Syntec 5" PCD Cup Wheel 1/4 Round 4-Segment with 5/8"-7/8" Arbor SDS Plus Drill Bits The spiral knurl provides a

The spiral knurl provides a positive lock and resists back-out

making it a smart choice for applications where a traditional hex head would be too bulky

high-load timber joints

They are guided by the centering bit that allows for easy-to-use drilling

The PRO300SRFG2M25K combo system includes-

Syntec 5" PCD Cup Wheel 1/4 Round 4-Segment with 5/8"-7/8" Arbor SDS Plus Drill Bits The spiral knurl provides aSyntec Quarter Round PCD Cup Wheels are manufactured with premium grade polycrystalline diamonds. While PCD's may be very wear resistant, they are not impact resistant. It's imperative you watch out for joints, bolts, and anything else made from steel. Great for removing thick coatings, epoxy, and other membranes. Syntec has served the diamond tool industry for decades, leading to the highest quality diamond tools available. Try the Syntec difference