* 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