Heavy Duty SDS Max And Spline Thick Wall Carbide Tipped Core Bit, 4 Inch Diameter With 4-1/16 Inch Cutting Depth, Ideal For Thick Wall Concrete Drilling, Includes 12 Inch Or 18 Inch Shank Options

Heavy-Duty SDS-MAX Thick-Wall Core Bit for Concrete Drilling
✔️ 4 in dia, 4-3/8 in depth, thick-wall core, 12 in or 18 in shank

This heavy-duty core bit is designed for SDS-MAX and spline drives, ideal for drilling thick-wall concrete and large holes in reinforced concrete. It is typically used in construction and retrofit projects where deep, precise holes are needed in tough masonry.

✅ 4 in diameter carbide-tipped core bit with thick-wall construction
✅ SDS-MAX/Spline drive compatibility for large-ho​le drilling
✅ Usable depth 4-3/8 in, ideal for thick-wall concrete
✅ Shank options include 12 in and 18 in for extended reach
✅ Made in Japan, built for durability in tough concrete
✅ Extension available for deeper drilling (7-1/2 in)

💡 What is a SDS-MAX/Spline thick-wall carbide core bit used for in heavy concrete drilling?

Handy explanation:

- Large-diameter hole cutting with SDS-MAX or spline drive - Thick-wall design handles hard, cured concrete and larger hammers - Long reach with 12 in or 18 in shanks for deep cores - Carbide-tipped tip delivers longer life in tough concrete✝️