Overview
Thread tapping in cast iron components requires tools capable of maintaining high wear resistance and consistent thread quality during production machining. The ADDTHREAD CAST Straight Flute tap is engineered to deliver reliable tapping performance in cast iron components used across automotive and industrial applications.
Customer Challenge
Manufacturers tapping cast iron components experienced:
- Frequent tap replacements
- Reduced productivity due to tool wear
- Inconsistent thread quality
The requirement was to increase tool life while maintaining stable tapping performance in high-volume production.
Addison Solution
Tool Used: ADDTHREAD CAST Straight Flute Tap
Specifications
- Tool Material: HSSE (M35)
- Coating: TiAlN
- Standard: DIN371 / DIN376
- Application: Through hole and blind hole tapping on cast iron
The tap design ensures stable cutting edges and efficient chip evacuation, improving overall tool life.
Application Details
Customer: Omkar Precision, Pune
Component: Companion Flange
Material: Grey Cast Iron
Hardness: 180 – 220 BHN
Tap Size: M8 × 1.25P – 6H
Additional field tests were conducted across multiple cast iron components including crankcase housings and steering housings.
Performance Results
Tool Life Comparison in Cast Iron Tapping
Comparison:
Tool Tool Life (No. of Holes)
ADDTHREAD CAST 5600 holes
Competitor Tap 4800 holes
Additional application result:
Tool Life
ADDTHREAD CAST 3740 holes
Competitor Tap 3060 holes
These results demonstrate significant improvement in tap life across cast iron machining applications.
Key Benefits
✔ Increased tool life in cast iron tapping
✔ Stable thread quality
✔ Reduced tool replacement frequency
✔ Improved machining productivity
