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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
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4" Dry Diamond Core Drill Bits for Brick and Block Features
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MULTIPURPOSE - designed to drill soft brick and building block
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PILOT BIT ADAPTER - includes 1/2" shank pilot bit adapter
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HEAVY DUTY - embedded diamond concentration guarantees longer core life and efficient drilling
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GRIT SIZE - #30/40 grit size
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DRILLING DEPTH - 9.5" drilling depth
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WET OR DRY - recommended to use with handheld core drills or dedicated core drill rigs (rotary mode only)
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ROTARY MODE ONLY - please only use rotary mode with our core bits
About 4" Dry Diamond Core Drill Bits For Brick And Block
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.
