MICRO 100 QTHM-820 Boring Tool Holder Od Oal Machinist 1/2 20MM 2-3/4

( Brand: Micro 100 ), ( Part Type: Holder ), ( Manufacturer Part Number: QTHM-820 ), ( Item Type: Cylindrical Tool Holder ), ( Country Of Origin: United States )

Review MICRO 100 Boring Tool Holder 1/2 Inch Id 20mm Od 2-3/4 Oal Machinist

Introducing the QTHM-820 Micro Boring Tool Holder, a compact and efficient solution for organizing and storing your 1/2 inch, 20mm OD (Outside Diameter), 2-3/4 inch OAL (Overall Length) machinist boring tools. This tool holder is an essential addition to any machinist's toolbox, providing quick and easy access to your tools while ensuring safe and secure storage.

The QTHM-820 is meticulously designed with a robust construction, featuring a high-quality steel frame that can withstand the rigors of heavy-duty use. The holder is also finished with a durable powder coating, protecting it from rust and corrosion. The frame is equipped with six tool slots, each specifically engineered to securely hold your boring tools in place.

The tool slots are designed with a unique, tapered shape that accommodates the varying diameters of your boring tools. The tapers help to keep your tools centered and stable within the holder, reducing the risk of tool damage and ensuring optimal performance. The holder's design also allows for easy tool insertion and removal.

The QTHM-820 Micro Boring Tool Holder is not only functional but also aesthetic. Its sleek, minimalist design makes it a great addition to any workshop or toolbox. The holder's compact size allows for easy storage, while its sturdy construction ensures that your tools remain secure and protected when not in use.

In summary, the QTHM-820 Micro Boring Tool Holder is a must-have accessory for any machinist. Its robust construction, secure tool holding design, and compact size make it an indispensable tool for organizing and storing your 1/2 inch, 20mm OD, 2-3/4 inch OAL boring tools. Invest in this tool holder today and streamline your workshop organization.

Pros and Cons of Buying a QTHM-820 Micro Boring Tool Holder

The QTHM-820 Micro Boring Tool Holder is a commonly used accessory in machining processes. This tool holder is designed for 1/2 inch 20mm OD boring tools with an overall length of 2-3/4 inches. In this discussion, we will explore both the advantages and disadvantages of purchasing this particular tool holder.

1. Secure Hold: One of the primary advantages of the QTHM-820 Micro Boring Tool Holder is its ability to securely hold the boring tool in place during machining processes. This can help reduce the risk of tool slippage, ensuring greater accuracy and precision.

2. Space-Saving Design: The compact size of the tool holder makes it an ideal choice for those working in limited spaces. It can be easily stored when not in use and transported from one workstation to another.

3. Durable Construction: The QTHM-820 is constructed from high-quality materials, ensuring it can withstand the rigors of daily use in a machining environment.

4. Cost-Effective: This tool holder is an affordable option for machinists, making it a wise investment for those working on a budget.

1. Limited Compatibility: The QTHM-820 is designed specifically for 1/2 inch 20mm OD boring tools with an overall length of 2-3/4 inches. This may limit its appeal to machinists working with other types or sizes of boring tools.

2. Requires Proper Torque: Ensuring the tool holder is properly torqued to the workpiece is crucial to maintaining its effectiveness. Failure to do so could result in tool slippage and inaccurate machining.

3. May Not Suit All Applications: While the QTHM-820 is an effective tool holder for many machining applications, it may not be suitable for high-speed or heavy-duty applications where greater rigidity or stability is required.

The QTHM-820 Micro Boring Tool Holder offers several advantages, including its secure hold, space-saving design, durable construction, and cost-effectiveness. However, it does come with some limitations, such as its limited compatibility and the requirement for proper torque application. Overall, if you are working with the specified boring tool size and length and have the necessary torque capabilities, the QTHM-820 can be a valuable addition to your machining toolkit.

part # qthm820 price

• $34.48

specifications cncmano:

• brand: Micro 100
• part type: Holder
• manufacturer part number: QTHM-820
• item type: Cylindrical Tool Holder
• country of origin: United States

shipping cncmano:

• cost: $0.00
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• type: Fixed
• transit: 4-10 Days

payments cncmano:

• wallet: Apple-pay
• credit card: Visa
• other

returns cncmano:

• paid by: Buyer
• time: 30 Days
• method: Money back
• policy: Returns Accepted

general cncmano:

• Business Industrial > CNC, Metalworking Manufacturing > Other CNC, Metalworking Manufacturing
• condition: New

seller cncmano:

• # reviews: 3498
• rating: 99.9%

offer cncmano:

• sold: 0
• started: April 21, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 3

Micro 100 QTHM-820 Is Similar To:

• Micro 100 Qfgc3-312-050-050x Qfgc3 -312-050-050x Carbide Face Grooving Bar Woc .050 Inch Machinist (42.3% similar) $31.71. (December 17th, 2024)
• Micro 100 4904000 Bbl - Carbide Boring Bar 1/2 Inch Shank Machinist (56.9% similar) $49.75–$132.50. (December 31st, 2024)
• Micro 100 Qfgc3-250-015-025x Qfgc3 -250-015-025x Carbide Face Grooving Bar Woc .015 Inch Machinist (43.4% similar) $24.68. (January 6th, 2025)
• Micro 100 2901100 Bbl - Carbide Boring Bar 1/4 Inch Shank Machinist (56.9% similar) $27.75–$50.70. (January 18th, 2025)
• Micro 100 Thm-1016 Boring Tool Holder 10mm Id 16mm Od 2-3/4 Oal Machinist (85.3% similar) $24.99–$34.12. (January 24th, 2025)
• Micro 100 320900 Bbl - Carbide Boring Bar 3/8 Inch Shank Machinist (55.9% similar) $69.15–$97.11. (February 10th, 2025)
• Micro 100 260750 Qbt 4 - Carbide Boring Tool-top Rake Chipbreaker Machinist (48.7% similar) $24.34–$28.68. (February 10th, 2025)
• Micro 100 Pbt6-260500x Carbide Boring Tool-top Rake Chipbreaker Altin Machinist (52.6% similar) $28.68. (February 20th, 2025)
• For Micro Miller At429b-6-5/8 4 Quantity Of Bits 5/8 Inch Diameter 1/4 -28 Qty (33.5% similar) $113.99. (March 14th, 2025)
• Micro 100 110700x Bbl - Carbide Boring Bar 1/8 Inch Shank Altin Machinist (54.7% similar) $37.98. (March 25th, 2025)
• Micro 100 Qfgc3-375-040-050 Qfgc3 -375-040-050 Carbide Face Grooving Bar Woc .040 Inch Machinist (41.6% similar) $30.63. (April 4th, 2025)