Applications: For professional plumbers and builders to make clean cored holes in facing brick, block and most construction stone. For dry use. With the extended adaptors, there would normally be enough length to drill through a double wall from one side. These premium laser welded tipped bits will drill faster and through harder materials than cheaper sintered bits.

Specification:

• Premium laser welded diamond segments.
• Core bit sizes: 38mm, 52mm, 65mm, 117mm & 127mm. 
• Includes hex and SDS adaptors both standard and extended.
• Pilot drill and drift key included.
• Packed in smart aluminium pilot case with wheels and retractable pull handle.