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Chipbreaker
Inserts for Indexable-Tip Drill Bits

Inserts for Indexable-Tip Drill Bits

Connect these inserts to an indexable drill bit to form cutting edges, and rotate the inserts when dull to expose a new cutting edge. When all sides of the insert have been worn, or to improve drilling performance in different materials, replace just the insert rather than the entire drill bit.

For CoroDrill 880

Use these inserts to form a cutting edge on the CoroDrill 880 indexable drill bit. Choose an insert based on the material to be drilled and the drilling conditions. CoroDrill 880 indexable drill bits require two inserts, one central insert and one peripheral insert.

01 Seat Size

Central Insert

Peripheral Insert

02 Seat Size

Central Insert

Peripheral Insert

03 Seat Size

Central Insert

Peripheral Insert

04 Seat Size

Central Insert

Peripheral Insert

05 Seat Size

Central Insert

Peripheral Insert

06 Seat Size

Central Insert

Peripheral Insert

07 Seat Size

Central Insert

Peripheral Insert

08 Seat Size

Central Insert

Peripheral Insert

09 Seat Size

Central Insert

Peripheral Insert

For CoroDrill 881

When drilling small-diameter holes with the CoroDrill 881 indexable drill bit, use these inserts to form a cutting edge on the tool. Choose an insert based on the material to be drilled and the drilling conditions. CoroDrill 881 indexable drill bits require two inserts, one central insert and one peripheral insert.

02 Seat Size

Central Insert

Peripheral Insert

03 Seat Size

Central Insert

Peripheral Insert

04 Seat Size

Central Insert

Peripheral Insert

For Coromant U Plunge Drill

Form a cutting edge on the Coromant U indexable drill bit by attaching these inserts to the tool. Choose an insert based on the material to be drilled and the drilling conditions. Coromant U indexable drill bits require two inserts, one central insert and one peripheral insert. Some inserts have a wiper flat that leaves a good surface finish on the workpiece.

02 Seat Size

Central Insert

Peripheral Insert

03 Seat Size

Peripheral Insert

Peripheral/Central Insert

04 Seat Size

Peripheral Insert

Peripheral/Central Insert

05 Seat Size

Central Insert

Peripheral Insert

Peripheral/Central Insert

06 Seat Size

Central Insert

Peripheral Insert

Peripheral/Central Insert

08 Seat Size

Central Insert

Peripheral Insert

Peripheral/Central Insert

For T-Max U Stack Drill

These inserts are for stack drilling applications with the T-Max U indexable drill bit. T-Max U indexable drill bits use two inserts, one central insert and one peripheral insert, to form cutting edges on the tool. Choose an insert based on the material to be drilled and the drilling conditions.

03 Seat Size

Peripheral/Central Insert

04 Seat Size

Peripheral/Central Insert

05 Seat Size

Central Insert

Peripheral Insert

Peripheral/Central Insert

06 Seat Size

Central Insert

Peripheral Insert

Peripheral/Central Insert

08 Seat Size

Central Insert

Peripheral Insert

Peripheral/Central Insert

13 Seat Size

Peripheral Insert

16 Seat Size

Peripheral Insert

22 Seat Size

Peripheral Insert