Amtech 5 Piece SDS auger drill bit set (230mm length)

SDS FITTING: Precision-machined high carbon steel auger drill bits with an SDS fitting for drilling through tough materials like brickwork, concrete and steel. 

SIZES: Approximately 230mm in length, these auger bits come in the following sizes: 10mm, 13mm, 19mm, 22mm and 25mm.

• Precision machined carbon steel bits with SDS fitting
• Includes sizes 10mm(3/8?), 13mm(1/2), 19mm(3/4), 22mm(7/8) and 25mm(1)