If you are looking for high-quality Duct Insulation Pins & Fasteners, Huihao Hardware Mesh Product Limited is your ideal choice. We supply premium quality duct insulation pins & fasteners at competitive prices.

Cup head weld pins are highly efficient duct insulation fasteners that permanently secure insulation to sheet metal ducts in one simple step. Simply place the insulation in position and weld through the insulation to the metal duct surface using a Capacitor Discharge Weld Machine and Gun.

In addition to our high-quality Duct Insulation Pins & Fasteners, we also supply Capacitor Discharge Weld Machines and Guns. For customers interested in manufacturing their own duct insulation pins & fasteners, we can provide automatic production machines.

• Material: Carbon Steel with copper coating or zinc coating for anti-corrosion
• Beveled Head: Designed to prevent cutting of insulation material
• Head Size: 1-3/16" (30mm) with 0.5mm thickness is standard
• 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

Cup head weld 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 Duct Insulation Pins & 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