Product Description
10-24 UNC A2 Stainless Steel Countersunk Slotted Head Machine Screws
A2 stainless steel machine screws with a 10-24 UNC thread and slotted countersunk head. Designed for use with matching nuts or tapped holes, the countersunk head sits flush within a suitably prepared recess for a neat finish.
Available Sizes
| Thread Size | Length | Threads Per Inch |
|---|---|---|
| 10-24 UNC | 1/2 inch | 24 TPI |
| 10-24 UNC | 1 1/2 inches | 24 TPI |
| 10-24 UNC | 2 inches | 24 TPI |
| 10-24 UNC | 3 1/2 inches | 24 TPI |
Countersunk screw lengths are measured overall, including the head.
Key Features
- A2 stainless steel construction
- No.10 UNC thread with 24 threads per inch
- Countersunk head for a flush finish in a suitable recess
- Slotted drive for use with a correctly sized flat-blade screwdriver
- Four imperial lengths available
- Suitable for assembly, maintenance and repair work
ASME B18.6.3 is the relevant reference standard for inch-series machine screws of this type. Please contact us before ordering to confirm compliance certification availability.
Use with matching 10-24 UNC nuts or tapped holes. Select a screwdriver blade that fits the slot securely and check that the countersink matches the screw head before tightening.
Related Products
Specifications are intended as a guide. Confirm the required thread size, length and head dimensions before ordering.

| A | B | C | D | E |
| 10-24 | 3 1/2" | 0.32 | 0.12 | 24 |
| 10-24 | 1 1/2" | 0.32 | 0.12 | 24 |
| 10-24 | 2" | 0.32 | 0.12 | 24 |
| 10-24 | 1/2" | 0.32 | 0.12 | 24 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.