Makita 19mm x 450mm Performance SDS+ Masonry Drill Bit (B-48066) DT6692 Are annular ring shank nails

Are annular ring shank nails stronger than normal nails

2 x CSB/16524T

P500 Grit Abranet Sanding Discs

Diameter: 16mm

while the helix shank helps remove debris and improves clamping

Makita 19mm x 450mm Performance SDS+ Masonry Drill Bit (B-48066) DT6692 Are annular ring shank nailsFast, Accurate Masonry Drilling The Makita SDS+ masonry drill bit is a professional grade drill bit designed for fast, efficient drilling in concrete, brick, stone, and masonry materials. Designed to get the job done and featuring a durable carbide tip, self centring design, and high volume multi flute spiral. A combination that insures this SDS+ drill bit delivers clean holes, rapid dust removal, and improved drilling speed for various demanding