HARDDRIVE SKU: 820-57004

Harddrive Seat Screw Knob 1/4-20 Chrome - Harley & Indian V-Twin

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About Harddrive

Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.

Enhance both the look and functionality of your V-twin with this Harddrive 1/4-20 chrome knob-style seat screw. It offers convenient, tool-free seat removal while adding a touch of chrome.

Why riders pick this

  • Tool-free seat access with chrome knob
  • Fits 1996 and newer V-twin motorcycles
  • Features a common 1/4-20 thread pitch
  • Includes a mounting washer for secure fit
  • Adds a custom chrome accent

The Harddrive Seat Screw with a chrome knob head and 1/4-20 thread pitch is designed for V-twin motorcycles from 1996 and up. This fastener not only secures your seat but also provides the convenience of tool-free removal, making it simple to access your battery or other under-seat components. The brilliant chrome finish adds a custom accent to your ride.

Style Meets Functionality

  • Chrome knob head for quick, tool-free access
  • 1/4-20 thread pitch for 1996 and newer V-twins
  • Includes mounting washer for proper installation
  • OEM-style replacement for a perfect fit
  • Durable finish built to last

Effortless Access and Secure Hold

This chrome knob seat screw is perfect for riders who frequently remove their seat or simply prefer the convenience of hand-tightening. Its robust design ensures a secure hold, keeping your seat firmly in place on the road. The bright chrome finish complements other chrome accessories on your bike, providing a cohesive and polished custom look.

Specifications

  • Brand: Harddrive
  • Manufacturer Part #: 05-330
  • UPC: 191361125522
  • Thread Size: 1/4"-20
  • Length: 6.37 in
  • Width: 3.74 in
  • Height: 0.7 in
  • Weight: 0.022 lbs
  • Country of Origin: China (Taiwan)

Common questions

Will this chrome knob seat screw fit my pre-1996 Harley?

No, this screw has a 1/4-20 thread pitch, which is for 1996 and newer V-twin models. Pre-1996 bikes use a 1/4-28 thread pitch and require a different part.

Does this seat screw come with a washer?

Yes, the mounting washer is included with the screw for proper installation and to protect your seat pan.

Is this a direct replacement for the factory seat screw?

Yes, Harddrive manufactures this as an OEM-style replacement fastener, ensuring a direct and easy fit.

Ordering from Vtwinbikers

  • Brand new, sourced through authorized US distribution — never used, never grey-market.
  • Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
  • Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
BRANDHarddrive
TYPEHardware/Fasteners/Fittings
SKU820-57004
WEIGHT0.02 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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