I think these screws are actually an improvement over the original screws found in economy tool holders. On them, the key fits the socket better than the original, as if the socket was deeper? If you use carbide indexable inserts, you should have them in your tool box.
π§ Accusize Tools Carbide APKT1604 0056 1604X10: Superior Quality and Precision Cutting Performance
3 Review
π§ OSCARBIDE CCMT21-51 CCMT060204 Multilayer Carbide Insert Replacement
3 Review
Excircle Indexable MTJNR1616H16 MWLNR1616H08 MCLNR1616H12
3 Review
Machining Stainless with the GBJ S12M SCLCR06 CCMT060204: Enhanced Precision and Efficiency
3 Review