Product Name: Vacuum Brazed Diamond Drilling Core Bits Sets Hole Saw for Marble Granite

Quantity: 11pcs/box

 Kit Contains：11pcs( 6/8/10/20/25/28/32/35/45/50/65mm Drill Bit);

Specification:

Diamond core bits: Diameter  6/8/10/20/25/28/32/35/45/50/65 mm;total length 65mm; Triangle Shank;diamond height 10mm; 

Feature:

• U-groove tooth shape---More sharp, improves product performance and facilitates the discharge of debris 

• Vacuum brazed technology provides longer working life, Fast and smooth drilling

• Triangle Shank Design---Shank diameter 10mm, stable clamping and easy drilling.