The ST-57 professional steel frame nail is the longest and heaviest nail in the ST series, built for architectural and commercial framing applications that demand maximum joint depth and strength. Its 56.5 mm total length provides unrivaled penetration in the thickest solid-wood mouldings.
Architectural Framing with ST-57 Nails
Commercial art installations, hotel lobby frames, museum-grade display systems, and oversized decorative mirrors require fasteners that can handle significant weight and stress over time. The ST-57 delivers this performance.
Technical Data
Total length: 56.5 mm | Wire diameter: 2.3 mm | Head width: 6.3 mm | Head thickness: 1.7 mm | Quantity: 400 pcs/box | Weight: 616 g/box | Boxes per carton: 20.
Recommended Air Pressure
Set nailer to 100–120 PSI for very dense hardwoods. Use a depth-of-drive adjustment on the nailer to ensure consistent countersinking.
Important Note
Always confirm your pneumatic nailer’s maximum nail length before loading ST-57 nails. Mismatched nailer-nail combinations can cause dangerous misfires.
Also consider our full ST nail range for all moulding sizes. Reference: PPFA – Professional Picture Framers Association.
