Simpson SDS-Plus Drill Bit 7/8 in. x 18 in. 2-Cutter Carbide-Tipped MDPL08718 HH Header Hangers Featuring a sealed round channel

Featuring a sealed round channel design that protects the spindle and nut assembly from debris while locking lubrication in place

White painted finish - heads blend with white and light-colored siding material for a clean

Applications where a low-profile connector is preferred over standard through-bolt hardware

The WSV134S screws are designed to install with the Simpson Strong-Tie Quik Drive PRO200S

Two W1 wedges are required for each tie but are sold separately

Simpson SDS-Plus Drill Bit 7/8 in. x 18 in. 2-Cutter Carbide-Tipped MDPL08718 HH Header Hangers Featuring a sealed round channelThe Simpson MDPL08718 7 8 in. x 18 in. SDS plus Shank Drill Bit is a premium, professional grade carbide tipped drill bit from Simpson Strong Tie, engineered to deliver exceptional performance in concrete drilling and demolition applications. Featuring a 2 Cutter Head design and SDS plus shank, this bit is manufactured to the highest industry standards and incorporates proprietary technologies that enhance durability, drilling speed, and ease of use