10 Pack Concrete SDS Plus Shank Hammer Drill Bits Stone/Brick | Four-Blade Carbide Tipped Masonry Rotary Drill Bits Set for Brick, Tile 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 25mm

* Note: In the process of punching hole, Suggested that adding water cooling to help to extend the service life of the product. * Superior carbide bit heads ensure outstanding durability and long life under heavy loads * SDS-Plus Drill Bit Set shows the outstanding precisely performance on reinforced concrete, rebar, brick and other hard stone materials. * SDS masonry drill bits / roto hammer bits are fitted with a carbide centric conical tip resulting in smooth accurate holes. * Our four-blade drill is an upgraded version, which has a wider bearing capacity, more wear resistance and durability than traditional two-blade drills. * SDS-Plus Shank has good design groove for the best chucking during applications without sliding. Fit most SDS Plus or light hammer. * Remember to fixed it when drilling. It cannot be moved and must be at a right angle of 90 degrees to the hole. When positioning the drill bit, please wait for a while, and then slowly drill the hole. * Package include: 6x200mm(1/4 X 8-inch) SDS Plus Drill Bits 8x200mm(5/16 X 8-inch) SDS Plus Drill Bits 10x200mm(3/8 X 8-inchh) SDS Plus Drill Bits 12x200mm(1/2 X 8-inch) SDS Plus Drill Bits 14x200mm(9/16 X 6-inch) SDS Plus Drill Bits 16x200mm(5/8 X 8-inch) SDS Plus Drill Bits 18x200mm(23/32 X 8-inch) SDS Plus Drill Bits 20x200mm(25/32 X 8-inch) SDS Plus Drill Bits 22x200mm(7/8 X 8-inch) SDS Plus Drill Bits 25x200mm(1 X 8-inch) SDS Plus Drill Bits

• SDS hammer drill bit features a double u-fluted design can high-speed drilling, cleans debris out fast for easier, low resistance and low drilling wear, work time longer.
• With their carbide composition and ultra-tough tips, these drill bits are able to chip away in masonry applications; brick, stone, concrete, block, stucco, etc. Concrete drill bits set is fully compatible with All SDS-Plus Rotary Hammer Drill.
• The shank has two types of grooves (TOTAL OF FOUR). The smaller grooves fix bit in the chuck. The larger grooves allow bits slipping in the chuck when working, enhancing the drilling torque and hammering energy.
• Carbide Tip 10-PIECE DRILL BITS - Set includes: 1/4 X 8-inch, 5/16 X 8-inch, 3/8 X 8-inch, 1/2 X 8-inch, 9/16 X 8-inch, 5/8 X 8-inch, 23/32 X 8-inch, 25/32 X 8-inch, 7/8 X 8-inch, 1 X 8-inch.