0 ratings
34 Counterbore, Carbide Tipped, 3 Flutes, 12 Shank Diameter, Straight Shank, 5 38 OAL, USA Made, .75 Diameter, 59809
Item #: 50900126

34 Counterbore, Carbide Tipped, 3 Flutes, 12 Shank Diameter, Straight Shank, 5 38 OAL, USA Made, .75 Diameter, 59809

Item #: 50900126

AUD 286

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, July 30
Our Top Logistics Partners
  • fedex
  • dhl
U-Care Warranty:
None
Select a Plan
buy now pay later

Buy Now Pay Later

fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
afterpay payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Carbide Tipped
Constructed with carbide tips for exceptional durability, ensuring prolonged cutting life and superior performance in tough materials, making it ideal for both professional and DIY projects.
Precision Engineering
Designed with a precise 3-flute configuration that optimizes chip removal and enhances cutting efficiency, providing cleaner holes and reducing the risk of tool binding.
USA Made Quality
Proudly manufactured in the USA, ensuring high-quality standards and excellent craftsmanship, which promotes reliability and performance you can trust for every machining task.

Product Details

Shop 34 Counterbore, Carbide Tipped, 3 Flutes, 12 Shank Diameter, Straight Shank, 5 38 OAL, USA Made, .75 Diameter, 59809 online at a best price in Australia. B00PM4N1SW
  • 34 Counterbore with carbide tipped, suitable for counterboring various materials
  • Tool diameter tolerance: +.001/-0, Shank Diameter Tolerance: +0/-.0005
  • Pilot Hole Diameter: 1/4, used with a pilot that has a shank diameter of 1/4
  • Minimum Cut Diameter: .29, tool will not cut below this diameter due to the presence of a pilot hole
  • Includes a set screw to securely hold a pilot or drill bit in place
  • Made in the USA, with 3 flutes, 1/2 shank diameter, and 5 3/8 OAL
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Woodworking Enthusiasts

    Ideal for creating precise counterbored holes in wood for flush mounting and aesthetic finishes.

  • Metal Fabricators

    Great for adding flat-bottomed holes in metal workpieces, allowing for screw heads to sit flush.

  • DIY Projects

    Perfect for hobbyists requiring a reliable counterbore tool for various home improvement tasks.

Not Suitable For
  • Beginners

    Not suitable for novice users who may lack experience using specialized tools safely and effectively.

  • Soft Materials

    May not perform well on soft materials; designed primarily for wood and metal applications.

  • Heavy-Duty Use

    Not ideal for repeated, heavy-duty applications where durability and resilience against wear are required.

Product Description

34 Counterbore, Carbide Tipped, 3 Flutes, 12 Shank Diameter, Straight Shank, 5 38 OAL, USA Made, .75 Diameter, 59809

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a counterbore and how is it used?

    Answer: A counterbore is a cylindrical flat-bottomed hole that is used to allow the head of a bolt or screw to sit flush with or below the surface of the material it's applied to. This design is essential in applications requiring a clean and level surface finish. For instance, when installing plugs in automotive or structural components, a counterbore ensures that the fastening device doesn’t protrude, allowing for smooth surface contact with other parts.
  • Question: What are carbide-tipped drill bits and why are they preferred?

    Answer: Carbide-tipped drill bits feature cutting edges made from tungsten carbide, which makes them remarkably tough and durable compared to standard steel bits. They are preferred for their ability to maintain sharpness longer, resist wear, and provide precision in drilling through various materials, including metals and composites. For example, professionals in the machining and manufacturing sectors often choose carbide-tipped bits for high-speed operations when dealing with harder materials.
  • Question: How does the number of flutes affect counterbore performance?

    Answer: The number of flutes on a counterbore refers to the spiral blades that cut and remove material. A 3-flute design strikes a balance between cutting efficiency and chip removal, making it ideal for applications that require smooth finishing and increased stability. For example, when drilling in deeper materials, the 3-flute counterbore helps minimize chatter, ensuring a cleaner hole and better final results.
  • Question: What applications are suited for a 0.75-inch diameter counterbore?

    Answer: A 0.75-inch diameter counterbore is commonly used in construction and manufacturing tasks that involve installing large fasteners like bolts and screws. It’s particularly useful for embedding anchors in concrete or setting up machinery where flush mounts are required. The size offers a good balance for both strength and compatibility with standard fasteners in industrial settings.
  • Question: What is the significance of the 12 shank diameter?

    Answer: A 12 shank diameter means that the counterbore is designed to fit standard drill chucks for various drill sizes, ensuring secure fastening. This size is crucial for applications requiring a powerful, stable tool setup. Craftsmen, engineers, and machinists often prefer this shank size for versatility and compatibility across machinery, allowing them to switch tools without the need for additional adapters.
  • Question: What does a straight shank design entail?

    Answer: A straight shank design refers to a bit that has a uniform diameter along its length, which allows for a secure grip in drilling machines. This construction type promotes stability and precision during operation, making it ideal for controlled drilling tasks. It's particularly advantageous for hobbyists and professionals who require consistent results and efficient chip removal.
  • Question: How can this counterbore enhance machining processes?

    Answer: Using a counterbore like the 34 Counterbore can significantly enhance machining processes by allowing for precise hole creating that accommodates fasteners flush with a material's surface. This ensures that parts fit neatly and reduces issues related to surface protrusion, which is crucial in assembly lines in industries such as automotive. It’s perfect for jobs that demand accuracy and finished aesthetics.
  • Question: Is this counterbore suitable for high-speed applications?

    Answer: Yes, the carbide-tipped design of this counterbore makes it highly suitable for high-speed applications. Carbide retains its hardness at high temperatures, allowing for extended use in rapid drilling tasks without overheating or losing sharpness. For instance, in high-volume production environments, this feature ensures efficiency and consistency, translating to improved productivity.
  • Question: What materials can this counterbore be used with?

    Answer: This counterbore is versatile and can be used with metals, plastics, wood, and composite materials. Its design makes it ideal for machining projects in engineering, woodworking, and construction applications. For example, when working with machinery components, it effectively creates countersunk holes for secure fastening in various substrates.
  • Question: Where can I buy the 34 Counterbore, Carbide Tipped, 3 Flutes, 12 Shank Diameter, Straight Shank, 5 38 OAL, Australia Made, .75 Diameter, 59809?

    Answer: You can purchase the 34 Counterbore, Carbide Tipped, 3 Flutes, 12 Shank Diameter, Straight Shank, 5 38 OAL, Australia Made, .75 Diameter, 59809 from Ubuy. Ubuy is a reliable e-commerce platform that offers a wide selection of tools and equipment perfect for your needs.

SuperTool Counterbores Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4/5 284 + reviews
Read reviews
JB
Jane
Verified buyer

“Great continuous communication. Packaged well. Arrived promptly.”

12 June 2026 · via Trustpilot
MM
MAV MTBLife
Verified buyer

“1st buy, Ubuy. Shopping made easy if you don't mind the international shipping cost. Bought the product I wanted and the shipping was fast. I look forward for next shopping☺️”

10 June 2026 · via Trustpilot
AP
amanda
Verified buyer

“Great communication, prompt delivery.”

7 June 2026 · via Trustpilot
DD
Disa
Verified buyer

“I'm getting used to an excellent buyer experience with Ubuy and have begun to rely on them for any purchases I make in the US.”

5 June 2026 · via Trustpilot
KB
Katie
Verified buyer

“Delivery was prompt, with many updates along the way.”

23 May 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.