Spyder carbide-tipped diamond hole saw arbors are the professional choice for hole-making in tile, glass and masonry materials. The drill bit is spring-tensioned to apply the precise drilling pressure - optimizing tool life. A 5/8-18 thread is for use with standard diamond hole saws. For use on ceramic, porcelain, granite, slate, marble, glass, cement fiber board, laminates and more; 3/16-in carbide drill bit, 3/8-in shank, 1-1/2-in total depth of cut. Made in the USA.
Carbide-tipped pilot drill is spring-tensioned to provide the optimal feed pressure for precise drilling
Retractable pin eliminates the need to pre-drill pilot holes
Accurate hole location and center drilling
5/8-in - 18 thread for use with standard diamond abrasive hole saws
3/8-In arbor
1-1/2-In total depth of cut
Made in the USA
For use with Spyder non-arbored diamond hole saws