Description
Product Overview
The Shars 5/8″ shank RH TNSR 10-2B notch threading and grooving holder is a precision‑engineered component designed for demanding machining environments. Constructed from high‑grade steel, the holder provides exceptional rigidity and resistance to wear, ensuring consistent performance over extended production runs. Its 5/8″ shank diameter matches standard CNC spindle interfaces, delivering a secure fit that minimizes vibration and maximizes tool stability. The holder supports both NG‑R and NT‑R insert styles, giving users flexibility to select the optimal cutting geometry for a wide range of materials.
Key specifications include a maximum depth of cut of 0.138″, an edge‑to‑insert tip length of 0.875″, and a right‑hand orientation that aligns with conventional machining setups. The design incorporates a notch threading profile that enhances chip evacuation and reduces the risk of material buildup during high‑speed operations. Weighing just one pound, the holder is lightweight enough for rapid tool changes while still providing the mass needed for damping cutting forces.
Manufactured by Shars, a reputable name in industrial tooling, this holder is part of the Indexable Insert Holders family and is listed under the Threading Holders category. Since its introduction on October 3, 2019, it has earned a solid ranking among industrial professionals, reflecting its reliability and performance in real‑world applications. The product is not discontinued, ensuring ongoing support and availability for customers.
Designed with machinists in mind, the holder’s geometry facilitates quick insertion and removal of inserts, reducing downtime and improving overall shop efficiency. The precision‑machined surfaces provide a tight tolerance fit, which is critical for maintaining dimensional accuracy during complex threading and grooving operations. Whether used in CNC milling, turning, or multi‑axis machining centers, the holder delivers consistent results that meet tight tolerances.
Overall, the Shars 5/8″ RH TNSR holder combines durability, versatility, and ease of use, making it an essential tool for manufacturers seeking to enhance productivity while maintaining high quality standards. Its compatibility with a range of insert styles and its robust construction ensure that it can handle a variety of machining tasks, from simple threads to intricate groove patterns.
![[Product front view showing all components]](https://www.ecomhomes.store/wp-content/uploads/2026/07/4937d4ca473741ddaa06f6a8a6e1c263.jpg)
Usage
This holder excels in environments where precision threading and grooving are required, such as aerospace component fabrication, automotive engine part production, and high‑performance equipment manufacturing. Its right‑hand configuration aligns with standard CNC tool holders, allowing seamless integration into existing tool magazines and automatic tool changers. The holder is particularly effective when machining hardened steels, stainless alloys, and exotic materials that demand stable cutting conditions.
In CNC milling applications, the holder provides the necessary rigidity to execute deep cuts without deflection, ensuring that thread dimensions remain within specification. For turning operations, the holder’s compact design enables close‑in machining of small diameter workpieces, while the notch threading feature assists in chip control, reducing the likelihood of tool wear caused by chip re‑cutting. The holder also performs well in multi‑axis machining centers where simultaneous threading and grooving may be required.</n
Operators appreciate the straightforward setup process: the insert is seated into the holder with a simple twist, and the holder is then secured into the spindle using the 5/8″ shank. This quick changeover capability is valuable in high‑mix production environments where tool changes are frequent. Additionally, the holder’s design minimizes the need for additional coolant channels, simplifying maintenance while still providing effective cooling during heavy cuts.
When used in conjunction with advanced CNC control software, the holder’s precise geometry enables the execution of complex thread profiles, including metric, UNC, and custom thread forms. The holder’s ability to maintain consistent tool positioning contributes to reduced cycle times and higher overall equipment effectiveness (OEE). For shops focused on lean manufacturing, the holder supports just‑in‑time production by reducing setup times and improving first‑pass yield.
Why Choose Us
Choosing the Shars 5/8″ RH TNSR holder means selecting a product backed by decades of engineering expertise and a commitment to quality. Shars adheres to rigorous manufacturing standards, employing precision CNC machining and thorough quality inspections to guarantee that each holder meets exacting tolerances. This dedication to quality translates into a tool that delivers reliable performance day after day, reducing the risk of unexpected downtime.
Our after‑sales support includes technical assistance from experienced engineers who can help you optimize your machining parameters for the best results. We also provide comprehensive documentation, including installation guides and performance charts, to ensure that you can get the most out of your investment quickly and confidently.
In addition to product reliability, we prioritize sustainability by using recyclable materials and implementing environmentally responsible manufacturing processes. By choosing our holder, you not only improve your production efficiency but also contribute to greener manufacturing practices.
We stand behind our products with a warranty that covers manufacturing defects, giving you peace of mind and reinforcing our confidence in the durability of the holder. Our responsive customer service team is ready to address any concerns, ensuring that you receive the support you need throughout the product lifecycle.
Overall, the combination of superior engineering, robust material selection, and dedicated customer support makes the Shars holder a smart choice for manufacturers who demand consistency, precision, and value.
Key Features
- High‑grade steel construction provides long‑lasting durability and wear resistance.
- 5/8″ shank ensures a secure fit in standard CNC spindles, reducing vibration.
- Compatible with NG‑R and NT‑R insert styles for versatile cutting applications.
- Maximum cut depth of 0.138″ enables deep threading and grooving without deflection.
- Responsive customer support and warranty give confidence in long‑term performance.
FAQ
What insert sizes are compatible with this holder?
The holder is designed for NG‑R and NT‑R insert styles, typically ranging from 0.5″ to 1.0″ in diameter, allowing flexibility for various machining tasks.
Can this holder be used in left‑hand spindle configurations?
No, the holder is specifically engineered for right‑hand orientation to match standard CNC tool setups. For left‑hand applications, a different model would be required.
Is the holder suitable for high‑speed machining?
Yes, its high‑grade steel composition and precise tolerances make it well‑suited for high‑speed operations, providing stability and consistent cut quality.
How do I install the insert into the holder?
Insert the cutting insert into the holder’s seat, rotate it until it locks into place, and then secure the holder into the spindle using the 5/8″ shank. No additional tools are required.
What is the recommended coolant flow for this holder?
While the holder does not require dedicated coolant channels, using a steady flow of coolant directed at the cutting zone helps maintain temperature control and prolongs insert life.




Reviews
There are no reviews yet.