# TPU 321 (TPUN 160304) Positive Square Shoulder Milling Insert, 8215 Grade | Pramet 6753423 - MROSupply.com

***Pramet TPU 321:8215 positive square shoulder milling insert — TPU 321 (ISO TPUN 160304), 60° triangle, 11° clearance, 3/8 in (9.525 mm) IC, 1/8 in (3.18 mm) thick, 0.4 mm corner radius, 8215 PVD coated fine-grained WC-Co carbide grade for cast iron (K10-K25). Article 6753423.***



## Product details:

- Catalog number: 6753423
- SKU: 6062354
- Price: ***$7.33*** Each
- Quantity: This product has a minimum order quantity of 10.
This is the minimum order quantity available when purchasing this product.
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Pramet](https://www.mrosupply.com/brands/pramet/)
- Category: 
    - [Square Shoulder & Chamfering](htts://www.mrosupply.com/cutting-tools/inserts/indexable-milling/square-shoulder-chamfering/)
    - [Indexable Milling](htts://www.mrosupply.com/cutting-tools/inserts/indexable-milling/)
    - [Inserts](htts://www.mrosupply.com/cutting-tools/inserts/)
    - [Cutting Tools](htts://www.mrosupply.com/cutting-tools/)
- Unit of measure: each
- Returns: Yes


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Chipbreaker: No chipbreaker
  

  
- Coating: 8215
  

  
- Coating property (CTP): 1
  

  
- Cooling effect: Slightly negative effect on tool life
  

  
- Corner radius - inch (RE): 0.016
  

  
- Corner radius - millimeter (RE): 0.4
  

  
- Cutting edge length - inch (L): 0.65
  

  
- Cutting edge length - millimeter (L): 16.5
  

  
- Depth of cut maximum - inch (APMX): 0.472
  

  
- Depth of cut maximum - millimeter (APMX): 12
  

  
- Depth of cut minimum - inch (APMN): 0.02
  

  
- Depth of cut minimum - millimeter (APMN): 0.5
  

  
- Feed maximal - millimeter: 0.2
  

  
- Feed minimal - millimeter: 0.1
  

  
- Feed_MAX_IMP_NUM: 0.008
  

  
- Feed_MIN_IMP_NUM: 0.004
  

  
- Inscribed circle diameter - inch (IC): 0.375
  

  
- Inscribed circle diameter - millimeter (IC): 9.525
  

  
- Insert thickness - inch (S): 0.125
  

  
- Insert thickness - millimeter (S): 3.18