Accepting
Orders
Government,
Businesses, Airlines - small and
large - your orders are welcome
here. Contact our sales team at
sales@e-aircraftsupply.com
AOG
Service
When you absolutely positively must
have it right now. Your AOG is our top
priority at Jaco.
EDI
Requests
Place your order easily and securely
via Spec2000, by fax at 626-855-2872
or via sales@e-aircraftsupply.com.
Customer
Service
Industry's fastest RFQ turnaround.
Get the answers you need now
regarding the parts and service you need.
Shipping
Worldwide
Whether you're in
Beijing, Warsaw, or Wisconsin, get the
part you need by tomorrow morning.
Authorized
Worldwide
Wholesaler
We are an authorized wholesaler for a
host of internationally recognized
manufacturers.

Countersinks

CountersinksCountersinks are tools which are used for forming an annular chamfer around a circular hole in metal and other materials. They often comprise a generally conical body portion having a plurality of longitudinal flutes forming cutting edges. As the countersink is rotated in the hole, the cutting edges remove material from the workpiece to produce the chamfer. Jaco offers countersinks that have been made which have a conical body with one flue which forms both a cutting edge and a trailing edge. Cutting edge clearance is provided around the conical body between the cutting edge and the trailing edge.

We offer all types of countersinks. Selection, quality, and quick delivery are why the largest names in industry choose Jaco for thier countersink needs.

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