US$ 51.04
you can find the center in no time at all and require little effort in the first drilling phase
Face Diameter: 40mm
Saw Blade TCT 170X40TX20-16mm General Purpose Combination Saw Blade
Makita Splinter Guard for SP6000 Guide Rail - 1
Bosch | Drill Bit SDS-plus-1 10mm 200/260mm Dimar_Router Bit you can find the centerDrill Bit SDS plus 1 10mm 200 260mm SDS plus 1 Drill Bit is optimised for drilling in concrete 2 cutter Tungsten Carbide plate makes the bit extra tough 2 flute U shape flute design provides effective dust removal and standard lifetime Fits all SDS plus rotary hammer drills