Twist drill bit Irwin 10502021 — diameter 1.6 cm, 1 piece

Irwin 10502021 twist drill bit with a 1.6 cm diameter is a single-piece cutting tool intended for standard drilling where a straight cylindrical hole is required. The bit features a spiral flute design to guide chips away from the cutting edge and is compatible with common hand drills and drill presses. It is suitable for general drilling tasks in applicable materials and is part of Irwin's range of cutting tools designed for reliable performance.

Advantages

The spiral flute promotes continuous chip removal and reduces clogging at the cutting edge, while the robust single-piece construction offers stable performance under typical drilling loads. The design ensures straightforward mounting in standard chucks and steady rotation for consistent hole quality. This bit is manufactured to fit routine drilling needs with durable materials and machining appropriate for general-purpose use.

Suitable for

• General purpose drilling in compatible materials
• Use with handheld electric drills
• Use with drill presses for repeatable holes

Key specifications

• Type: twist drill bit (single piece)
• Diameter: 1.6 cm
• Flute: spiral flute design for chip removal
• Compatibility: standard drill chucks and drill presses

How to use

Secure the twist drill bit in a properly sized and tightened chuck, set the drill to an appropriate speed for the work material, and apply steady pressure while drilling. Use cutting fluid when recommended for the material to reduce heat and prolong tool life. Withdraw the bit periodically on deeper holes to clear accumulated chips and maintain consistent cutting action.

Usage recommendations

Use appropriate personal protective equipment, clamp the workpiece where possible, and match drilling speed to the material being worked. Regularly inspect the bit for wear and replace when the tip becomes dull or the flute is damaged to maintain hole quality and safe operation.