# Dormer J2458.0-20 6821346 Thread Mill 7/16" UNF 4FL Solid Carbide 10° Helix Oil Feed - MROSupply.com

***Dormer J2458.0-20 6821346 UNF thread mill, 7/16" cutting diameter, 4-flute solid carbide with 10° spiral flute and oil feed. 8mm shank, 63mm overall length, 19mm max depth of cut. For hardened materials, cast iron, stainless steel, non-ferrous metals, steel, and high-temperature alloys.***



## Product details:

- Catalog number: 6821346
- SKU: 6083471
- Price: ***$241.63*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Dormer Pramet](https://www.mrosupply.com/brands/dormer-pramet/)
- Category: 
    - [Multi Point Thread Mills](htts://www.mrosupply.com/cutting-tools/thread-forming/thread-mills/multi-point-thread-mills/)
    - [Thread Mills](htts://www.mrosupply.com/cutting-tools/thread-forming/thread-mills/)
    - [Thread Forming](htts://www.mrosupply.com/cutting-tools/thread-forming/)
    - [Cutting Tools](htts://www.mrosupply.com/cutting-tools/)
- Unit of measure: each
- Weight: 0.097 lb
- Returns: Yes


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


## Product attributes;

  
- Basic Standard: DORMER
  

  
- Coating: Alcrona Pro
  

  
- Coating property (CTP): 1
  

  
- Connection diameter - inch (DCON MS): 0.315
  

  
- Connection diameter - millimeter (DCON MS): 8
  

  
- Coolant exit style (CXSC): axial concentric exit
  

  
- Coolant supply property (CSP): 1
  

  
- Cutting diameter - inch (DC): 0.315
  

  
- Cutting diameter - millimeter (DC): 8
  

  
- Depth of cut maximum - inch (APMX): 0.748
  

  
- Depth of cut maximum - millimeter (APMX): 19
  

  
- EDP number: 46821346
  

  
- Flute count (NOF): 4
  

  
- Flute Geometry (FDC): Spiral Flute Geometry
  

  
- Flute helix angle (FHA): 10
  

  
- Hand (Cutting direction): Right
  

  
- Material: HM
  

  
- MID number: 6821346
  

  
- Ordering code ANSI: J2458.0-20
  

  
- Overall length - inch (OAL): 2.4803
  

  
- Overall length - millimeter (OAL): 63
  

  
- Shank: Cylindrical shank DIN 6535 HB
  

  
- Thread diameter size (TDZ): 7/16, 1/2
  

  
- Thread form (THFT): UNF - Unified Fine
  

  
- Threads per inch (TPI): 20
  

  
- Usable length (ULDR): 2
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/60/82/6082114/PTD_UB_DORMER_EN_dmlMB1R.pdf)
- [Line Drawing](https://documents.mrosupply.com/product_documents/60/83/6083467/J245_DIM.png)

## Product's reviews:
- Herramientas dormer - EXCELENTE PROVEEDOR ME GUSTA SU ATENCION Y PRESENTAN EXCELENTES PRECIOS
- Excelente tiempo de entrega - Rapido tiempo de entrega
- End mill dormer hss - Excelente herramienta de mecanizado , buena calidad para corte de acero inoxidables y al carbono