Precision Twist Drill 5999297 Screw Machine Drill Bit

Product Description

The PRECISION TWIST DRILL 5999297 is a screw machine length drill bit designed for precision drilling in tight-clearance and high-cycle production environments. Built from high speed steel with a bright, uncoated finish, this bit features a 118-degree standard point angle and a right-hand spiral flute for efficient chip evacuation. The straight-cylindrical shank seats securely in standard drill chucks and collets. At 0.042 inches in diameter, it corresponds to a No. 58 wire gauge size and is engineered for high-performance general-purpose drilling with a web-thinned, tapered web configuration for improved point penetration.

This screw machine length drill bit is suited for use in drill presses, CNC machining centers, and hand-held production drilling equipment. Its shortened flute length and compact overall length make it stable under high-speed, high-feed conditions typical in shop and production floor settings. The bit is rated for drilling into titanium as its primary workpiece material, making it appropriate for aerospace, medical device, and precision metalworking applications where dimensional accuracy is critical. Licensed machinists, tool-and-die makers, and production drilling technicians are the primary users.

Key Features

• No. 58 wire gauge diameter at 0.042 inches for precise small-hole drilling
• High speed steel construction provides durability across a wide range of metalworking applications
• 118-degree standard point angle with web-thinned, tapered web for reduced thrust and cleaner entry
• Right-hand spiral flute promotes efficient chip removal during drilling
• Screw machine length design increases rigidity and reduces deflection in production setups
• Meets ANSI standards for dimensional accuracy and interchangeability

Compatibility

Designed as a screw machine length drill bit in the Series R41 line, this bit fits standard straight-shank drill chucks and collets accepting 0.042-inch diameter shanks and is rated per ANSI specification for general-purpose and high-performance metalworking use.

Installation Notes

Installation of this drill bit should be performed by qualified machinists or tool technicians following standard tooling change procedures. Ensure the machine spindle is fully stopped and power is locked out before changing bits. Secure the straight-cylindrical shank fully within the chuck or collet to the minimum recommended grip depth before tightening. Use appropriate cutting fluids or cooling methods as required by the workpiece material and machine specifications.