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Walter 08-B-005 Spindle Extension Adapter 7/16-20 to 3/8-24

$68.04/ea $51.03/1 per each only $51.03/eaSave 25%

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OVERVIEW

Get the Right Fit for Your Grinder

As a welder or fabricator, you know the frustration of grabbing a new backing pad or wire wheel only to find it doesn't fit your favorite air grinder. The Walter Extension 7/16-20 X 3/8-24 is the problem-solver you need in your toolbox. This handy adapter allows you to convert your grinder's spindle threads, opening up a wider range of abrasive options for your work. Whether you are trying to mount a 3/8-24 accessory onto a 7/16-20 tool or vice versa, this extension makes it happen securely and safely.

Quality matters when you are spinning abrasives at thousands of RPM. A cheap, poorly made adapter can cause wobbling, which ruins your finish, wears out your grinder's bearings, and numbs your hands with vibration. Walter Surface Technologies builds this extension to professional standards. It is machined from solid steel to ensure it runs true and holds tight. This means you get smooth operation, better control over your grind, and a safer work environment. It is the kind of small part that makes a big difference when you are in the middle of a tough job.

Beyond just adapting threads, this unit also acts as a slight extension, pushing the abrasive slightly away from the tool head. This can be a lifesaver when you are working in tight corners or need just a little extra clearance to see what you are doing. Don't let mismatched threads stop your workflow. Keep the Walter 08B005 adapter on hand so you can use the best abrasive for the job, regardless of which grinder you have hooked up to the air line.

Why Welders Choose This Adapter

  • Versatility: Connects mismatched tools and accessories instantly.
  • Smooth Running: Precision balance reduces hand fatigue.
  • Durable: Tough steel threads won't strip easily.
  • Walter Quality: Trusted performance from a top industry brand.
Additional Information
Product Type:Extension Adapter
Thread Size 1:7/16-20
Thread Size 2:3/8-24
Packaging Description:1 per each
Material:Steel
Application:Air Grinders, Spindle Adaptation

INCLUDED

  • 1x Extension Adapter (7/16-20 x 3/8-24)

APPLICATIONS

  • Adapting air grinder spindles to different thread sizes
  • Mounting 3/8-24 accessories on 7/16-20 tools (or vice versa)
  • Extending the reach of abrasive wheels in tight spaces
  • General metal fabrication and surface finishing setups
  • Automotive and aerospace maintenance tool adaptation

FAQ

This adapter features a 7/16-20 thread on one side and a 3/8-24 thread on the other.

It is compatible with air grinders that utilize either 7/16-20 or 3/8-24 spindle connections. Always verify your tool's spindle size before purchasing.

It is manufactured from high-strength steel to withstand industrial grinding applications.

While physically possible if threads match, it is designed primarily for air grinders. Ensure the RPM rating of the accessory and the balance of the extension are suitable for the electric tool's speed.

Yes, it acts as an extension, which can help provide clearance between the tool body and the workpiece.

No, if used correctly. Walter adapters are precision machined to minimize runout and vibration.

Yes, this is the genuine Walter Surface Technologies part number 08B005.

CATALOGUE & SPEC SHEETS

Safety Data Sheet
Google Rating
4.9
Based on35reviews
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