Specification:
Type: Core Drill Bit
Material: Alloy body and carbide Tipped
Shank Dia: 9mm
16pcs 15-35mm Set: 15mm,16mm,17mm,18mm,19mm,20mm,21mm,22mm,23mm,24mm,25mm,26mm,28mm,30mm,32mm,35mm
18pcs 15-40mm Set: 15mm,16mm,17mm,18mm,19mm,20mm,21mm,22mm,23mm,24mm,25mm,26mm,27mm,28mm,30mm,32mm,35mm,40mm