SALI Brad Point Drill Bits Set, 20 Pcs 1/4″ Carbon Steel Wood Drill Bit Set with 1/4″ Hex Shank for Hardwood, Plywood, Plastic Round Holes in All Types of Wood. High quality materials: This set of drill bits is made of high quality materials, ensuring the hardness and durability of the drill bits.
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SALI Cobalt Drill Bit Set,20 Pack 1/16 Inch High Speed Steel Hex Shank Jobber…
Durability and applicable scenarios:High speed steel improves the surface hardness and wear resistance of drill bits, allowing them to easily penetrate sturdy materials and have a longer service life.