5/8" body 82° micro stop countersink, 1/4-28 thread.
A micro stop countersink screws into a micro stop cage, which sets the depth mechanically so every seat comes out the same — the standard way of countersinking for flush fasteners in aerospace work. The cutting body is 5/8" at an 82° included angle, on a 1/4-28 mounting thread.
It takes pilot pins from 5/32 to 3/8", so one cutter covers a range of hole sizes: change the pilot, not the tool.
Available in 2, 3 or 4 flutes and other pilot ranges on request.
Micro stop countersinks are made to order by HTC Mfg. and are not kept in stock. Estimated time to ship is 4–6 weeks from order placement.
Estimated time to ship is measured from order placement until your order is handed to the carrier. Carrier transit time is additional. Please contact us before ordering to confirm the pilot diameter and flute count you need.
See our Shipping Policy for details.
