Fein 63127838003 TCT Ultra 35 Core Bit with 3/4in Weldon Holder
The FEIN TCT Ultra 35 Core Bit with 3/4 in Weldon Holder 6.35 mm inner Bore is a professional-grade carbide-tipped core drilling accessory designed for fast, precise and highly efficient drilling in metalworking and industrial applications. Engineered for magnetic drilling machines and demanding workshop environments, this high-performance TCT core bit delivers superior cutting speed, exceptional hole quality and reliable performance in structural steel, fabrication and engineering tasks.
Manufactured with ultra-durable carbide-tipped cutting edges and a premium TiAlSiN surface coating, this TCT Ultra 35 core bit is built for maximum work progress and extended service life. The advanced coating offers outstanding heat resistance up to 800°C and extreme hardness, allowing the bit to handle demanding drilling operations while maintaining consistent performance. Its optimised geometry supports smooth cutting, reduced burr formation and efficient chip removal for cleaner, more precise results.
With a 6.35 mm inner bore diameter, 35 mm cutting depth and a standard 3/4 in Weldon holder, this FEIN core drill bit ensures secure mounting, stable torque transfer and compatibility with industry-standard magnetic drilling systems. Designed for professional users who require durability, speed and accuracy, the TCT Ultra 35 is ideal for continuous industrial use, fabrication work and high-volume drilling operations. Available in Ø14 - 36 mm with a cutting depth of 35 mm.
Features
- Professional TCT Ultra 35 core bit for fast and precise metal drilling
- 14 /36 mm bore diameter for accurate and clean hole creation
- 35 mm cutting depth for controlled and efficient drilling performance
- Carbide-tipped cutting edges for outstanding durability and cutting speed
- TiAlSiN coating for enhanced heat resistance and longer service life
- Heat resistant up to max. 800°C for demanding applications
- High hole quality with smooth cutting and minimal burr formation
- Optimised flute design for effective chip evacuation
- Designed for continuous professional and industrial use
- 3/4 in Weldon holder for secure fitment and reliable torque transfer
Applications
- Core drilling in structural steel and fabrication projects
- High-speed metal drilling with magnetic drilling machines
- Industrial engineering and maintenance operations
- Workshop and on-site professional drilling applications
- Precision drilling where clean holes and minimal burrs are required
- Serial drilling and repetitive industrial production tasks
- General-purpose metalworking and heavy-duty fabrication
- Applications requiring long service life and fast cutting performance
| Technical Data | |
|---|---|
| Material | HM (carbide-tipped) |
| Vickers hardness (HV) | 1 450 HV |
| Coating | Titanium Aluminium Silicon Nitride |
| Coating thickness | 3 µm |
| Coating strength | 3 800 HV |
| Heat resistance | max. 800°C |
| Total length | 74.5 mm |
| Core drill holder | 3/4 in Weldon |
| Inner bore Ø | 6.35 mm |
| Cutting depth | 35 mm |
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Datasheet34mm Datasheet35mm Datasheet36mm