DESCRIPTION

1. Product Overview

The TCGT110304 is a G-class precision-ground, single-sided triangular indexable turning insert with a cylindrical fixing hole, engineered for high-surface-finish precision turning of soft, non-ferrous and non-metallic materials — including aluminum and aluminum alloys, copper, brass, bronze, and plastics. Featuring a symmetric 60-degree equilateral triangular shape with 3 indexable cutting edges, a 7-degree positive relief angle, and a fine 0.4mm nose radius (R0.4), this screw-clamp insert is designed for screw-clamp tool holders (such as STGCR/L style holders). Its sharp, free-cutting positive geometry delivers very low cutting forces, reduced built-up edge, and smooth chip evacuation — producing excellent, high-gloss surface finishes in finish and super-finishing operations on soft materials.

2. Technical Specifications

• ISO Code: TCGT110304 (ANSI: TCGT 221)

• Shape: T-Shape (60 Degree Equilateral Triangle)

• Relief Angle: C-Type (7 Degree Positive clearance — free-cutting geometry that minimizes cutting force and material adhesion)

• Precision Class: G-Class (Precision ground perimeter and thickness for exact repeatability)

• Clamping / Hole Type: T-Type (Cylindrical fixing hole with 40°–60° countersink on one side, chipbreaker on one face only — screw-clamp mounting)

• Inscribed Circle (IC): 6.35 mm (1/4 inch) | Thickness: 3.18 mm (1/8 inch)

• Cutting Edge Length (L): 11 mm

• Nose Radius: 0.4 mm (R0.4 / 1/64 inch) — fine radius ideal for light finishing cuts on soft materials

• Number of Cutting Edges: 3 Indexable corners per insert (single-sided)

• Workpiece Materials: ISO N — Non-ferrous metals (aluminum, aluminum alloys, copper, brass, bronze) and non-metallic materials (plastics, composites)

• Machining Type: High-finish turning, facing, chamfering, profiling, and internal boring — finish to super-finishing on soft materials

• Compatible Tool Holder: Screw-clamp holders, STGCR/L style (e.g. STGCR/L 1212H11)

CNC Inserts - Frequently Asked Questions

1. How do I choose the right grade for my specific machining application?

Choosing the correct grade is crucial for tool life and performance. We provide a comprehensive Grade Cross-Reference Chart that maps our CD Carbide grades to major international brands like Sandvik, Mitsubishi, and Kyocera. If you are unsure, simply provide us with the workpiece material (P, M, K, S, H) and machining conditions, and our engineers will recommend the best solution.

2. Can you provide customized CNC tools based on our drawings?

Yes. As a factory-direct manufacturer, we specialize in bespoke engineering. Whether you need non-standard dimensions, specific chipbreakers, or customized coatings for unique alloys, our technical team can develop products based on your technical drawings (PDF/STEP) or physical samples.

3. Do you offer free samples for testing before bulk orders?

We understand that "trial cutting" is the only way to verify tool stability. We offer sample packs for professional buyers to test performance on their own CNC machines. Please contact our sales team with your machine specifications and the material you are processing to request your trial samples.

4. How do you ensure the quality consistency of your carbide inserts?

Our quality control is integrated into every step of the production process in Zhuzhou. We use high-purity tungsten carbide powder and advanced PVD/CVD coating equipment. Each batch undergoes rigorous inspection, including microscopic edge analysis and hardness testing, to ensure that the performance of the 1,000th insert is identical to the 1st.

5. What is the typical lead time for international B2B orders?

For standard models in stock (such as WNMG, CNMG, etc.), we usually ship within 3-5 business days. For customized tools or large-volume OEM orders, the production cycle typically ranges from 2 to 4 weeks, depending on the complexity of the design and coating requirements.

6. Are you a manufacturer or a trading company?

We are a direct manufacturing enterprise based in Zhuzhou, the hunan of China’s tungsten carbide industry. By cutting out the middleman, we provide factory-direct pricing and faster technical support. This allows us to offer more flexible MOQs (Minimum Order Quantities) for small-to-medium-sized distributors and specialized machine shops.