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Walter 48-M-615 1/4-Inch Collet for Straight-Mate Grinders

$3.66/ea $2.61/1 per each only $2.61/eaSave 29%

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OVERVIEW

Secure Your Abrasives with the Right Collet

When you're in the middle of a tough grinding job, the last thing you need is your burr or wheel slipping. The Walter 48-M-615 1/4" Collet is the factory-original replacement for your Walter Straight-Mate grinder. It's built to grab onto 1/4-inch shanks tight and not let go, giving you the confidence to lean into the work without worrying about tool failure.

Over time, collets can wear out, get packed with grit, or lose their spring tension, leading to vibration and sloppy work. Swapping in a fresh 48-M-615 restores your grinder's precision. It's made from hardened steel to stand up to the heat and stress of daily fabrication work. If you are using a Walter Straight-Mate, don't settle for generic parts that might not center your bit correctly—stick with the real deal.

This collet is easy to install and fits perfectly into the spindle assembly. It's designed to handle the high speeds of die grinding applications, ensuring your carbide burrs and mounted stones spin true. Keep a spare in your toolbox so you're never stuck with a slipping bit on a Friday afternoon.

Additional Information
Size:1/4"
Accessory Type:Collet
Compatible Tools:Walter Straight-Mate
Packaging Description:1 per each
Material:Hardened Steel
Shank Capacity:1/4 inch

INCLUDED

  • 1 x 1/4" Collet (48-M-615)

APPLICATIONS

  • Securing 1/4" shank carbide burrs
  • Holding mounted points and grinding wheels
  • Precision die grinding and deburring
  • Metal fabrication and finishing
  • Maintenance of Walter Straight-Mate tools

FAQ

This collet is designed specifically for Walter Straight-Mate straight grinders (die grinders).

It accepts standard 1/4-inch (6.35mm) shanks, which is the most common size for die grinder accessories.

Yes, this is an OEM (Original Equipment Manufacturer) part from Walter Surface Technologies.

Worn collets can cause accessory slippage and increased vibration (runout), which damages the workpiece and reduces tool life.

No, 1/4" (6.35mm) and 6mm are slightly different. You should use the specific metric collet for 6mm shanks to ensure safety.

Typically, the part number 48-M-615 refers to the collet insert itself. The nut is usually a separate part unless specified as a kit.

It is made of hardened steel to resist wear and maintain tension over time.

Unscrew the collet nut, remove the old collet, insert the new 48-M-615 into the spindle, and re-tighten the nut loosely before inserting an accessory.
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