Syntec 3" GCB76BK Pro Diamond Wet Core Drill Bit for Concrete RCA225/54-R90 Annular ring shank increases pull-out

Annular ring shank increases pull-out resistance to provide a secure attachment that reduces cupping of siding boards

self-drilling anchor designed for suspending 3/8" threaded rods from overhead steel members

Applications: Ideal for reinforcing decorative knee braces on pergolas

11 Color Match Options – Carbon steel with Quik Guard® coating

Use all specified fasteners to ensure full load capacity

Syntec 3" GCB76BK Pro Diamond Wet Core Drill Bit for Concrete RCA225/54-R90 Annular ring shank increases pull-outSyntec has been working hard for over two decades to manufacture exceptional power core bits for the construction industry. Syntec's diamond drilling tools can be used for a wide range of applications whether it is light or heavy duty drilling. The GCBBK Pro core bits are an ideal option for drilling into medium to hard concrete with medium steel reinforcements. Syntec's drill core bits feature diamond tipped segments and fittings comprised of sturdy