SK40 Side Lock Adaptor, Sla16 Sla20 Sla25 Sla32 Sla40 Mm for Cylendrical Shank Size:SK40SLA16-63L TM4509 Grade is used in

TM4509 Grade is used in all General steel

The 10T3 has a chipbreaker design

you can use  JDMW120420 from Mitsubishi Brand Insert into this

Avoid the drill dropped when used in instaneous change of direction and equipped with spanner hole for tightening prefect safety

such as checking a workpiece's tolerance variation

SK40 Side Lock Adaptor, Sla16 Sla20 Sla25 Sla32 Sla40 Mm for Cylendrical Shank Size:SK40SLA16-63L TM4509 Grade is used inSK40 SLA holder, also called the Side lock holder SK40 Side lock is primarily used to hold cylindrical or straight shank items, such as indexable cutters, baby chucks, and carbide drills, providing a straight shank for improved rigidity and strength. It ranges from 16 mm to 40 mm because the shank's minor diameter is compatible with a standard collet chuck. Made from alloy steel hardened to 54 56rcBalanced to G6. 3 at 12,000 RPMsConcentricity is less