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Rhombic (D) 55° Turning Inserts

Rhombic (D) 55° Turning Inserts

Well suited for applications with limited machine power, these rhombic inserts have a 55° point angle and provide good accessibility for profiling in external and internal turning applications. They are recommended for light roughing, semi-finishing, finishing, and longitudinal turning applications.

Insert shapes are available with a range of point angles. In general, inserts with a large point angle have a stronger cutting edge but produce more vibration and require more machine power than inserts with a small point angle. Inserts with a small point angle are more versatile, provide better accessibility for detailed cutting, produce less vibration, and require less machine power than inserts with a large point angle, but they have a weaker cutting edge and may be more prone to heat damage.

Inserts are available with a negative or positive basic shape. Negative inserts have a 0° clearance angle. They provide good edge strength and are recommended for external turning and heavy cutting applications. Double-sided negative inserts offer twice as many cutting edges as positive inserts, but single-sided negative inserts provide the best stability in heavy roughing applications. Positive inserts have a clearance angle that is greater than 0° and are a good choice for internal turning applications and external turning applications on slender workpieces. Positive inserts are single sided and produce lower cutting forces than negative inserts.

Best for Steel (P)

These turning inserts are the first choice for machining steel.

DCGT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCGT Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMT Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMX Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMX Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DNMG Insert Style — 11 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMG Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Left Hand

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Right Hand

DNMG Insert Style — 19 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMM Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMX Insert Style — 11 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMX Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DPMT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 11 ° Clearance Angle — Neutral

DPMT Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 11 ° Clearance Angle — Neutral

TRDC Insert Style — 13 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

Best for Stainless Steel (M)

When machining stainless steel, use these turning inserts for best results.

DCGT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCGT Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMT Insert Style — 11 Seat Size

7 ° Clearance Angle — Neutral

DNMG Insert Style — 11 Seat Size

0 ° Clearance Angle — Neutral

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMG Insert Style — 15 Seat Size

0 ° Clearance Angle — Neutral

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Left Hand

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Right Hand

DPMT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 11 ° Clearance Angle — Neutral

TRDC Insert Style — 13 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

Best for Heat-Resistant Materials (S)

Choose from a range of turning inserts that perform well when machining on heat-resistant materials.

DCGT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMT Insert Style — 11 Seat Size

7 ° Clearance Angle — Neutral

DNGG Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNGP Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMG Insert Style — 11 Seat Size

0 ° Clearance Angle — Neutral

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMG Insert Style — 15 Seat Size

0 ° Clearance Angle — Neutral

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

Best for Hardened Materials (H)

Use these turning inserts for good performance when machining hardened materials.

DCGW Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCGW Insert Style — 11 Seat Size

7 ° Clearance Angle — Neutral

Neutral Rake — 7 ° Clearance Angle — Neutral

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMW Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DNGA Insert Style — 11 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNGA Insert Style — 15 Seat Size

0 ° Clearance Angle — Neutral

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMA Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

TRDC Insert Style — 13 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

Best for Cast Iron (K)

Get good results when machining on cast iron with these turning inserts.

DCMT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMX Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DNGA Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNGN Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNGQ Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNGX Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMA Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMG Insert Style — 11 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMG Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMX Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DPMT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 11 ° Clearance Angle — Neutral

DPMT Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 11 ° Clearance Angle — Neutral

Best for Nonferrous Metals (N)

Machine aluminum and other nonferrous materials with these turning inserts.

DCGX Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCGX Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMW Insert Style — 11 Seat Size

7 ° Clearance Angle — Neutral

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

For Universal Use

A good choice for a range of materials, these turning inserts can be used for a variety of machining tasks on different materials.

DCGT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCGW Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCGW Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMT Insert Style — 07 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMT Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DCMW Insert Style — 11 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral

DNGA Insert Style — 11 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNGA Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNGG Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNGN Insert Style — 15 Seat Size

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

DNMG Insert Style — 11 Seat Size

0 ° Clearance Angle — Neutral

DNMG Insert Style — 15 Seat Size

0 ° Clearance Angle — Neutral

Negative (Extended-Life) Rake — 0 ° Clearance Angle — Neutral

TRDC Insert Style — 13 Seat Size

Positive (Smooth-Finish) Rake — 7 ° Clearance Angle — Neutral