4.5" PROFESSIONAL LASER WELDED TURBO SEGMENTED DRY CORE BIT WITH SDS MAX ADAPTER AND CENTER GUIDE. THIS CORE BIT IS MANUFACTURED FOR DRILLING MASONRY, CURED & REINFORCED CONCRETE WITH MEDIUM  TO HARD AGGREGATES & MEDIUM STEEL REINFORCING.  THE 12MM TURBO SEGMENTS HAVE THE HIGHEST DIAMOND PARTICLES PER SEGMENT IN THE INDUSTRY. THE NOTCH GROOVE IN SEGMENTS ARE  DESIGNED IN  AIDING WITH STEEL AGGREGATES IN CONCRETE...

When coring to make Radon Mitigation Suction pit, Hole could be 4'' to 6'' deep. 

core barrel may be solid or with slits

OUTER DIAMETER: 4.5”

SEGMENT HEIGHT: 3/8"

SEGMENT THICKNESS:  1/8”

SEGMENT MOLD: GROOVED TURBO SEGMENT STYLE

MATRIX HARDNESS: SOFT BOND FOR HARD MATERIALS WITH STEEL REINFORCING

CORE TRAVEL: 10”

THREAD SIZE: 5/8"

BOND TO CORE: INNER/OUTER DOUBLE LASER WELD

Includes Core Bit Adapters 5/8"-11 Threaded Male to SDS MAX Male

Quality adapter is made from heavy steel

Easily convert 5/8”-11 female arbor to SDS MAX male

Perfect accessory for your SDS MAX hammer drill

INSTRUCTIONS FOR CENTER GUIDE USE:
(1) ATTACH CENTER GUIDE TO ADAPTER BY PUSHING IT INTO HOLE. TAP IT IN. THE HEAT EXPANDS THE METAL IN THE CENTER GUIDE AND WILL HOLD IN PLACE TO START HOLE
(2) THREAD ON TO DRILL
(3) SCREW DRY CORE BIT OVER ADAPTER
(4) PENETRATE MATERIAL ABOUT 3/4" TO 1 ½” (PASS THE LASER WELDED SEGMENTS)
(5) REMOVE TWIST BIT (WILL COME OUT WITH PLIERS, MONKEY WRENCH OR SCREW DRIVER INSIDE ADAPTER HOLE)
(6) CONTINUE DRILLING USING THE BARREL AS NEW GUIDE, DO NOT CORE WITH CENTER GUIDE IN BARREL.