Overview Reviews Product Description Comprised of an alloyed steel backing of about 4% chromium content and an HSS-M51 cutting edge. High thermal and mechanical wear resistance due to cobalt and tungsten content of the cutting edge. Clarkson Osborn Catalog Product Videos Custom Field Size 3-1/8" .75/1.25-TPI Material Bi-metal M51 Package quantity 164' Product Reviews Write a Review Write a Review × Clarkson-Osborn 3-1/8" .75/1.25-TPI x 164' Bi-Metal M51 Cobalt Bandsaw Blade HA89451 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *