In a race shop, drilling holes for body panels, interior tins, and spoiler supports is a constant task. Standard drill bits are often too long, prone to snapping, and quickly become dull. The Longacre 52-36020 Twin End Drill Bit is a specialized high-performance tool designed specifically for the high-volume drilling required in racing fabrication.
This is a #11 size bit, which is the precision standard for a 3/16" rivet. The "Twin End" design means you essentially get two bits in one; when one side gets dull, you simply flip it over in the chuck and keep working. Short, rigid, and incredibly sharp, this bit is engineered to "walk" less and cut through aluminum and light-gauge steel faster than any hardware-store alternative.
Key Features
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Double-Ended Value: Features a cutting tip on both ends, effectively doubling the life of the bit. It’s like having a spare bit ready to go without stopping to search the toolbox.
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Precision #11 Sizing: Specifically sized to create the perfect clearance hole for a standard 3/16" pop rivet, ensuring a tight, professional grip every time.
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Short, Rigid "Stubby" Design: The shortened length significantly reduces bit flex and breakage—a common frustration when drilling through multiple layers of sheet metal or chassis tubing.
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Split-Point Tip: Engineered to start on contact. This tip design prevents the bit from "walking" across your expensive bodywork or painted panels, eliminating the need for a center punch in many applications.
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High-Speed Steel (HSS) Durability: Manufactured from premium HSS to maintain a sharp edge through hundreds of holes in aluminum, Lexan, and mild steel.