54*1.6 Advanced Technology M51 Bimetal Band Saw Blades/Bandsaw Blade. Advanced M51 Technology: Features world's first tooth tip and back material after heat treatment welding technology. Superior Wear Resistance: Tooth tip quenched by vacuum furnace with cryogenic technology at minus 196 degrees for high hardness. Versatile Cutting Application: Specially designed tooth shape suitable for bearing steel, carbon steel, alloy steel, and die steel. High Fatigue Resistance: Refined high chromium spring steel back increases lateral bearing capacity and fatigue resistance. Strict Quality Control: 100% inspection before delivery with monitoring of every production process until packing. Fast Delivery Time: Stock items delivered in 3-7 days; production items take 10-25 days. Flexible MOQ: No minimum order requirement; accepts single piece for test process. ISO9001 Certified: Manufactured with ISO9001:2008 certification ensuring quality assurance.