SKU: 76103660907

UCT Gem Carbide SD-3 3/8-Inch Double Cut Ball Shape Solid Carbide Burr 1/4-Inch Shank for Metal Grinding Hollowing and Contouring Steel

Sale price$11.06 Regular price$12.29
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

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Description

UCT Gem Carbide SD-3 3/8-Inch Double Cut Ball Shape Solid Carbide Burr 1/4-Inch Shank for Metal Grinding Hollowing and Contouring SteelThe Perfect Burr for Hollowing and Contouring When you need to hollow out a workpiece, create a concave profile, or deburr the inside of a pipe, a flat burr just won't cut it. The UCT Gem Carbide SD 3 is a 3 8" ball shaped burr designed for exactly that. Its "double cut" (cross cut) flutes give you smooth, controllable grinding and a finer finish, breaking down tough steel and cast iron into small, manageable chips. Key Features Double Cut Head:

The Perfect Burr for Hollowing and Contouring

When you need to hollow out a workpiece, create a concave profile, or deburr the inside of a pipe, a flat burr just won't cut it. The UCT Gem Carbide SD-3 is a 3/8" ball-shaped burr designed for exactly that. Its "double cut" (cross-cut) flutes give you smooth, controllable grinding and a finer finish, breaking down tough steel and cast iron into small, manageable chips.

Key Features

  • Double-Cut Head: Produces small chips for smooth operation and a finer finish. Ideal for ferrous and non-ferrous metals.
  • Ball Shape (SD-3): Perfect for hollowing, creating concave profiles, and deburring the inside of pipes or holes.
  • Solid Tungsten Carbide: Made from one solid piece of carbide for maximum rigidity, high-heat tolerance, and a long cutting life.
  • 1/4-Inch Shank: The industry standard shank, compatible with most 1/4-inch die grinders and rotary tools.
  • Versatile Application: Makes quick work of deburring, shaping, porting, and contouring on steel, cast iron, and aluminum.

What's Included

  • (1) SD-3 3/8" Double Cut Ball Shape Solid Carbide Burr

Specifications

Specification Detail
Brand UCT / Gem Carbide
Model SD-3
Material Solid Tungsten Carbide
Cut Type Double Cut (Cross-Cut)
Head Shape Ball Shape
Head Diameter 3/8"
Head Length of Cut 5/16"
Shank Diameter 1/4"
Overall Length 2-1/2"
Application Steel, Cast Iron, Non-Ferrous Metals
Max RPM 30,000

This high-performance burr needs a tool with serious RPM to get the best results. To get the most out of this bit with smooth, reliable power, we highly recommend pairing it with the Makita GD0601 1/4" Die Grinder.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 76103660907

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R.T.
Belleville, US
★★★★★ 5
No leaking!
Great for coffee bar. I’ve left coffee in one for two days and the cup did not leak or soften at the base. There is no odor and they don’t stick together when stacked. I am very pleased with these disposable cups.
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Reviewed in the United States on April 15, 2025
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Jaime Cantrell
Natrona Heights, US
★★★★★ 5
Quality Product
These paper cups are great for parties. They also are great for taking to the office and putting them in the break room.
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Reviewed in the United States on March 15, 2025
T
TruthBTold
Alexandria, US
★★★★★ 3
GOOD FOR PICNICS AND PARTIES
This bulk package of 8 oz paper cups would be a good choice for parties, picnics, weddings, showers, or any other celebratory event. They are not too thick but they are also not too thin, but I’m not sure how they would hold up with hot liquids for extended periods of time. I would not use these for my coffee. But for regular parties with cold drinks, they would be ok. I do think the pack is over-priced.
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Reviewed in the United States on August 9, 2024
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Big Bear
Louisville, US
★★★★★ 5
Great for 8 oz cups, don't leak
This is a big pack of cups. The cups are sturdy paper, and they don’t crush easily when held in the hand. They don’t seem to be coated with wax, but they still endure quite well. I left a cup sitting out overnight with water in it, and it didn’t soak through or leak. That is just over 6 cents per cup. These are 8 ounce cups, which is a moderate size. If you were throwing a party for adults, they would need to get refills often. These are perfect size for kids. The cups come in 6 plastic sleeves, that are each closed with a twist tie. The plastic they are wrapped in is pretty sturdy, and won’t rip easily, unlike the plastic sleeves that some cups come in. It’s convenient that you can unwrap only what you need at a time. These cups are a reasonable price, currently priced at $19.99, on Amazon, for 300 cups, in July of 2024. That is just over 6 cents per cup. These are a good quality cup for a reasonable price, just keep in mind that the cups are pretty small for adults.
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Reviewed in the United States on July 23, 2024
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Neri
Fort Morgan, US
★★★★★ 5
Sturdy & worth it
These plates are super sturdy and reliable! I’ve used them for parties and everyday meals, and they hold up really well—even with heavier or messy food. They don’t get soggy or bend easily, which is a huge plus. Makes cleanup so much easier without worrying about spills. Definitely a go-to for gatherings or busy days!
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Reviewed in the United States on March 17, 2026

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