5X HSS Strong Countersink Drill Bit Set Fast Change Hex Shank for Wood Plastic

Drill and countersink for wood screws without changing bits. 4 x Countersink D rillBits. Black chamfer drill body material: steel 45. Material: HSS Drill 4241. Shank: 1/4 hex shank. 1 x Hex Shank. Special designed steel counter sleeve countersinks or counter bores pilot hole.

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