Hillman Fasteners 461381 Underlayment Nail 1.25 in 5 Lb

Product Description

The HILLMAN FASTENERS 461381 is a bright underlayment nail designed for fastening underlayment materials in flooring installations. At 1.25 inches in length and 12.5 gauge, this nail provides a reliable hold in subfloor and underlayment applications without overdriving or splitting thinner materials. The bright finish indicates an uncoated steel construction suited for interior use. This fastener is packaged in a 5-pound box and is a standard item for flooring contractors and installers working with sheet underlayment in residential settings.

These underlayment nails are intended for interior flooring applications where a consistent, uniform fastener is needed to secure underlayment panels or sheeting to a subfloor. The 12.5 gauge shank provides adequate holding strength for typical underlayment materials without causing surface damage. The 5-pound box format is practical for job-site use, and the package ships in a case quantity of 4 boxes. This product is well suited to professional flooring installers and general contractors working on residential renovation or new construction projects.

Key Features

• 1.25-inch length suited to underlayment fastening without overdriving into subfloor
• 12.5 gauge shank balances holding strength with reduced material splitting
• Bright finish for clean interior installation without corrosion-resistant coating requirements
• 5-pound box format practical for professional job-site use
• Packaged 4 boxes per case for bulk procurement

Compatibility

Designed as an OEM-style replacement fastener for standard residential interior underlayment installations where a 1.25-inch, 12.5-gauge bright nail is specified.

Installation Notes

Installation is performed by flooring contractors or general construction trades. Power down any nearby electrical tools and clear the work surface before beginning fastening work. Use a pneumatic or manual flooring nailer rated for 12.5-gauge nails of this length, following the flooring manufacturer's recommended fastening pattern. Follow applicable local building codes for underlayment fastener spacing.