# Dormer E6511/4 5978353 Machine Tap Spiral Flute 30° 2FL 1/4" x 20 UNC HSS - MROSupply.com

***Dormer E6511/4 5978353 machine tap with 1/4" x 20 UNC thread, spiral flute 30° helix, 2 flutes, HSS. DORMER DIN standard for steel and cast steel applications. Pre-drill hole diameter 5.1 mm.***



## Product details:

- Catalog number: 5978353
- SKU: 6082066
- Price: ***$20.37*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Dormer Pramet](https://www.mrosupply.com/brands/dormer-pramet/)
- Category: 
    - [Taps](htts://www.mrosupply.com/cutting-tools/thread-forming/taps/)
    - [Thread Forming](htts://www.mrosupply.com/cutting-tools/thread-forming/)
    - [Cutting Tools](htts://www.mrosupply.com/cutting-tools/)
- Unit of measure: each
- Weight: 0.044 lb
- Returns: Yes


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


## Product attributes;

  
- Basic Standard: DORMER DIN
  

  
- Clamping width - inch: 0.1969
  

  
- Clamping width - millimeter (WSC): 6.3
  

  
- Coating: Steam Tempered
  

  
- Coating property (CTP): 2
  

  
- Connection diameter - inch (DCON MS): 0.248
  

  
- Connection diameter - millimeter (DCON MS): 83
  

  
- Coolant supply property (CSP): 5
  

  
- EDP number: 273227
  

  
- Flute count (NOF): 30
  

  
- Flute Geometry (FDC): Spiral Flute Geometry
  

  
- Flute helix angle (FHA): 30
  

  
- Hand (Cutting direction): Right
  

  
- Material: HSS
  

  
- Material application: P - Steel and cast steel
  

  
- MID number: 5978353
  

  
- Ordering code ANSI: E6511/4
  

  
- Overall length - inch (OAL): 3.2677
  

  
- Overall length - millimeter (OAL): 83
  

  
- Premachined hole diameter - millimeter (PHD): 5.1
  

  
- Shank: Cylindrical shank with Square
  

  
- Tap chamfer style (TCS): C 2 - 3
  

  
- Thread diameter - inch (TD): 0.2008
  

  
- Thread diameter - millimeter (TD): 5.1
  

  
- Thread diameter size (TDZ): 1/4
  

  
- Thread form (THFT): UNC - Unified Coarse
  

  
- Threading length - inch (THL): 0.6693
  

  
- Threading length - millimeter (THL): 17
  

  
- Threads per inch (TPI): 20
  

  
- Usable length (ULDR): 1.5
  
## 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/60/82/6082065/E651_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