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CNMG120404/431 Negative Turning Insert

CNMG120404/431 Negative Turning Insert

Regular price $7.15 USD
Regular price $18.00 USD Sale price $7.15 USD
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Shipping calculated at checkout.
Material & Chipbreaker



  1. Insert Shape: C - Rhombic Shape 80°
  2. Clearance Angle: N - 0 °
  3. Tolerance: M Class
  4. Insert Type: G - With Cylindrical Hole and Double-Sided Chipbreaker

Cutting Condition:

FN: 0.10-0.50mm/rev

AP: 0.5-5.0mm

Size Table:

CNMA Negative Turning Insert
 Type  Size (mm)
L ΦI.C S Φd r
CNMG090304 9.7 9.525 3.18 3.81 0.4
CNMG090308 9.7 9.525 3.18 3.81 0.8
CNMG120404 12.9 12.7 4.76 5.16 0.4
CNMG120408 12.9 12.7 4.76 5.16 0.8
CNMG120412 12.9 12.7 4.76 5.16 1.2
CNMG120416 12.9 12.7 4.76 5.16 1.6
CNMG160608 16.1 15.875 6.35 6.35 0.8
CNMG160612 16.1 15.875 6.35 6.35 1.2
CNMG160616 16.1 15.875 6.35 6.35 1.6
CNMG190608 19.3 19.05 6.35 7.94 0.8
CNMG190612 19.3 19.05 6.35 7.94 1.2
CNMG190616 19.3 19.05 6.35 7.94 1.6

Shipping Policy

Thank you for visiting and shopping at our website. Following are the terms and conditions that constitute our Shipping Policy.

Shipment processing time

All orders are processed within 1-3 business days. Orders are not shipped or delivered on weekends or holidays.

If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.

Shipping rates & delivery estimates

Shipping charges for your order will be calculated and displayed at checkout.

We ship our products from our warehouse in China to the following countries:

Region Countries Delivery Time
North America United States, Canada, Mexico 7-15 business days
South America Brazil, Argentina, Chile 10-20 business days
Asia Japan, South Korea, Philippines, Indonesia, India, Pakistan 7-15 business days
Europe Turkey, Russia, Poland, Germany, France, Italy, Belgium, Spain, United Kingdom 10-20 business days
Middle East United Arab Emirates, Saudi Arabia 10-20 business days

If your country is not on this list, please contact us at to check if we can ship to your location.

Delivery delays can occasionally occur due to customs clearance or other factors beyond our control.

Shipment confirmation & Order tracking

You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.

Duties and Taxes

We are not responsible for any customs and taxes applied to your order. All fees imposed during or after shipping are the responsibility of the customer (tariffs, taxes, etc.). Please check with your local customs office before placing an order.


We are not liable for any products damaged or lost during shipping. If you received your order damaged, please contact the shipment carrier to file a claim.

Please save all packaging materials and damaged goods before filing a claim.

Returns Policy

Our Return & Refund Policy provides detailed information about options and procedures for returning your order.  Please check here.

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