Agate drill tips During drilling, the tips of agate drills become hot and often spall off. Read more about Agate drill tips
Jasper drill bits Jasper drill bits were used for drilling carnelian and amazonite beads during the Ravi and subsequent phases at Harappa. On the left are two snapped drill tips while on the right is a broken drill base. All are from the Ravi phase. Read more about Jasper drill bits