The ST-25 steel picture frame nail is engineered for framers working with thicker and harder moulding profiles. At 24.1 mm total length, it drives deeper than the ST-18, securing corner joins in oak, walnut, and other dense hardwoods.
ST-25 Nail Performance Benefits
Consistent nail geometry ensures smooth feeding through ST pneumatic nailers, reducing jams and downtime in high-volume framing environments.
Technical Specifications
Total length: 24.1 mm | Wire diameter: 2.3 mm | Head width: 6.3 mm | Head thickness: 1.7 mm | Quantity: 400 pcs/box | Weight: 299 g/box | Boxes per carton: 20.
Best Use Cases
Hardwood mouldings, thick MDF profiles, shadow box frames, and commercial framing applications requiring deeper penetration.
Installation Tip
For hardwoods, increase nailer pressure slightly to 80–90 PSI and ensure the moulding is clamped securely to prevent movement on impact.
Browse our full range of ST steel nails for all moulding thicknesses. Additional guidance available from PPFA – Professional Picture Framers Association.
