6-1/8″ × 4-1/4″ × 3/8″ Countersunk Aluminum Backing Plate – 3″ Center Hole

Description

6-1/8″ x 4-1/4″ Mounting Pad with 3″ Pass-Through

A specialized structural mounting pad designed for rigging applications requiring a large center pass-through. This plate features a precision 3-inch diameter center hole and is pre-drilled with countersunk fastener holes for a flush, professional installation. Manufactured from premium marine-grade aluminum.

Key Specifications & Features:

• Precision Manufacturing: CNC machined from solid 6061-T6 Aluminum for maximum durability.
• Specialized Geometry: Overall dimensions of 6.125″ x 4.25″ with a large 3″ diameter center cutout.
• Clean Finish: Features countersunk mounting holes to ensure screw heads sit flush with the surface.
• Applications: Perfect for mast bases, antenna mounts, or rigging pass-throughs requiring structural reinforcement.
• Orientation: Symmetrical design for universal installation.

Shipping: 1-2 work days.

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