Osg 8595445 Screw Machine Drill Bit 0.1752 in Hss

Product Description

The OSG 8595445 is a screw machine length drill bit designed for high-performance drilling in metalworking and machining applications. Built from high speed steel with a coated finish, this bit features a 120-degree faceted point angle and a web-thinned, tapered web configuration that reduces entry resistance and improves centering accuracy. The straight-cylindrical shank measures 6.00 millimeters (0.236 inches) in diameter, and the overall length is 68.00 millimeters (2.677 inches). With a 5xD flute-to-diameter ratio and regular spiral flute geometry, it is well suited for production drilling in a range of materials. Machinists and tool and die technicians are the primary installers of this type of bit.

This drill bit is intended for use in CNC machining centers, manual drill presses, and screw machine setups where a compact, stub-length drill is required. It falls within the 0.1500 to 0.2000 decimal inch size range and belongs to OSG Series 1100. Primary workpiece materials include steel, stainless steel, aluminum, aluminum alloy, and aluminum silicate. The right-hand cut direction and spiral flute type make it compatible with standard right-hand spindle rotation equipment commonly found in job shops and production facilities.

Key Features

• 0.1752 inch (4.45 mm) drill bit diameter with a tolerance of +0 to -0.018 mm
• 120-degree faceted drill point angle for accurate entry and reduced walking
• Web-thinned tapered web reduces thrust force during drilling
• High speed steel construction with coated finish for extended tool life
• Screw machine (stub) length for improved rigidity in tight setups
• 2-flute regular spiral design supports chip evacuation in steel and aluminum

Compatibility

Designed as a screw machine length replacement drill bit for use in standard right-hand spindle drill presses, CNC machining centers, and screw machines accepting a straight-cylindrical shank. Primary workpiece materials include steel, stainless steel, aluminum, aluminum alloy, and aluminum silicate.

Installation Notes

Installation is performed by machinists or tool and die technicians. Power down and de-energize the spindle before changing tooling. Secure the straight-cylindrical shank firmly in a compatible chuck or collet to the appropriate clamping specification for your machine. Coolant-through operation is not supported on this bit, so ensure adequate surface or flood cooling is applied externally when drilling harder materials such as stainless steel.