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Phillips® Head (PH) is the most common screw drive system
During independent lifetime testing Delta point drill bits averaged 609 holes in 20mm mild steel
Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength
High temperature brazing for longer life
Not suitable for use with toughened or laminated safety glass
42mm Brilliant Diamond Hole Saw Phillips® Head (PH) is the42mm Brilliant Diamond Hole Saw Brilliant Diamond Vacuum Brazed Hole Saw. The Bordo range of Brilliant diamond hole saws are manufactured using vacuum brazing to 'adhere' the diamond material to the saw. Vacuum brazing provides the strongest bond between the diamond particles and the hole saw. Superior performance and greater saw life than traditional electroplated diamond saws. Slotted cutting edge allows water to enter the cut, extending tool life.