Punte da trapano a nucleo umido 3 1/2 pollici, punte da 3,5" per calcestruzzo, profondità 14" e 1/4"-7 T
Versatile Applications?. Wet Core Drill Bits?. The 3 1/2" core bits are made of high-quality materials and have a long lifespan.They feature uniform distribution and large diamond for fast-speed. Shank type Threaded.