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Hurst Jaws of Life® S 700 Series Blade Design

The Hurst Jaws of Life® S 700 series cutter design has improved blade geometry, which enables the forged shock-resistant tool steel blades to attain their maximum cutting capability at a five-inch opening. The blades on the Hurst Jaws of Life S 700 Series cutters feature a 7.3-inch opening in the fully open position and are specifically shaped to generate a high degree of power at the tip of the blade, making them suitable for cutting the larger diameters and stronger steel being encountered by rescuers today.

The tip of the blade on the new S 700 Series cutter has a punch-like design. Placing the crook of the inside cutter blade on the pillar-post weld flange, the tip of the outside blade is able to more easily punch through the highly reinforced areas of the A Pillar-posts and B-posts while maintaining the tool’s position outside the vehicle. This new cutter blade design eliminates the tendency of the tool to rotate into the passenger compartment.

Additionally, the S 700 Series cutter blades have three distinct cutting angles. As the blades close, the press-hardened Boron sheet metal and Martensite steel cracks and fractures. As the cutters continue to close, blade angles change resulting in improved draw of the post material to the strongest cutting area at the rear of the blades.

All Hurst Jaws of Life® cutter blades, including those on the new S 700 Series, feature a forged shock-resistant tool steel that has been uniquely heat treated using a four-step tempering process, which makes the blades dent and chip resistant while maintaining blade ductility. This is crucial when cutting today’s high-strength steels.

The S 700 Series’ extrication capabilities include shipboard damage control, structural collapse, aircraft egress and hundreds of other real world challenges. The S 700 Series is fully equipped with built-in safety features, such as dead man controls, hand-guards, and preset internal relief valves.

The Hurst Jaws of Life® S 700 Series includes the S 700E and S 700 Cutter. The S 700E is part of the eDRAULIC line of rescue tools, which are engineered to free rescue workers of power units and heavy hoses, eliminating the set-up time associated with traditional rescue tools.

For more information, visit www.hurstjawsoflife.com. For more on cutting forces, visit Debunking the Myths Surrounding Rescue Tool Cutting Forces.