Import 27402 Jobber Drill Bit 1.00 Mm 118 Degree Hss

Product Description

The IMPORT 27402 is a jobber-length twist drill bit ground from high speed steel and finished with an oxide coating for light lubricity and corrosion resistance. It is sized at 1.00 mm (0.0394 inch) in diameter with a standard 118-degree point angle and a right-hand spiral flute configuration. At 41.00 mm (1-39/64 inches) overall length with a 17.00 mm (43/64 inch) flute, it fits the jobber-length standard that machinists, maintenance mechanics, and fabricators rely on for general-purpose through-hole drilling in ferrous and non-ferrous materials.

This bit is suited for general-purpose drilling in light manufacturing, maintenance, and fabrication settings. The straight-cylindrical shank seats in standard drill chucks and collets without modification. The web-thinned, tapered web construction reduces thrust load at entry, making it practical for small-diameter work in steel, aluminum, brass, and plastics. It is appropriate for use in benchtop drill presses, hand drills, and CNC turret applications where a 1.00 mm diameter is required.

Key Features

• 1.00 mm (0.0394 inch) diameter — falls within the 0.00 to 2.00 mm size range for small-diameter drilling
• 118-degree standard point angle for general-purpose entry into a wide range of materials
• High speed steel construction provides heat resistance during continuous drilling cycles
• Oxide coating adds surface lubricity and basic corrosion protection
• Web-thinned, tapered web reduces cutting thrust at the drill tip
• Right-hand spiral flute with regular helix evacuates chips efficiently from shallow holes
• Straight-cylindrical shank compatible with standard drill chucks and collets

Compatibility

Designed as a general-purpose jobber drill bit for use in standard drill chucks and collets accepting a 0.0394-inch straight-cylindrical shank across a range of hand, bench, and machine drilling applications.

Installation Notes

Secure the shank fully in the chuck and verify concentricity before drilling. Use appropriate cutting fluid or lubricant when drilling ferrous metals to extend tool life. At 1.00 mm diameter, the bit is susceptible to breakage under side load or feed pressure that is too aggressive — reduce feed rate accordingly. Follow applicable shop safety practices including eye protection and secure workholding.