Product Description:
DIAGER HSS-CO COBALT 5% (HSS METAL DRILL BIT) – High Performance for Professional Use
Designed for demanding drilling operations, the DIAGER HSS-CO COBALT 5% (HSS Metal Drill Bit), series 731D02, is engineered to deliver exceptional results in the toughest metalworking applications.
Key Features:
- Material: Fully ground from high-speed steel with 5% cobalt (HSS-E), ensuring maximum hardness and superior wear resistance.
- Tip Geometry: 135° split point tip enables precise centering and minimizes wandering for clean, accurate starts.
- Flute Design: Flute type N guarantees efficient chip removal and reduced friction, improving drilling performance, especially in hard metals.
- Tolerance: Manufactured to strict h8 diameter tolerances for precision and consistency in every hole.
Benefits:
- Starting Precision: Split point tip guarantees pinpoint accuracy and easy penetration, reducing slippage on metal surfaces.
- Enhanced Hardness & Temperature Resistance: The 5% cobalt content delivers superior hardness and heat resistance, making these bits ideal for high-temperature drilling and extended tool life in tough materials.
- Versatility: Suitable for repetitive drilling tasks with consistent results across different metals.
Suitable Materials:
- Stainless Steel
- Alloy Steel
- Non-alloy Steel
- Spheroidal Cast Iron
- Cast Iron
Available Sizes:
- Ø2.0mm x 49mm
- Ø2.5mm x 57mm
- Ø3.0mm x 61mm
- Ø3.5mm x 70mm
- Ø4.0mm x 75mm
- Ø5.0mm x 86mm
- Ø5.5mm x 93mm
- Ø6.0mm x 93mm
- Ø6.5mm x 109mm
- Ø8.5mm x 125mm
- Ø10.5mm x 142mm
- Ø11.0mm x 142mm
- Ø13.0mm x 151mm
Pack Options: Available in packs of 5 to 10 pieces for higher efficiency and convenience on repetitive tasks or large projects.
Professional Recommendation: The DIAGER HSS-CO COBALT 5% drill bits are the preferred choice for professionals working with stainless steel, hardened steels, and cast irons. Their precision grinding, cobalt-enriched design, and advanced geometry ensure optimal performance, reduced downtime, and superior durability.
For industrial, metalworking, and construction experts who require reliability and consistent results—choose DIAGER for unmatched drilling performance.
