2 Cross Concrete / ROCK BIT 2 3/4" Diameter MINING DRILLING Carbide insert rope

Description

Actual items in pictures
You get two bits  seen in gallery picture
Different thread size same diameter
Please view pictures for more information
one is Sandvick 2 3/4-600-1-107    1 1/2" rope thread
other unlabeled 1 3/4" rope thread
Both are 2 3/4" diameter
thank you