SDS ARBOR / MANDREL Buy it Now Get Free Shipping !! This SDS Larger size Arbor / Mandrel fits all our Tungsten Carbide Grit Hole Saws from 1 1/4" (32mm) Diameter through to our big 6" (152mm) Diameter. This Special end is designed for an SDS Drill, the locking pins prevent thread damage, regular style 3/8" Hex Styles are available in our store. The main difference with these Holesaw Mandrels / Arbors is the fact that the Pilot Drills are basically Masonry Bits That means they have Tungsten Carbide Tipped Pieces welded into the tips This means they can drill through hard abrasive products and are designed to be used with a Hammer Drill. After All whats the Point Having a Hole saw that can cut the Tough Stuff if the Pilot Cannot? This makes them perfect for Drilling materials like Brick, Marble and Concrete. Pilot Drills are 6mm (1/4") Diameter and are replaceable and available in our store. Notice our pilots have a flat milled on them so the hex grub screw can hold very secure. Our 5/16" special Spear Point TCT Tile Glass Drill ( not for Hammer action) has a specifically designed 1/4" shaft. This means it will fit in any of our Mandrels / Arbors for drilling ceramic tiles without slipping. These Mandrel are designed to take serious abuse and will outlast conventional tools. They can be used in Corded or Cordless Drills with or without Full Hammer Action. These Mandrels / Arbors were intended to be used in conjunction with our Tungsten Grit Edge Hole Saws. So they can cut Tough Abrasive and Brittle materials like Brick, Masonry, Slate, Marble, Construction Materials such as Autoclaved Cement Board, Fibre glass, Composite Boards such as Chipboard and MDF, Laminates, Rubber Tyres, GRP, CFRP, Hardwood Flooring, Laminate Flooring, Plasterboard / Drywall, Soft Resinous Woods and Hard Brittle Materials. For Drilling Deep Holes, only available with 3/8" Hex end and Hex Screw Not for SDS Style. We are always looking for the next Amazing Product to sell or latest inventions so dont forget to Sign up for my email newsletters You will be informed first of any new Products, Designs, Instructions, Videos or Inventions etc. Check Out Our Store I Guarantee You Will Find "Another Amazing Product" Click on any of the Images below to go to that section in our Store You might need to Scroll Up the page when you get there. Sign up for my email newsletters You will be informed first of any new Products, Designs, Instructions, Videos or Inventions etc. Enter Our Store