Precision Twist Drill 5997014 Jobber Drill Bit 31 Hss

Product Description

The PRECISION TWIST DRILL 5997014 is a jobber-length drill bit designed for general-purpose drilling in metal and hard materials. It is made from high speed steel with a bright, uncoated finish and ground to a 135-degree split point for fast engagement and reduced walking on entry. The straight-cylindrical shank measures 0.1200 inches in diameter, matching the wire gauge No. 31 drill size, and the overall length is 2.75 inches. The parabolic-style spiral flute with a tapered web and web-thinned point is suited for production and maintenance drilling where consistent hole quality is required. Licensed trades and machinists typically reach for this bit when working through steel, stainless steel, cast iron, or non-ferrous metals.

This bit fits standard 3-jaw chucks on benchtop drill presses, hand drills, and CNC drilling fixtures that accept a 0.1200-inch straight shank. The QC21P series is built for heavy-duty general-purpose work and is appropriate for drilling steel, stainless steel, cast iron, non-ferrous metals, superalloys, and titanium. The 1.625-inch flute length allows a maximum drilling depth of 1.625 inches in a single pass without repositioning. Ideal for fabrication shops, maintenance technicians, and field tradespeople who need a reliable wire-gauge bit in their standard rotation.

Key Features

• Wire size No. 31, decimal equivalent 0.1200 inches
• 135-degree split point reduces center-punch dependency and minimizes walking on hard surfaces
• High speed steel construction rated for steel, stainless steel, cast iron, non-ferrous metals, superalloys, and titanium
• Parabolic spiral flute with tapered web and web-thinned point improves chip evacuation
• Straight-cylindrical shank fits standard drill chucks without an adapter
• ANSI-compliant QC21P series, heavy-duty grade, right-hand cut

Compatibility

Designed for use in any standard drill chuck accepting a 0.1200-inch straight-cylindrical shank, including benchtop drill presses, handheld power drills, and CNC drilling machines. Compatible workpiece materials include steel, stainless steel, cast iron, non-ferrous metals, superalloys, and titanium per the QC21P series specification.

Installation Notes

Insert the straight shank fully into the chuck jaws and tighten securely before operation. Always power down and isolate the drill or machine before changing bits. Apply cutting fluid or coolant when drilling stainless steel, superalloys, or titanium to manage heat buildup and extend tool life. Follow applicable ANSI B94 standards and shop safety practices when operating drilling equipment.