ST-50 extra long framing nail – 49.1 mm total length

D31-ST-50 Steel Framing Nail 1-Box (400pcs)

SKU: D31
Key Specs
Nail Type
Model
Model
ST-50
Total Length
49.1 mm
Wire Diameter
2.3 mm
Head Width
6.3 mm
Head Thickness
1.7 mm
Qty per Box
400 pcs
Weight per Box
592 g
MOQ: 100Lead time: 7-10daysCustom packaging: Available

The ST-50 extra long framing nail reaches 49.1 mm, making it the ideal fastener for ultra-thick solid-wood frames, museum-quality heavy mouldings, and architectural frame installations requiring maximum structural strength.

SpecificationValue
Nail TypeST Steel Nail
ModelST-50
Total Length49.1 mm
Wire Diameter2.3 mm
Head Width6.3 mm
Head Thickness1.7 mm
Qty per Box400 pcs
Weight per Box592 g
What is the maximum recommended moulding thickness for ST-50?

ST-50 nails perform best in mouldings 42–47 mm thick. Beyond this range, countersink depth may be insufficient.

Does ST-50 require a special nailer?

ST-50 nails require an ST pneumatic nailer with a magazine depth of at least 50 mm. Confirm with your nailer manufacturer before use.

What does one box of ST-50 nails weigh?

Each box weighs approximately 592 g and contains 400 nails.

The ST-50 extra long framing nail represents the upper end of the ST nail series, designed for professional framers working with the thickest solid-wood mouldings and structural installations. At 49.1 mm, it provides unmatched mechanical depth in corner joins.

Use Cases for ST-50 Framing Nails

Museum-quality frame assembly, architectural feature frames, and custom millwork that demands long-term structural integrity are prime applications for ST-50 nails.

Complete Specifications

Total length: 49.1 mm | Wire diameter: 2.3 mm | Head width: 6.3 mm | Head thickness: 1.7 mm | Quantity: 400 pcs/box | Weight: 592 g/box | Boxes per carton: 20.

Pressure and Technique

Recommended air pressure: 95–115 PSI for dense hardwoods. Always pre-drill a pilot hole in very dense species to prevent splitting.

Workshop Safety

Inspect nailer magazine for jams before loading ST-50 nails. Clear any residual nails from the previous run to prevent misfires.

View our full ST steel nail collection for every moulding profile. For industry guidelines, visit PPFA.com.

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Product: D31-ST-50 Steel Framing Nail 1-Box (400pcs)
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