High Quality Countersink Drill Bits: Get the job done faster with the 1/4" Hex Quick Change Countersink Drill Bit Set. Featuring 1/4" hex quick change shanks and HSS drill bits
HSS Drill Bits: Heat treated for greater strength, the easily replaceable and adjustable HSS drill bits can be used for different length screws.
DURABLE CONSTRUCTION: Each countersink is made from heat treated tool steel for durable and repeatable performance with easily replaceable HSS (High Speed Steel) drill bits
Versatile Countersink Drill Bits: These drill bits are suitable for countersinking in hard wood, soft wood, and PVC.
What is Included: The drill bits set includes drill bits of of the following diameters: 2.0mm (5#), 2.4mm (6#), 2.8mm (8#), 3.0mm (10#), 3.5mm (12#).