Advanced Technology: This hole saw is made of diamond and steel, brazing process adopted on the surface, and the thickened diamond coating on the top provides excellent cutting strength for high-precision and smooth cutting, more firm and durable
Longer Service Life: High-temperature resistant process on surface makes this hole saw withstand the huge heat generated by rotating at high speed when drilling, even without water as coolant , but you also can add water when drilling to extend the service life,and reduce dust.
Wide Application: This hole saw is suitable for glass (except tempered glass), tiles, ceramic, marble, granite, plastic, gypsum board, etc
Supporting Machines: Compatible with most electric drills, pistol drills and bench drills.
Package Includes: 10PCS diamond hole saw kit(1/4''+5/16''+3/8''+1/2''+3/4''+1''+1-1/4''+1-3/8''+1-1/2''+2''),2PCS Center Drill Bits, 6PCS Screws, 1pc Hex Key, 1pc Tool Bag