5 Piece HSS Countersink Drill Bit Set for Wood with

Countersink Bits: The 5-piece 8mm round shank router bit set includes bits for drilling holes with an opening range of 28-4mm, countersink chamfer bit. Woodworking Bit: Countersink bit set for woodworking for screws without changing bits, hexagonal countersink bit. Countersink Bits for Woodworking: The spiral fluted bits with a center bit will quickly discharge chips from the hole, effectively preventing debris retention and improving drilling efficiency, countersink chamfer bit for woodworking. Countersink Chamfer Bits: Made of steel, durable and with good toughness, wear-resistant, with high drilling capacity, countersink chamfer bits. Countersink Bit Kit: The five-flute chamfer design will quickly discharge chips from the hole automatically, countersink router bit.