The NEIKO 10037A Left-Hand Drill-Bit Set is built for jobs where standard bits don’t help—especially when you’re trying to back out broken screws, bolts, studs, or other stuck fasteners. These reverse-twist bits are designed for use with reversible drills, often alongside screw extractors, to support common repair work in the home, garage, or shop.
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Each bit features a twist style with an angled tip and a 135-degree split point for self-centering starts. That geometry helps reduce walking and improves chip clearing for smoother drilling in metal and steel. The bits are made from high-speed steel and finished with a titanium nitride coating to increase surface hardness and help reduce friction between the bit and the workpiece.
Left-hand (reverse-twist) design intended for use with reversible drills and screw extractors
High-speed steel construction with titanium nitride coating for added surface hardness and reduced friction
135° split-point tip helps self-center, reduce walking, and start holes more accurately
Twist-drill style helps clear chips and particles while drilling
Includes a high-impact metal index storage case with labeled slots for organization and portability
If you frequently deal with seized or broken fasteners in automotive or home repair, this 15-piece SAE set is a practical add-on to your toolkit—keeping sizes organized and ready when you need them.
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