HSS Bi-Metal Hole saw Blade, 59mm - 99309

These high-speed variable pitch bi-metal hole saws are ideal for cutting perfectly round and accurate holes in metals, plastics and wood up to a depth of 35mm (1.3/8&#8221;).</p><p>They offer a hardened M3 steel cutting edge that is welded to a tough alloy steel body, making them very durable and hardwearing.</p><p>The construction reduces the risk of shattering.</p><p>The holesaws have four side slots for removal of slug, as well as a female threaded spindle for fixing to a 9.5mm arbor.</p><p>It can be easily attached to power drills for a fast, clean, heavy-duty cutting action in stubborn materials.</p><p>When metal cutting it is advisable to use a lubricant to prolong the service life of the hole saw, such as Stock No. 76109 - Metal Cutting Lubricant, 400ml.