About this item Specification:1/4”(6mm) 5/16”(8mm) 3/8″(10mm) 1”(25mm) 1-3/8”(35mm) 2”(50mm) 3”(75mm) 4”(100mm) orderly diamond core drill bits HEX shank adapter SDS shank adapter for use with angle grinders and power drills. Please don’t use this adapter and core drill bit in hammer mode. Upgraded Technology: Uses Heavy-duty matrix and diamond ordered arrangement process, using high quality diamond particles coating, sharper drilling, faster powder discharge, four U edges for faster debris cleanup, cool the workpiece and bit. Stable and Durable Drilling: Vacuum brazing technology provides excellent drilling strength for high precision and smooth cutting, stable and fast drilling. All diamond hole saw drill bits set are treated with a special high temperature resistant process to withstand the tremendous heat generated when the hole saw drill bit rotates at high speed. Suitable Material: Our diamond hole saw drill bits cuts perfect holes in ceramics, concrete, marble,tiles,bricks,and hard granite, etc., sharp and durable, work efficiently. Suitable for both dry and wet drilling; if you use coolant, you can increase the service life. Suggestion: dry drilling may generate dust, appropriate protective measures are recommended; if you encounter any problems in use, please contact us, we will help you solve any problems.
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