Osg 8655850 Jobber Drill Bit 8.5mm Hss WD1

Product Description

The OSG 8655850 is a jobber-length twist drill bit designed for precision hole-making in metal, composite, and general-purpose materials. Built from vanadium high speed steel with a WD1 coating, it delivers extended tool life and heat resistance under continuous cutting loads. The bit features a 120-degree faceted point angle with S-thinned web geometry, reducing entry force and improving centering accuracy. With a fast spiral flute and right-hand cut, it evacuates chips efficiently and suits a wide range of materials. Licensed machinists, tool-and-die technicians, HVAC fabricators, and plumbers working with metal pipe or sheet stock will find this bit suited to production and field use alike.

This drill bit is sized at 8.5 mm (0.3346 inches) and fits standard straight-cylindrical chuck configurations. The 10 mm shank diameter and 125 mm overall length (75 mm flute length) make it compatible with benchtop drill presses, handheld power drills, and CNC drill stations requiring jobber-length tooling. It falls within the 8.00 mm to 9.00 mm size range bracket and is sold individually.

Key Features

• Vanadium high speed steel construction for improved wear and heat resistance over standard HSS
• WD1 coating reduces friction and extends cutting life in ferrous and non-ferrous materials
• 120-degree faceted point angle with S-thinned web for reduced thrust and self-centering entry
• Fast spiral flute promotes aggressive chip evacuation in deeper holes
• Straight-cylindrical shank fits standard 3-jaw drill chucks without adapters
• Right-hand cut, tapered web configuration suits conventional drilling setups

Compatibility

Designed as a jobber-length replacement drill bit for use in standard straight-chuck handheld drills, drill presses, and CNC drilling equipment accepting 10 mm straight-cylindrical shanks.

Installation Notes

This bit is installed and removed by a licensed machinist or qualified tradesperson using a standard keyed or keyless drill chuck. Secure the shank fully in the chuck before operation and verify chuck tightness before each use. Always power down and disconnect or lock out the drill press or power tool before changing bits. Use appropriate cutting fluid or coolant on hard metals to preserve coating integrity and cutting edge life, even though this bit does not support through-coolant delivery.