide finish provides passive corrosion resistance appropriate for climate-controlled equipment rooms and gives the installed rack a clean, uniform appearance. The included black nylon washers protect equipment finishes, while the shoulder washers — when combined with standard flat washers — create an electrical isolation layer that breaks unwanted ground paths between equipment and the rack frame. For broadcast, audio, and video installations where ground loops are a persistent source of hum and interference, this is a meaningful functional benefit that most generic rack screw packs don't address.

Key Features

Shorter screws leave room in equipment racks for cabling

Screws have a rounded end to prevent chafing

Bag contains 100 screws with washers

Specifications

Screw Thread
10-32
Quantity
100-Pack
Screw Head Type
Truss Head
Screw Finish
Black Oxide
Washer Type
Black Nylon Washers, Shoulder Washers
Durability Feature
Heat-treated for enhanced durability

Pros & Cons

👍 Pros

  • 10-32 thread is the universal standard for rack equipment — high compatibility across audio, video, and IT gear.
  • Heat-treated fasteners provide stronger thread engagement and better resistance to stripping compared to untreated screws.
  • Shoulder washers enable ground loop prevention in audio and broadcast racks — a feature most generic rack screw packs omit.
  • Black oxide finish resists corrosion in equipment rooms with variable humidity.
  • Truss head profile distributes clamping load across a wider face, reducing the chance of cutting into equipment rack ears on repeated re-installations.

👎 Cons

  • 100-pack quantity may be more than needed for a single small rack — no smaller quantity option noted.
  • Black finish only — no chrome or stainless option for racks where appearance is a priority.
  • Not suitable for 12-24 threaded racks — confirm your rack rail thread before purchasing.
  • Shoulder washer ground loop benefit requires pairing with a standard flat washer to work correctly — not a standalone solution.

Frequently Asked Questions

These are 10-32 thread screws, which is the standard thread used in most audio, video, and IT rack equipment. The vast majority of rack-mount gear — from amplifiers to patch panels to servers — uses 10-32 rack holes, so these are broadly compatible. Verify your rack rail thread before ordering; some older or budget racks use 12-24 thread instead.
The shoulder washer, when paired with a standard flat washer, electrically isolates the screw from the rack rail. This breaks potential ground loops that occur when multiple pieces of equipment create unintended ground paths through the rack frame — a common source of hum in audio and video installations. For IT racks where ground loops aren't a concern, the shoulder washer is still useful as a surface protector.
Yes. Each screw in the 100-pack comes with a black nylon washer. The shoulder washers referenced in the ground loop prevention feature are a separate consideration — check the product details for exactly which washer types are included in your specific pack.
No. Black oxide is a surface conversion coating applied after machining — it adds corrosion resistance and the cosmetic black finish without meaningfully altering thread dimensions or reducing clamping strength. Heat treatment of the underlying fastener provides the core strength.
Standard EIA rack equipment uses two screws per rack unit (RU) on each side rail — so four screws per piece of gear. A 100-pack covers roughly 25 units of equipment at four screws each, which is sufficient for a full 24U rack build with some spares.