25PCS, 5/16" x 4", SDS Plus Bits, Masonry Drill bit Set, SDS+ Hammer Bits

Package: 25pcs SDS+ Hammer Drill Bits. Size : 5/16 x 4" Shank:SDS PLUS Tip: Slot Tip, Carbide Tip OXTUL,SDS PLUS Hammer Drill Bits ideal for drill holes on brick, stone, and concrete. Optimized brazing and hardening process for long life;Carbide tip is tougher and more durable under heavy loads;High Quality Carbide Tip: it is used with professional quality Carbide Tip , which will be used for drilling on brick, stone and concrete materials. The hardness of materials can be C45. Notice: Not For Use On Glass, Ceramic tiles.Please check the detail information carefully before purchasing.

• Carbide Tipped: Carbide-Tipped bit heads more stable, harder, more durable, extra-long tool life. The SDS PLUS drill bit will drill holes in concrete faster and easier.
• Special Flute Design: The wider and deeper U-shaped flute design cleans debris out fast for easier, efficient drilling, work time longer.
• SDS Plus Shank: 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.
• Multipurpose: Concrete drill bits set is fully compatible with All SDS-Plus Rotary Hammer Drill, like BOSCH, Dewalt, MAKITA, Milwaukee, etc. Ideal for drilling holes in concrete, brick, stone and masonry.
• Auto welding Processing: the Automatically Welded carbide tip will not easy to go dropping. It can avoid loose welding or missed welding compared with labor welding and high frequency welding ways;