Hertel C.402.0320 Jobber Drill Bit 3.20 Mm Hss

Product Description

The HERTEL C.402.0320 is a high speed steel jobber-length drill bit ground to a 118-degree standard point angle. It is designed for general-purpose drilling in a wide range of materials including mild steel, aluminum, wood, and plastics. The bit measures 3.20 mm in diameter (0.1260 inch decimal equivalent) with a 70 mm overall length and a 41 mm flute length. An oxide finish reduces friction and provides light corrosion resistance during storage and use. Two spiral flutes evacuate chips efficiently with a right-hand cutting direction. This is a production and maintenance tool used daily by machinists, pipefitters, electricians, and general tradespeople on the shop floor or in the field.

The C.402.0320 fits within the 3.00 mm to 4.00 mm drill bit size range, making it appropriate for light-duty pilot holes, clearance holes, and general drilling tasks in residential and commercial maintenance applications. Its straight-cylindrical shank seats in standard 3-jaw chucks on hand drills, drill presses, and portable magnetic drills. The compact jobber length makes it manageable in tight spaces where longer bits are impractical. It is sold individually and is well suited for stocking in tool cribs, service vans, and maintenance kits where a precise 3.20 mm diameter is required.

Key Features

• 3.20 mm diameter with 0.1260 inch decimal equivalent for precise hole sizing
• 118-degree standard point angle for general-purpose drilling across common materials
• High speed steel construction for durability in production and maintenance environments
• Oxide coating reduces friction and provides light corrosion resistance
• Two spiral flutes with right-hand cutting direction for efficient chip evacuation
• Straight-cylindrical shank compatible with standard 3-jaw chucks

Compatibility

Designed as a general-purpose jobber drill bit compatible with any standard 3-jaw chuck capable of accepting a straight-cylindrical shank in the 3.00 mm to 4.00 mm size range, including hand drills, drill presses, and portable magnetic drilling units.

Installation Notes

Secure the shank fully in the chuck and verify the bit runs true before drilling. Always clamp the workpiece to prevent rotation on breakthrough. Power down and disconnect or de-energize the drill before changing bits. Follow applicable shop safety standards and wear appropriate eye protection when drilling.