Simpson S/HDU 7-7/8" Holdown for Steel, Light Gauge Cement Board Screw The two-speed gearbox delivers low

The two-speed gearbox delivers low speeds from 40-365 RPM and high speeds from 165-2000 RPM

long-lasting attachment in structural wood applications

Flat motor housing design for stability when changing the blade

Equipped with an inverter drive system for infinitely variable spindle speeds and paired with the Newall DP700 digital readout for exceptional positional accuracy

The HPB-78NC is built for full industrial production environments including shipbuilding yards

Simpson S/HDU 7-7/8" Holdown for Steel, Light Gauge Cement Board Screw The two-speed gearbox delivers lowThe Simpson S HDU4 S HDU 7 7 8 in. Holdown for Cold Formed Steel is an engineered holdown connector from Simpson Strong Tie designed specifically for cold formed steel framing applications. This holdown anchors the shearwall to the foundation to resist overturning forces, making it an essential component in structural cold formed steel builds. The S HDU series combines performance with ease of installation its pre deflected geometry virtually