Cobalt Countersink Set, 5 Piece (100°)

Five 100° cobalt countersink cutters with number-size pilots, on the 1/4"-28 thread a microstop takes.

Where to buy

AmericaDistributor coming soonOur partner for this region is on its way

EuropeDistributor coming soonOur partner for this region is on its way

OceaniaDistributor coming soonOur partner for this region is on its way

AmericaMore distributors coming soon

EuropeMore distributors coming soon

OceaniaMore distributors coming soon

Cobalt cutters, where the 9-piece kit does not state the material. They thread into a cage such as the Wescon 596-S.

As with the kit, the #10 pilot matches the 3/16" cleco hole on our drill chart, not the #11 rivet hole.

Source: a distributor's listing, checked 2026-09-29.

What is the Cobalt Countersink 5 Piece Set made of?

Cobalt, according to the distributor listing checked on 2026-09-29.

Where can I buy the Cobalt Countersink 5 Piece Set?

A distributor we checked lists it in the Americas. The link to its page, with the live price and stock, opens when the partnership does.

Cobalt Countersink 5 Piece SetWhere to buy