Description
Triumph 099821 ThunderBit Cobalt 29-Piece Set Cobalt & HSS Bronze Oxide 1/16″-1/2″ by 64ths is a high-performance drill set designed for precision and durability in demanding drilling applications. Each drill features a heavy-duty core to increase strength and reduce breakage, with a unique spiral flute design that improves chip ejection and coolant flow. Made from M42 Cobalt steel with HSS bronze oxide finish, these drills are ideal for harder, more abrasive materials, making them perfect for professional, industrial, and maintenance tasks.
Features:
- M42 Cobalt steel construction with HSS bronze oxide finish for enhanced durability and performance in tough materials.
- Heavy-duty core provides increased strength and reduces breakage.
- Unique spiral flute design improves chip ejection and coolant flow to the point.
- 29-piece set covering sizes 1/16″-1/2″ by 64ths for versatile drilling applications.
- Manufactured by Triumph for professional-grade quality and reliability.
Benefits:
- Delivers precise, clean, and consistent holes in hard and abrasive materials.
- Durable construction extends drill life and reduces wear.
- Efficient chip removal and cooling improve drilling performance and reduce overheating.
- Versatile set suitable for industrial, professional, and maintenance tasks.
Technical Specifications:
- Model: 099821
- Type: Drill Set
- Material: M42 Cobalt Steel with HSS Bronze Oxide finish
- Pieces: 29 (1/16″-1/2″ by 64ths)
- Features: Heavy-duty core, spiral flutes, cobalt construction
- Applications: Drilling in hard, abrasive metals, wood, and plastic





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