drill bit 7 for sale, brand-new and used.

This drill bit attaches to a 7/8" H size head compressed air or water connection. It has tungston inserts for drilling through hard material. Fits Jack Hammer .

I believe this bit has a 22" cutting depth. I will correct that if it's wrong. Standard 1 1/4" x 7" thread.

eBay Template v2.5

eBay Template v2.5

Hydro Handle Diamond Wet Core Bit Set For Marble Granite Tile Anchor Drilling

New Hilti model 202899 DD-BS-ET 500 S, 20" core drill bit extension with standard 1 1/4"-7 threading. Ships to lower 48. Payment must be recieved within 2 days of listing ending.

Builders Depot® 2" X 14" Supreme Wet Core Bit with 1-1/4"-7 Female Head. Our Builders Depot® Core Bits have laser welded segments containing the highest quality artificial diamonds and have been specially formulated to offer the best performance in most materials. Supreme quality diamond bits are the preferred choice of professional concrete coring and drilling contractors, and are designed for medium to large sized jobs where cost per hole is important.

Milwaukee 7/8" core drill bit. New old stock. This core bit has never been used and is original paint.

MK 7/8" core drill bit. New old stock. This core bit has never been used and is original paint.

Hilti 77mm / 3" Core Drill Bit This bit is used and is missing 2 teeth, it still cuts fine and the remaining teeth have 90% life left on them. It got dropped and the result was 2 teeth knocked off, if you are hand drilling probably not the best bit to use. But if you are using a core drill with a base it will get the job done.

Hilti 28.6mm / 1-1/8" core drill bit. New old stock. This core bit has never been used and is original paint.

Hilti DD-C 3/8" x 6" T2 core drill bit. New old stock. This core bit has never been used and is original paint.

Hilti 4" core drill bit. New old stock. This core bit has never been used and is original paint.

Hilti 5-1/2" core drill bit. New old stock. This core bit has never been used and is original paint.

Hilti 1" core drill bit. New old stock. This core bit has never been used and is original paint.

Hilti 1-1/8" core drill bit. New old stock. This core bit has never been used and is original paint.

Hilti 3-1/2" core drill bit. New old stock. This core bit has never been used and is original paint.