Machined with a 19.10mm (3/4") outer body diameter and a compact 12mm overall height, this top hat bung is designed for a tight fit in a 3/4" drilled hole - sitting square against your tab or frame while you tack and weld. The full-depth 5/16"-18tpi UNC thread allows fasteners to thread straight through without bottoming out in low-clearance areas.
- Material: Easy-to-weld Mild Steel (coated with light protective anti-rust film)
- Thread Size: 5/16" UNC (18 TPI)
- Thread Depth: 12mm (~15/32" Full thread)
- Outer Diameter (OD): 19.05mm (3/4")
- Flange Diameter: 25.40mm (1")
- Flange Thickness: 3.2mm (~1/8")
- Overall Length: 12mm(~15/32")
- Design: Top hat flange shoulder for low-clearance self-locating alignment
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Quantity: Sold as pack of 4
Applications - Compact heavy-duty frame tabs
- Oil tank & Battery box mounts
- Tight-fit exhaust & fender mounting brackets
- Structural custom metal fabrication