• System maintenance: Limited availability of the online shop
    Due to maintenance work, the online shop will have limited availability from midnight on Friday, 11 September 2026, to around 6 p.m. on Sunday, 13 September 2026.
    Business customers can still place orders during this time, but customer-specific prices will not be available. Private and guest orders cannot be placed during this period.
    • A surcharge will be applied to this item. This will be charged in the last step of the ordering process.

Indexable insert for turning CNMM 120412, for coarse machining

Article no.: 2105305 Catalog no.: 250492
Price per 1 Piece
Net price: CHF 13.20
Do you want to order more than one article? To quick entry
  • Minimum order quantity 10 pieces
  • Order steps: 10 pieces
on request
Delivery in 3 - 4 working days
0 pieces in stock
Packaging units:  1 Carton: 10 pieces

Select article variation and quantity

Grade Price per 1 Piece (incl. VAT)

Add to wishlist

Share this product

or copy this link

Product details

Technical Data

Base form rhombic
Thickness of insert S 4.76 mm
Insert version neutral
Length of cutting edge l 12.9 mm
Height of cutting edge 4.76 mm
Diameter of insert d 12.7 mm
Corner radius R 1.2 mm
Corner angle 80 degrees
Rake angle 22 degrees
ISO-Code CNMM 120412
Attachment hole diameter 5.16 mm
Type of chip breaker PX
Cutting depth, recommended working area, min. 1 mm
Cutting depth, recommended working area, max. ap max 11 mm
Cutting depth ap, min. 0.8 mm
Cutting depth ap, max. 4.25 mm
Cutting speed, main application, min. 140 m/min
Cutting speed, main application, max. 300 m/min
Min. feed rate fz 0.25 mm/rev.
Max. feed rate fz 0.9 mm/rev.
Tool material Carbide
Machining group P (steel)
Cutting media, manufacturer’s designation CA125P
Coating TiCN
Insert thickness T 4.76 mm
Interface coding for insert CN1204122N
Interface coding for insert according to ISO TS 13399-60 CN1204122N
Insert designation CNMM120412
Type of product cutter insert
With ISO code yes
Number of teeth 4 pcs.
Direction of action neutral
Suitable for material steel (P)
Tolerance Class M
Finishing / roughing assignment roughing
Type of fastening hole
Chip breaker yes
Cutter version rounded (E)
Cutting conditions interrupted
Number of potential uses 2 pcs.
Weight 10 g

Packaging units

1 Carton 10 pieces

Identification & Classification

Article number 2105305
Catalog number 250492
EAN / GTIN 4960664013999
Manufacturer number TMK00109
Article class 25E
Manufacturer/responsible person KYOCERA UNIMERCO Tooling GmbH, Hammfelddamm 6, 41460 Neuss, Germany, www.kyocera-unimerco.de

Application Table

Steel < 500 N/mm²
P
Steel < 750 N/mm²
P
Steel < 900 N/mm²
P
Steel < 1100 N/mm²
P
Steel < 1400 N/mm²
P
INOX < 900 N/mm²
M
INOX > 900 N/mm²
M
Uni
 
irregular
 
wet maximum
 

Downloads & documents

Suitable products

Services & product advisors

Flyers

If you see this, something went wrong, or you disabled javascript

Select pick-up location

Sign in

Are you a new customer?

Login

Your contact person

Set commission

Your customer card

Please present the QR code at the checkout.
Retrieved on 
To shopping cart