Grewin U-Drill Insert
Model: SOMT110308-QD GW1308
Type & Application
- Category: U-drill insert
- Drilling range: Large-diameter drilling (11mm – 30mm)
- Workpiece materials: Suitable for machining difficult-to-cut materials
- Industries: Automotive, aerospace, machinery manufacturing, and more
Dimensions & Specifications
- Insert length: approx. 11mm
- Thickness: 3.97mm
- Nose radius: 0.8mm
- Four cutting edges:
- Dual-function design for both center and peripheral cutting
- 2 inner edges + 2 outer edges = 4 usable cutting edges
- Cost-effective compared to single-edge or double-edge inserts
Material & Coating
- Substrate: High-strength carbide substrate
- Coating: Advanced PVD coating
- Performance advantages:
- Excellent wear resistance
- High impact resistance
- Versatile for machining steel, stainless steel, and cast iron
- Enhances cutting performance and tool life
Structural Design
- Wavy cutting edge: Reduces cutting resistance
- Optimized chip groove:
- Prevents chip clogging
- Improves chip evacuation efficiency
- Ensures smooth and stable drilling
- Overall benefits: High drilling efficiency, reliable performance, and smooth operation
