Precision Twist Drill 010912 Left Hand Hss Jobber Drill Bit

Product Description

The PRECISION TWIST DRILL 010912 is a left-hand high-speed steel (HSS) jobber-series drill bit designed for hard-surface drilling applications. The left-hand cutting direction makes it particularly effective for removing broken bolts, studs, and fasteners by backing them out as the bit cuts. With a 3/16 inch tip diameter and an overall length of 3.5 inches, this bit fits standard drill chucks and handles the tight clearances common in trade service work. It is suited for electricians, plumbers, HVAC technicians, and mechanical contractors who regularly encounter seized or broken hardware during installation and service.

This drill bit is intended for use in a reverse-rotation drill or drill press on ferrous and non-ferrous hard surfaces. It is commonly used in residential and commercial service environments where broken fastener extraction is required. The jobber-length configuration provides a good balance of reach and rigidity for general-purpose drilling tasks across a wide range of base materials including steel, cast iron, and similar hard substrates.

Key Features

• Left-hand cutting direction backs out broken bolts and fasteners during drilling
• High-speed steel (HSS) construction maintains edge integrity on hard surfaces
• Jobber-series length of 3.5 inches provides versatility for general trade applications
• 3/16 inch tip diameter fits standard drill chucks without adapters
• Sold individually, minimum order quantity of 1

Compatibility

Designed as a standard jobber-length left-hand drill bit compatible with any reverse-capable drill or drill press accepting a 3/16 inch shank.

Installation Notes

Left-hand drill bits require the drill to be set to reverse rotation before use. Secure the workpiece firmly before drilling to prevent movement. Use appropriate cutting fluid on hard or ferrous materials to extend bit life and reduce heat buildup. Always wear eye protection when drilling hard surfaces.

Technical Specifications

• Cutting Direction: Left Hand
• Material: High-Speed Steel (HSS)
• Series: Jobber
• Tip Diameter: 3/16 inch
• Overall Length: 3.5 inches
• Weight: 0.15 pounds
• UPC: 086071109125

Standard Information

• Brand: PRECISION TWIST DRILL
• Manufacturer Part Number: 010912