Description
Product Overview
The YG-1 Cobalt Steel Throw‑Away Spade Drill Insert is engineered for demanding machining environments where durability and performance are paramount. Constructed from high‑grade cobalt steel, the insert offers superior hardness and resistance to wear, making it suitable for cutting high‑nickel alloys and other materials that exceed 280 Brinell hardness. A titanium nitride (TiN) coating further enhances surface hardness, reduces friction, and extends tool life, while the 1‑1/8″ diameter provides a balanced cutting geometry for precise material removal. The insert is supplied in a convenient pack of one, with compact dimensions of 1.5 x 1.4 x 0.3 inches and a lightweight of 2.88 ounces, ensuring easy handling and storage. Designed as a disposable, or “throw‑away,” component, it eliminates the need for costly re‑sharpening processes and allows rapid replacement directly on the machine, minimizing downtime and maximizing productivity.
Usage
This spade drill insert excels in applications that involve high‑nickel alloys such as Inconel, Hastelloy, and other corrosion‑resistant materials commonly used in aerospace, petrochemical, and power generation industries. Its robust construction enables reliable drilling of tough workpieces, while the TiN finish reduces heat buildup during high‑speed operations, preserving dimensional accuracy. The insert is compatible with standard indexable tool holders and can be quickly mounted in CNC machining centers, turning centers, and manual drill presses. Because it is a disposable insert, operators can swap it out after a predetermined number of holes or when wear indicators become visible, ensuring consistent cutting performance without the need for complex setup adjustments. The product’s lightweight nature also contributes to reduced machine vibration, enhancing surface finish quality on critical components.
Why Choose Us
Choosing the YG-1 throw‑away spade drill insert means selecting a solution backed by over a decade of industry experience and a reputation for quality. YG‑1, the manufacturer, has a proven track record in producing high‑performance cutting tools that meet rigorous standards for hardness, toughness, and dimensional stability. Each insert undergoes strict quality control inspections, including hardness testing and coating thickness verification, to guarantee that it meets the specified 280+ Brinell requirement. The disposable design not only reduces the cost associated with re‑grinding but also simplifies inventory management, as you can keep a small stock of ready‑to‑use inserts on the shop floor. Additionally, YG‑1 provides responsive technical support and detailed usage guidelines, ensuring that you can achieve optimal results regardless of your machining expertise.
Key Features
- High‑grade cobalt steel provides exceptional hardness for cutting tough alloys.
- TiN coating reduces friction and extends tool life, delivering smoother cuts.
- Disposable design eliminates re‑sharpening costs and cuts machine downtime.
- Compact size and lightweight make handling and storage effortless.
- Dedicated customer support ensures quick answers to technical questions.
FAQ
What materials can this insert reliably drill?
The insert is optimized for high‑nickel alloys such as Inconel 718, Hastelloy C‑276, and other materials that exceed 280 Brinell hardness, as well as stainless steels and hardened tool steels.
How often should the insert be replaced?
Replacement intervals depend on cutting speed, feed rate, and material hardness, but a typical guideline is after 500‑800 holes in high‑nickel alloys or when visible wear appears on the cutting edge.
Is the TiN coating compatible with coolant fluids?
Yes, the TiN coating is chemically stable and works well with standard water‑based or oil‑based coolants, helping to control temperature and improve chip evacuation.
Can this insert be used in manual drill presses?
Absolutely. Its standard shank size and indexable geometry allow easy installation in both CNC machines and manual drill presses, making it versatile for a range of shop floor applications.
What warranty or guarantee does YG‑1 provide?
YG‑1 offers a limited warranty covering manufacturing defects for a period of 12 months from the date of purchase, along with technical assistance to help you achieve the best performance.





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