21mm is an intermediate‑precision reamer designed for finishing internal holes with reliable
W-coated carbide for longer tool life: A durable coating reduces wear and helps maintain consistent cuts over more hours of machining
it supports improved workflow and higher-quality results across a variety of materials and applications
The long neck design adds reach for deep grooves and complex mold features
while the straightforward GO check keeps operators focused on the task rather than the instrument
ITC Carbide End Mill Square Edge 164-ST - 2 Flute 30° Helix With Facet Relief - Micro - 0.6mm Composites 21mm is an intermediate‑precision reamerIntroducing the Carbide End Mill Square Edge 164 ST a precision micromachining tool built for engineers, technicians, and hobbyists who demand exacting detail. With a 0. 6 mm diameter and a square edge, this 2flute carbide end mill delivers crisp, repeatable cuts on fine features. Designed with a 30 helix and facet relief, it optimizes chip evacuation, reduces cutting forces, and enhances cutting stability for intricate work. This combination delivers