25mm HSS 82° Straight Shank Countersink Cutter E-Z Coil Kit Economy No. 10-32 X 1.5D Unf Helicoil Thread Repair Bottoming Chamfer (1–2 Threads) –

Bottoming Chamfer (1–2 Threads) – Ensures maximum engagement down to the hole base

The Kyocera MEA16-S16 is a precision-engineered mini end-face and profile milling holder designed for the MEA16 insert system

Insize 3-4" Groove Micrometer

Applications: External Thread Turning for ISO/UN/NPT threads in medium pitch ranges

25mm HSS 82° Straight Shank Countersink Cutter E-Z Coil Kit Economy No. 10-32 X 1.5D Unf Helicoil Thread Repair Bottoming Chamfer (1–2 Threads) –Precision Cutting for Versatile Materials The 25mm Hi Speed Steel (HSS E) 82 Straight Shank Countersink is a high quality tool, perfect for a wide range of materials, including steel and aluminium. A countersink creates a conical impression on the surface of the material, which allows for the seating of countersunk bolts or fasteners. The purpose of using a countersunk fastener is to create a flat surface, preventing anything from catching on it.