Description:

3-1/2" Dry Diamond Core Drill Bits for Brick and Block with 1/2" Shank

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.

Product Features

• MULTIPURPOSE - designed to drill soft brick and building block
• PILOT BIT ADAPTER - includes 1/2" shank pilot bit adapter
• GRIT SIZE - #30/40 grit size
• DRILLING DEPTH - 9.5" drilling depth
• WET OR DRY - recommended to use with handheld core drills or dedicated core drill rigs (rotary mode only)
• ROTARY MODE ONLY - please only use rotary mode with our core bits

Open Box Condition Notice:

Items are in perfect working condition. Items may have some minor signs of use, and the original protective wrapping may be absent or the item may be repackaged. All accessories will be included.

Return Policy:

You may return any item purchased within 30 days of receiving the shipment.