Timberline 630-300 Flat Bottom Counterbore .394 Dia x 11/64 Drill Dia x 5/16″ Shank

If you’re looking for woodworking, carpentry, and contractor tools that offer superior cuts and smooth performance at prices that can’t be beat --- then look no further. Timberline® router bits, saw blades, boring & drilling bits, hand tools and accessories boast high quality at an affordable price. Each Timberline® tool is carefully engineered and manufactured to maximize performance while stretching your tool budget.