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Phillips Flat-Head Machine Screws — #4-40 x 1-1/4 in., Stainless Steel Finish, 50-Pack
- Mfg.#
- 43075-P
- Sku#
- 6333751
- Made from stainless steel, designed for corrosion resistance in many environments
- Features Phillips-drive flat head, suitable for flush countersinking in assemblies
- Sized #4-40 x 1-1/4 in, designed for precise machine fastening applications
- Features USS coarse #4-40 threading, suitable for general-purpose machine screw engagement
- Silver stainless finish, suitable for visible installations requiring a clean look
* Estimated stock levels as of Sun, May 10, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
This is a stainless Phillips flat-head machine screw designed for reliable, corrosion-resistant fastening where a flush finish is needed. Made of stainless steel with a silver finish and USS coarse #4-40 threading, it measures 1-1/4 inches long and works well for fastening panels, small brackets, electronics enclosures, and machinery components that require a countersunk head. The Phillips drive provides easy engagement with common drivers, and the flat-head profile sits level with or below the surface for a clean, low-profile installation. With its standard #4 diameter and coarse thread, this screw is suited to metal-to-metal assemblies and repair work where secure holding power and a neat appearance matter. Country of origin is TW.
Specifications
General
| Color | Silver |
|---|---|
| Drive Style | Phillips |
| Finish | Stainless Steel |
| Head Style | Flat |
| Imperial/Metric | Imperial |
| Indoor/Outdoor | Outdoor |
| Material | Steel |
| Pack Qty | 50 |
| Point Type | Blunt |
| Thread Type | USS Coarse |
| Type | Machine Screw |
Dimensions
| Diameter | #4 |
|---|---|
| Length | 1-1/4 in |
| Size | #4-40 x 1-1/4" |
Manufacturing Details
The following information is subject to change without notice
| Country of Origin | TW |
|---|---|
| Prop 65 Warning |
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
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