Beefy 3-1/2 Inch Thick Wall Core Bit For SDS-MAX And Spline Shanks, 4-3/8 Inch Cutting Depth, Durable Japanese Made Core Drill Bit, 3-1/2 Inch Diameter, Works With 12 Inch Or 18 Inch Thick Wall Shanks, Ideal For Concrete Drilling

3-1/2 in Thick-Wall Core Bit for SDS-MAX (Single)
✔️ 4-3/8 in depth, 3-1/2 in dia; fits 12 in or 18 in shanks

This thick-wall core bit is designed for SDS-MAX and spline shanks and is ideal for drilling large holes in concrete. Built for heavy-duty use with reliable Japanese manufacturing.

✅ 3-1/2 in diameter
✅ Usable depth 4-3/8 in
✅ Thick-wall core bit for SDS-MAX/Spline shanks
✅ Compatible with 12 in or 18 in thick-wall shanks
✅ Made in Japan

💡 What is a thick-wall core bit used for in concrete drilling with SDS-MAX or spline shanks?

Thick-wall core bits are designed to cut a kerf and remove the inner core, enabling deeper holes in hardened concrete. - For large diameter holes in concrete with heavy hammers - Kerf-only cut with inner core removed for deeper drilling - Requires proper center pin and guide plate for starting✝️