Twisted Choppers 3/4 x 1-1/2 Counter-Bore Threaded Mounting Boss 3/8-16 Thread USA Made

Part #:TC-403

$6.95

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USA-made cold-rolled mild steel counter-bore weld-on mounting boss; 3/4 inch diameter x 1-1/2 inch length with 3/8-16 counter-bore thread; clean threaded anchor for custom builds; sold individually.

  • ShippingFree over $99
  • Sales tax0% outside SD
  • Usually ships1 to 2 business days

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(605) 498-0105 M–F | 9:00–4:30 CST90-Day ReturnsExpedited & international shippingBuilt in Sioux Falls, SD USA

Twisted Choppers 3/4 x 1-1/2 Counter-Bore Threaded Mounting Boss 3/8-16 Thread USA Made

Every solid custom motorcycle build relies on precise, reliable mounting points, and these weld-on bosses deliver exactly that. Made in the USA by Twisted Choppers, each boss provides a clean threaded anchor point that handles the vibration and stress of daily riding so every bracket, fender, and accessory stays where you put it.

Key Features

  • Counter-Bore threaded weld-on boss for custom motorcycle and fabrication builds
  • Cold-rolled mild steel construction for consistent threading and weld penetration
  • Precise dimensional tolerances for repeatable installation
  • Made in the USA

Technical Specifications

Diameter
3/4 inch
Length
1-1/2 inch
Thread Size
3/8-16 counter-bore
Counterbore
1/2 inch x 7/8 inch
Material
Cold-rolled mild steel
Quantity
Sold individually
Origin
Made in the USA

Fitment Notes

  • Universal fabrication component, no motorcycle model-specific fitment required
  • Select by diameter, length, and thread size to match your hardware requirements
  • Review the Fitment tab for complete compatibility information

Dimensional Options

This boss is a fabrication component selected by diameter, length, and thread size and does not require motorcycle model-specific selection.
Weight 0.35 lbs
Dimensions 1 × 2 × 1 in

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