Value Collection 01198472 Cobalt Jobber Drill Bit No. 47

Product Description

The VALUE COLLECTION 01198472 is a cobalt jobber-length drill bit in wire gauge size No. 47, with a decimal diameter of 0.0785 inches. It features a 135-degree split point that reduces walking and allows drilling to start without a center punch in most applications. The straight shank and regular spiral flute geometry make it compatible with standard drill chucks. At 2 inches overall length with a 1 inch flute length, this is a compact bit suited for close-quarters drilling. Machinists, tool-and-die workers, and maintenance technicians install and use this bit for precise small-diameter work in hard and abrasive materials.

This cobalt drill bit is engineered for use on stainless steel, hardened steel, and other hard-to-machine materials where high-speed steel bits lose their edge prematurely. It suits CNC drilling operations, drill press work, and handheld drilling in maintenance and fabrication environments. The straw finish indicates a heat-treated cobalt substrate, providing added hardness and heat resistance at the cutting edge. Typical applications include drilling bolt clearance holes, pilot holes, and tap-drill holes in ferrous and high-alloy workpieces in both shop and field settings.

Key Features

• Cobalt construction for drilling stainless steel and hardened materials
• 135-degree split point reduces thrust and minimizes bit walking on hard surfaces
• Right-hand cutting direction with regular spiral flutes for efficient chip evacuation
• Straight cylindrical shank fits standard three-jaw drill chucks
• Straw finish heat-treated for improved hardness and cutting-edge retention
• Heavy-duty grade construction for demanding production and maintenance use

Compatibility

Designed as an OEM-style replacement or standard tooling option for any drill press, CNC machine, or handheld drill using a straight-shank bit in the wire gauge No. 47 size range within the 0.0500 to 0.1000 inch decimal inch size class.

Installation Notes

Installed by machinists, fabricators, and maintenance technicians using standard three-jaw or collet-style drill chucks. Secure the shank fully in the chuck before drilling and ensure the workpiece is firmly clamped to prevent movement. Use appropriate cutting fluid or coolant when drilling stainless steel or hardened materials to extend bit life and reduce heat buildup. Replace the bit when thrust force increases noticeably or surface finish degrades, as cobalt bits can fracture if forced beyond their cutting capacity.