Import 27409 Jobber Drill Bit 3.4mm Hss 118 Degree

Product Description

The IMPORT 27409 is a jobber-length twist drill bit designed for general-purpose drilling in metal, wood, and plastic. It is manufactured from high speed steel (HSS) with an oxide coating that reduces friction and extends tool life under moderate heat conditions. The bit features a 118-degree standard point angle and a regular spiral flute for efficient chip evacuation. At 2-7/8 inches overall length with a 1-47/64-inch flute length, it fits standard drill chucks and is sized at 3.4 mm (0.1339 inches) diameter. Machinists, pipefitters, electricians, and general tradespeople use this bit for everyday production and layout drilling tasks.

This bit is suited for light-duty to medium-duty drilling in shop and field environments. The straight-cylindrical shank seats securely in keyed or keyless drill chucks. The web-thinned, tapered web configuration reduces the thrust required to start and advance the cut, making it practical for handheld drills as well as drill presses. It is sold individually and is a general-purpose option where a metric-diameter hole in the 3.00 mm to 4.00 mm range is required.

Key Features

• 3.4 mm (0.1339 inches) diameter, jobber-length geometry at 2-7/8 inches OAL
• High speed steel construction with oxide finish for reduced friction and heat resistance
• 118-degree standard point angle for general-purpose material entry
• Right-hand cut, regular spiral flute for consistent chip removal
• Web-thinned, tapered web reduces drilling thrust and improves center starting
• Straight-cylindrical shank compatible with standard drill chucks

Compatibility

Designed as a general-purpose jobber-length drill bit compatible with keyed and keyless drill chucks accepting a 0.1339-inch straight-cylindrical shank, suitable for use in handheld drills and bench-mounted drill presses.

Installation Notes

Secure the shank fully in the chuck before drilling and verify the workpiece is clamped or fixtured to prevent spinning. Use appropriate cutting fluid or lubricant when drilling ferrous metals to manage heat and extend bit life. Allow the flute to clear chips regularly, especially in deeper holes, to prevent binding or breakage. Inspect the cutting edges before each use and replace bits showing chipping, dulling, or discoloration from overheating.