Precision Twist Drill 5999221 Wire 17 Hss Jobber Drill Bit

Product Description

The PRECISION TWIST DRILL 5999221 is a jobber-length drill bit in wire gauge size 17, equivalent to 0.1730 inches in decimal. Built from high-speed steel (HSS) with a bright uncoated finish, it features a 118-degree standard point angle and a two-flute regular spiral design. The straight-cylindrical shank measures 0.1730 inches in diameter with a shank length of 1.1875 inches. Overall length is 3.375 inches, and maximum drilling depth reaches 2.1875 inches. The web is thinned and tapered for improved chip clearance and reduced thrust. This bit is sized for general-purpose drilling applications in metal fabrication, maintenance, and repair work performed by machinists, millwrights, and HVAC or plumbing tradespeople who drill through metal components regularly.

This bit is intended for drilling into steel, stainless steel, cast iron, non-ferrous metals, superalloys, titanium, and other hard materials. It conforms to ANSI standards and belongs to the R10P-R15P-R18P series, making it suited for both production and field drilling tasks where a standard jobber-length bit is the appropriate reach. It performs well in handheld drills, drill presses, and mill setups where a straight shank is required.

Key Features

• Wire gauge size 17 — 0.1730 inch decimal diameter
• 118-degree standard split point angle for accurate starting on metal surfaces
• High-speed steel construction for durability across multiple material types
• Bright uncoated finish — suitable for general-purpose drilling without added coating cost
• Web-thinned and tapered web design reduces cutting resistance and improves chip evacuation
• Right-hand cut with two regular spiral flutes and a 13xD flute-to-diameter ratio
• ANSI-compliant geometry — Series R10P-R15P-R18P

Compatibility

Designed as a general-purpose replacement or stock bit for use in straight-shank drill chucks across handheld, bench, and production drilling setups. Compatible workpiece materials include steel, stainless steel, cast iron, non-ferrous metals, superalloys, and titanium per the manufacturer specification.

Installation Notes

Secure the straight-cylindrical shank firmly in a keyed or keyless chuck before operation, and verify that the chuck jaws are tightened evenly to prevent runout. Power down and de-energize any machine tool before changing bits. Use appropriate cutting fluid or coolant when drilling stainless steel, superalloys, or titanium to extend tool life and prevent work-hardening. Follow applicable ANSI and shop-safety standards for speed and feed selection based on material and bit diameter.