Twist drill bit Irwin 10502004 diameter 1.4 cm for rotary hammer 1 pc

Irwin 10502004 twist drill bit with a 1.4 cm diameter is a single-piece solid bit engineered for use with rotary hammers. The bit features a patented extra-short carbide tip and a new single-flute geometry that together increase drilling speed and improve waste removal. Brazed at high temperature for a strong bond between tip and body, this drill bit is intended for repetitive drilling tasks in construction and renovation where compatibility with SDS rotary hammers and stable hole size are required.

Advantages

The patented extra-short carbide tip concentrates up to 80% of the workload in the head, which provides higher durability and faster penetration. The head design self-centers for easier control and includes more aggressive concave cutting angles for improved cutting action. The single-flute design increases chip clearance capacity by approximately 28%, reducing clogging and promoting consistent performance. High-temperature brazing secures the carbide tip to the body for increased heat resistance and longer service life. The bit is compatible with SDS rotary hammer shanks, ensuring straightforward mounting and reliable engagement.

Suitable for (tasks / use cases)

• Drilling holes in concrete and masonry with a rotary hammer
• Construction and renovation tasks requiring a durable, single-piece drill bit
• Situations where fast penetration and efficient dust removal are needed
• Applications needing self-centering for improved positional control

Key specifications

• Diameter: 1.4 cm
• Tip: extra-short carbide tip with aggressive concave cutting angles
• Flute design: single flute for increased chip clearance
• Construction: solid single-piece design
• Brazing: high-temperature brazed carbide tip for enhanced heat resistance
• Compatibility: fits SDS rotary hammers

How to use

Install the bit into the rotary hammer's SDS chuck according to the tool manufacturer's instructions, ensuring it locks securely. Align the self-centering tip with the marked drilling location and start the tool at low speed to establish the hole, then apply steady pressure and increase speed as appropriate for the material. The single flute helps evacuate dust and debris; withdraw the bit periodically for long or deep holes to clear accumulated waste and reduce overheating. Allow the bit to cool if it becomes excessively hot during extended use.

Usage recommendations

Use appropriate personal protective equipment such as safety glasses, hearing protection and dust mask when drilling masonry or concrete. For best results, match drilling mode and speed to the substrate and avoid excessive side loads to prolong tip life. Regularly inspect the carbide tip and replace the bit when cutting performance or hole quality degrades.