Description
[10000 BULK] 4-40 Phillips Flat Head Machine Screws, 82 Degree Countersunk, Steel, Black Oxide, 3/8" Long Bulk-pack fasteners designed for precise, flush mounting in electronics, equipment enclosures, and machinery assemblies.
- Size: 4-40 x 3/8"
- Drive: Phillips
- Head: Flat head with 82-degree countersink
- Material: Steel
- Finish: Black Oxide
- Quantity: 10,000 screws per bulk order
- Applications: Electronics, panels, enclosures, machinery, and general fastening tasks
- Compatibility: Works with 4-40 tapped holes; can be used with washers or nuts where required
Why choose these screws? The black oxide finish provides a sleek, low-gloss look and mild corrosion resistance in dry environments, while hardened steel delivers dependable strength for bulk projects. The flush, countersunk head creates a clean, professional appearance in your assemblies.
Bulk convenience for large builds: Stock up and save with this 10,000-piece pack and keep projects moving without interruptions.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

