Check the listing for details. Eccentric Drill Bit Set Four-Flute Sawtooth Eccentric Drill Bit High Hardness. Condition: New. Listed at 9.98 USD. Feature: 【Durable Alloy Steel Construction for Longevity】 Crafted from high-quality alloy steel, this drill bit is exceptionally durable and resistant to wear, making it suitable for a wide range of drilling tasks, including tile, ceramic, and glass. 【Four-Flute Sawtooth Design for Swift & Precise Drilling】Our Four-Flute Sawtooth Eccentric Drill Bit features a unique 4-tooth wavy pattern that ensures rapid and accurate hole creation, delivering clean results every time. 【No-Slip Hex Shank for Secure Grip】The drill bit's hex shank provides a stable and secure fit in drills and screwdrivers, enhancing control and precision. Its sharp cutting edge further boosts drilling efficiency, making it ideal for concrete and cement applications. 【Spiral Groove for Efficient Chip Clearing】Equipped w.