Black and Gold HSS LH Drill Bit Set 1/16 to 1/2

Black & Gold HSS Left Hand Drill Bit Set – 1/16" to 1/2"

Reverse-cutting drill bits for broken bolt and screw extraction. The Black and Gold HSS LH Drill Bit Set features left-hand (reverse) spiral flutes that bite into stuck fasteners as they spin — often backing out broken bolts and screws without an extractor. The black and gold high-speed steel construction delivers sharp, durable cutting action across the full range from 1/16" to 1/2". An essential set for any shop or maintenance operation dealing with broken hardware.

Key Features

• Left-hand (LH) spiral flutes — reverse cutting action helps extract broken bolts and screws
• Black & Gold HSS construction for durability, heat resistance, and long-lasting sharpness
• Full range from 1/16" to 1/2" for versatile drilling and extraction applications
• Precision ground for accurate, clean holes in metal, wood, and plastic
• Works with standard drill chucks in reverse mode

Common Applications

• Broken bolt and screw extraction
• Reverse drilling on stuck or damaged fasteners
• General drilling on metal, wood, and plastic
• MRO and maintenance shop use

Sizes: 1/16" to 1/2" | Hand: Left (Reverse) | Material: Black & Gold HSS | Sold by Chem Nut Supply