The Bosch PRO S1237HBF is a heavy-duty bi-metal reciprocating saw blade engineered for cutting thick-wall metal pipes, profiles, and steel fittings — delivering up to 5x longer life than the Bosch S922AF blade. Constructed with a hardened HSS tooth strip bonded to a flexible carbon steel body, the S1237HBF combines cutting hardness with structural resilience. The bi-metal welding process ensures the blade resists breakage during demanding cutting tasks, making it a reliable choice for metalworkers, renovators, and electricians working with structural steel and pipework. The 3x3 tooth geometry features varying tooth and gullet sizes across three pitch configurations (10, 12, and 14 TPI), optimising chip clearance and cutting efficiency. The curved tooth section improves material contact throughout each stroke, resulting in a smoother, more controlled cut. A 1.1mm blade thickness adds rigidity to support straight, accurate cuts in material from 4mm up to 12mm thick. Compatible with all S-shank reciprocating saws, this blade is suitable for a wide range of tools on site. Ideal for plumbers and pipefitters working with thick-bore pipework, electricians cutting steel conduit, and fabricators tackling structural metal profiles. Features and Benefits: • Lasts up to 5x longer than the Bosch S922AF blade • Bi-metal construction — HSS tooth strip bonded to a carbon steel body for hardness and flexibility • 3x3 tooth geometry with three TPI configurations for optimised cutting efficiency • Curved tooth section for improved material contact and a smoother cut • 1.1mm blade thickness adds rigidity for straight, accurate cuts • Suitable for material thickness from 4mm to 12mm • Compatible with all S-shank reciprocating saws Specifications: Total Length: 300mm Width: 25mm Thickness: 1.1mm Tooth Design: 3x3 Tooth Tooth Pitch (TPI): 10+12+14 Tooth Spacing: 1.8+2.1+2.5mm Max. Cut Capacity: 250mm Recommended Min. Material Thickness: 4mm Recommended Max. Material Thickness: 12mm Blade Material: Bi-Metal (BIM) Body Material: HCS Net Weight: 0.315kg
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