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Indexable insert for turning CNMM 120412, for coarse machining

Article no.: 2158781 Catalog no.: 250453
Price per 1 Piece
Net price: CHF 11.95

Scale prices:

  • from 1 Piece
    CHF 12.92 / 1 Piece
  • from 10 pieces
    CHF 10.81 / 1 Piece
Do you want to order more than one article? To quick entry
on request
In stock
60 pieces in stock
Packaging units:  1 Carton: 10 pieces

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Product details

Technical Data

Base form rhombic
Thickness of insert S 4.76 mm
Insert version neutral
Length of cutting edge l 12 mm
Diameter of insert d 12.7 mm
Corner radius R 1.2 mm
Corner angle 80 degrees
Rake angle 6 degrees
Normal clearance angle (main cutting edge) 0 degrees
Normal clearance angle (auxiliary cutting edge) 0 degrees
Attachment hole diameter 5.16 mm
Type of chip breaker SR
Cutting depth, recommended working area, min. 2 mm
Cutting depth, recommended working area, max. ap max 10 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 0.4 mm/rev.
Max. feed rate fz 1.2 mm/rev.
Tool material Carbide
Machining group, manufacturer-specific P20
Machining group P (steel)
Cutting media, manufacturer’s designation HB7020-2
Coating coated
Grade HB7020
Insert thickness T 4.76 mm
Type of fastening for insert M (with cyl. hole clamped from above and via the hole)
Insert designation CNMM120412
Type of product cutter insert
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
Weight 10 g
Content single part

Packaging units

1 Carton 10 pieces

Identification & Classification

Article number 2158781
Catalog number 250453
EAN / GTIN 4069515016544
Manufacturer number 250453 HB7020-2
Article class 21G
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

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
continuous
 
wet maximum
 

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