Galvanized Steel Duct Liner Pins 4 Inch For Air Duct Fiberglass Insulation

Duct Liner Pins are widely used to fasten insulation materials onto steel duct work or other steel surfaces. Used with a duct liner pin welder, the pins are directly welded to the metal after piercing through the insulation, significantly reducing labor costs for fiberglass insulation ductwork.

These pins feature a paper washer or plastic coating to prevent sparking during installation.

• Material: Carbon Steel with copper coating for nails and zinc coating for heads
• Beveled Head: Designed to prevent cutting of insulation material
• Head Size: 1-3/16" (30mm) with 0.5mm thickness
• Nail Diameter Options: 10Gauge/3.4mm, 11Gauge/3.0mm, 12Gauge/2.7mm
• Custom Lengths: Available from 25-300mm
• Strong riveting on base for secure attachment
• Excellent welding performance
• Free samples available
• Fully customizable sizes

Item: Duct Liner Pins
Material: Galvanized Steel
Base Size: 30mm
Nail Diameter: 2.7mm
Nail Length: 25mm
Custom sizes and materials available

Item: Duct Liner Weld Pins
Material: Galvanized Steel
Base Size: 30mm
Nail Diameter: 3.4mm
Nail Length: 105mm
Custom sizes and materials available

Item: Duct Liner Weld Pins
Base Material: Galvanized Steel
Base Size: 30mm
Nail Material: Copper Coated Mild Steel
Nail Diameter: 2.7mm
Nail Length: 125mm
Custom sizes and materials available

Duct liner pins are typically applied using a capacitor discharge stud welder. The installation process involves placing insulation onto a metal surface, pushing the weld pins through the insulation, and welding the entire fabrication in one efficient step.

These labor-saving fasteners are widely used in commercial and industrial applications for thermal and acoustical insulation systems.

• 1000 pcs / 2000 pcs / 3000 pcs per carton
• 48 cartons per pallet
• Custom packaging available upon request