3" Core Drill Bit $ 135
3" Core Drill Bit. Wet Use only. 1 1/4" x 7 tpi hub thread. Laser welded 10 mm diamond teeth segments. Cuts Reinforced concrete, brick, limestone, block and asphalt. Full 3" OD. American Made. Category: tools Product #: B00CCXMDQW Paypal, Cash, Visa, MC $135.00 (Sale ends ) Condition: New
3" core drilling pictures from 2011 to 2019
Carolina Precision Core Drilling used only BlueFlag core drill bits and has cored thousands of 3" holes in concrete. We do it every year. This rough and tough 3" core bit has an 1 1/4" x 7 tpi hub thread. 10mm Teeth.
Picture 3 is a 3" concrete core cut from a concrete floor on Peachtree St, Atlanta, GA. Notice the very heavy rebar. Our Silver series 3" core drill bit makes takes on any concrete wall or floor. Our 3" core bit cuts reinforced concrete with any size rebar.
Average close to 40 holes drilled with this core drill bit with medium to lite weight concrete and more through brick or block structures.