10Pcs Diamond Hole Saw Drill Bits Kit,6/8/10/25/35/50/75/100MM Vacuum Brazed Diamond Drill Bits Set for Ceramic Porcelain Tile Marble Granite with 5/8-11 Thread & Hex Shank Adapter

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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