120pc Keystone Mounted Stones W-3. 1/8” Shank Rotary Grinding Bits USA Made

We have not cleaned or refurbished this item in any way, as we leave that decision up to the eventual buyer. We test used items before we list and before we ship to make sure you are getting a high quality and functional tool. Sold with the Tucson Tool Shop 30 Day guarantee! Please check our thousands of positive reviews. We are a brick and mortar store located in Tucson, AZ continuing the legacy of a business that has been around since 1978. We strive to keep all of our customers happy. Customer service is job #1. If you have any questions about this or any item we have listed please do not hesitate to contact us!

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120 Pieces Mounted Stones National Keystone, Style W-3, for Grinding Glass, Stone…etc, New:  These stones are made of green silicon carbide and used in Dremel & Other High Speed Rotary Tools. They have a 3/32" Shank. This listing is for:

. 12 Green Mounted Abrasive Points From National Keystone; Style W-3

. Green, Silicon Carbide Grinds Composites, Stone, Non-Ferrous Metals, Carbide, Glass, Ceramic and Porcelain

. The Overall Total Length is 2-5/8" and the Top of the Stone is 1/4" Diameter

. The 120 Stones Come in a Custom Made Cases of 12 Stones each with a Holder for Keeping the Stones Separated. You will be receiving 10 of these cases in this 120 pc. lot.

. Approx 29¢ each

Brand: National Keystone Abrasives

Model/Style: W-3

Quantity: 120 Pieces

Shank Size: 1/8”

Material: Green Silicon Carbide

Condition: New

Description:

This 120-piece set of National Keystone Style W-3 Mounted Stones is designed for precision grinding, deburring, and polishing on a variety of materials including glass, metal, ceramics, and jewelry.

Each mounted stone features a durable 1/8” steel shank compatible with most rotary tools, grinders, and Dremel-type machines.

Features:

• Premium green silicon carbide abrasive for fast, smooth grinding

• Ideal for fine detail work, engraving, and surface finishing

• Compatible with high-speed rotary tools

• Made in the USA by National Keystone Abrasives

• Comes neatly packaged in a protective organizer tray

Applications:

Perfect for jewelers, metalworkers, glass artists, watchmakers, and hobbyists needing reliable precision stones for shaping, polishing, or engraving.

Keystone abrasives, mounted stones, W-3 grinding bits, rotary tool accessories, silicon carbide burrs, jewelry polishing tools, Dremel bits, USA made abrasives, glass grinding stones, high-speed rotary tools