Guhring 9005490135000 Jobber Drill Bit 13.5 Mm Hss

Product Description

The GUHRING 9005490135000 is a jobber length drill bit designed for precision hole-making in metalworking applications. Built from high speed steel with a nitrided land coating, this bit delivers improved wear resistance and surface hardness compared to uncoated HSS tooling. It measures 13.5 mm (0.5315 inches) in diameter with an overall length of 160.00 mm (6-19/32 inches) and a flute length of 108.00 mm (4-1/4 inches). The parabolic flute geometry promotes efficient chip evacuation, reducing heat buildup and improving feed rates. The web-thinned, tapered web configuration reduces thrust force at entry. Intended for installation by machinists and toolroom technicians working with drill presses, CNC machining centers, and hand-held power tools.

This drill bit is rated primarily for aluminum and non-ferrous materials, as indicated by its workpiece material codes K, N, and P under DIN classification. The parabolic flute design with a 5xD flute-to-diameter ratio supports deeper drilling passes with less frequent chip clearing. The 130-degree drill point angle suits the softer material applications for which this series is optimized. It is a straight-cylindrical shank design compatible with standard drill chucks and collet systems sized for 0.5315-inch shank diameter. The Series 549 designation follows DIN 338 standards, placing it within the 12.50 mm to 15.00 mm diameter range family.

Key Features

• High speed steel construction with nitride land coating for improved wear resistance
• Parabolic flute geometry aids chip evacuation and reduces heat buildup
• Web-thinned tapered web reduces entry thrust force
• 130-degree drill point angle optimized for aluminum and non-ferrous workpiece materials
• Straight-cylindrical shank fits standard drill chucks and collet holders
• Manufactured to DIN 338 specification with diameter tolerance of -0.027 to 0.000 mm

Compatibility

Designed as an OEM-spec jobber length drill bit per DIN 338 standards, compatible with drill chucks and collet systems accepting a 0.5315-inch straight-cylindrical shank. Primary workpiece material codes K, N, and P indicate suitability for aluminum, non-ferrous metals, and non-metallic materials.

Installation Notes

Installation is performed by machinists or toolroom personnel using standard drill press, CNC machining center, or portable drilling equipment. Ensure the machine spindle and chuck are de-energized and fully stopped before inserting or removing the bit. Verify chuck or collet is rated for the 0.5315-inch shank diameter and that the workpiece is securely fixtured before beginning any drilling operation. Do not exceed the rated maximum drilling depth of 3.455 inches without retracting the bit to clear chips.