Torx Screw 2.5 mm T8 ( Pack of 100 Pcs) 12MM APMT CUTTER so you can just check

so you can just check the descriptions of sizes from other brands to fix this insert

APKT 11T3-C16-18-150L

ER50 UM AND C TYPE Spanner Wrench is made from high-quality alloy steel

ER collet sizes range from ER8 to ER50

BT40 Locking device with Vertical and Horizontal mode to tighten the Nut and pull the stud made of Steel

Torx Screw 2.5 mm T8 ( Pack of 100 Pcs) 12MM APMT CUTTER so you can just checkThe hardened Star Torx screws for milling cutters offered are screws that come with precision design and construction standards. These Torx screws are hardened to 50 55 HRC for wear resistance. These Torx screws are primarily used in indexable tools, including boring bars, insert cutters, and milling cutters. They are precision screws designed to improve the grip of carbide inserts with pockets. One packet contains 100 pieces; choose the length.