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2-1/4 Dry Diamond Core Drill Bits for Brick and Block with 1/2 Shank Pilot Bit Adapter, 9.5 Drilling Depth, 5/8 -11 Arbor
Dry diamond core bits with #30/40 grit high diamond concentration guarantees longer coring life and efficient drilling. Designed for drilling soft brick or building block. 10mm segment height and 9.5 drilling depth with 5/8 -11 threaded arbor. 1/2 chuck pilot bit adapter included. Use wet or dry with handheld core drills or dedicated core drill rigs in rotary mode only. MULTIPURPOSE - designed to drill soft brick and building block PILOT BIT ADAPTER - includes 1/2 shank pilot bit adapter HEAVY DUTY - embedded diamond

Price is $80.00

Price: $79.99