Diablo 4" x 7" SDS-Max Carbide Tipped Core Bit DMAMXCC5050 Heli-Tie Helical Wall Tie The checkered head pattern on

The checkered head pattern on this full round head nail serves three practical purposes: it blends with natural wood grain for a less conspicuous appearance

eliminating the visible contrast of a bare metal fastener head and giving the finished deck a more professional

it can be added to an existing assembly without the need to disassemble surrounding framing

The SSTB offset allows flush installation to the edge of a pier

Diablo 4" x 7" SDS-Max Carbide Tipped Core Bit DMAMXCC5050 Heli-Tie Helical Wall Tie The checkered head pattern onDiameter: 4" Length: 12" Shank: SDS Max Working Length: 7" Tools: SDS Max Rotary Hammer Drill Materials: Concrete Diablo's SDS Max Carbide Tipped Core Bit range provides one of the fastest and longest lasting coring solutions on the market for concrete applications. All in one design strengthens the bit from end to end in order to withstand the stress and impact of high powered hammer drills in concrete. A spiral flute design removes dust faster,