Item: Supreme Wet Drill Core Bits for High PSI/Reinforced Concrete
Specification: Diameter 25mm, 32mm, 40mm, 51mm, 63mm, 76mm; 1-1/4 UNC Thread; Drill bit total length: 458mm; Drilling length: 400mm; Diamond Height: 8mm; Diamond grit: #30/40.
Application: Designed for drilling higher PSI concrete, concrete with medium level of rebar reinforcement, and other hard masonry.
1. Wet use only, please feeding enough water for heavy duty.
2. High Quality bond with high quality diamond grain, suitable for heavy duty. Performance improvement in both speed and lifetime compare to standard wet core bits.
3. Great Choice for contractor with lower cost.