1-3/4" chatterless countersink, 82° included angle, 6 flutes, high speed steel.
The staggered flute arrangement of a chatterless countersink shears rather than scrapes, so the chamfer comes out clean instead of lobed. Match the included angle to the fastener head you are seating.
If an HTC HSS or cobalt tool is not in stock, estimated time to ship is 10–15 calendar days.
Estimated time to ship is measured in calendar days, from order placement until your order is handed to the carrier. Carrier transit time is additional. Orders may ship sooner. We accept orders awaiting replenishment; please contact us before ordering if you need a specific shipping date.
See our Shipping Policy for details.