Guhring 9006050042000 Cobalt Jobber Drill Bit 4.2mm

Product Description

The GUHRING 9006050042000 is a cobalt jobber length drill bit designed for high-performance drilling in demanding materials. Built to DIN 338 standards in M35 cobalt material grade, it carries a 4.2 mm diameter (0.1654 inches) with a 130-degree split point and web-thinned tip geometry that promotes self-centering on entry. The straight-cylindrical shank measures 4.2 mm and the overall length is 75 mm. The bright uncoated finish suits applications where surface adhesion or contamination from coatings must be avoided. Licensed HVAC, plumbing, and mechanical trades as well as metalworking professionals install this bit for precision hole-making in hard or exotic alloys.

This Series 605 drill bit is rated for primary use in titanium alloy (Material Code M and S) and is a strong choice wherever DIN 338 jobber geometry is specified. The regular right-hand spiral with two flutes provides reliable chip evacuation in deep-hole applications up to a maximum drilling depth of 36.70 mm. The 5xD flute-by-diameter ratio and tapered web configuration support consistent performance in production and maintenance drilling environments, including aerospace, mechanical contracting, and industrial service work.

Key Features

• M35 cobalt construction for heat resistance and durability in hard alloys including titanium
• 130-degree split point with web-thinned tip for self-centering entry and reduced thrust
• DIN 338 standard jobber length geometry for broad compatibility with standard drill chucks
• Bright uncoated finish maintains dimensional accuracy and avoids coating buildup in sticky materials
• Two-flute regular spiral for efficient chip evacuation in deep-hole applications
• Straight-cylindrical shank fits standard keyless and keyed chucks without adapters

Compatibility

Designed as an OEM-specification jobber length drill bit conforming to DIN 338 for use in standard drill chucks accepting a 4.2 mm straight-cylindrical shank. Primary workpiece materials are titanium alloy and similar hard alloys per Material Code M and S designations.

Installation Notes

Installation and use of this drill bit should be performed by qualified machinists or trade professionals familiar with metal drilling operations. Secure the shank fully in the chuck and verify runout before drilling. Always wear appropriate eye protection and use cutting fluid or coolant suited to the workpiece material, noting that this bit does not support coolant-through operation. Follow applicable workplace safety standards and equipment manufacturer guidelines for spindle speed and feed rate selection.