Special tooth geometry with regular pitch provides a smoother cut and better chip clearance preventing clogging and heat build-up. Teeth are alternate & side set to minimize binding and friction requiring less feed pressure. Ideal for mild steel (up to 1000 N/mm2 strenght), stainless steel, non-ferrous metal, aluminium, cast iron, copper and zinc. Bi-Metal Plus 8% Cobalt: Premium bi-metal with 8% cobalt provides Xtreme results in performance and up to 50% longer lifetime than the competition.
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![CMT 551-092 bimetal plus hole saw, 3-5/8-Inch diameter](http://www.toolmanshop.com/cdn/shop/products/474_1303_fz_551_f699d3b2-3cf2-4633-8c13-7b26d8b8016c_1200x.jpg?v=1571311631)
Special tooth geometry with regular pitch provides a smoother cut and better chip clearance preventing clogging and heat build-up. Teeth are alternate & side set to minimize binding and friction requiring less feed pressure. Ideal for mild steel (up to 1000 N/mm2 strenght), stainless steel, non-ferrous metal, aluminium, cast iron, copper and zinc. Bi-Metal Plus 8% Cobalt: Premium bi-metal with 8% cobalt provides Xtreme results in performance and up to 50% longer lifetime than the competition.