# Dormer G1258.0X4.5 5973224 180° 3-Flute HSS Counterbore 8mm x 4.5mm DIN 373 - MROSupply.com

***Dormer G1258.0X4.5 5973224 180° 3-flute HSS counterbore, 8mm cutting diameter with 4.5mm guide pilot diameter and 5mm guide pilot length. DIN 373 standard for counterbores with parallel shank and solid pilot. Suitable for cast iron, non-ferrous metals, and steel. 5mm connection diameter with M4 thread and h9 tolerance.***



## Product details:

- Catalog number: 5973224
- SKU: 6076585
- Price: ***$24.93*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Dormer Pramet](https://www.mrosupply.com/brands/dormer-pramet/)
- Category: 
    - [Solid Counterbores](htts://www.mrosupply.com/cutting-tools/holemaking/countersinks-counterbores/solid-counterbores/)
    - [Countersinks & Counterbores](htts://www.mrosupply.com/cutting-tools/holemaking/countersinks-counterbores/)
    - [Holemaking](htts://www.mrosupply.com/cutting-tools/holemaking/)
    - [Cutting Tools](htts://www.mrosupply.com/cutting-tools/)
- Unit of measure: each
- Weight: 0.031 lb
- Returns: Yes


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


## Product attributes;

  
- ApplicationAngleIcon_DICT_SEL: Counterboring (for fasteners) 180°
  

  
- Basic Standard: DIN 373
  

  
- Coating: Bright
  

  
- Connection diameter - inch (DCON MS): 0.1969
  

  
- Connection diameter - millimeter (DCON MS): 5
  

  
- Connection diameter tolerance machine side (TCDCONMS): h9
  

  
- Connection size code machine side (CZC MS): M 4 m
  

  
- Cutting diameter - inch (DC): 0.315
  

  
- Cutting diameter - millimeter (DC): 8
  

  
- Cutting diameter tolerance class (TCDC): z9
  

  
- EDP number: 107805
  

  
- Flute count (NOF): 3
  

  
- Guide Pilot Diameter - millimeter (GPD): 4.5
  

  
- Guide Pilot Length - millimeter (GPL): 5
  

  
- Hand (Cutting direction): Right
  

  
- Head length - millimeter (LH): 14
  

  
- Material: HSS
  

  
- Material application: K - Cast iron, N - Non-ferrous metals, P - Steel and cast steel
  

  
- MID number: 5973224
  

  
- Ordering code ANSI: G1258.0X4.5
  

  
- Overall length - inch (OAL): 2.7953
  

  
- Overall length - millimeter (OAL): 71
  

  
- Shank: Cylindrical shank
  

  
- Step included angle (STA): 180
  
## 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/60/76/6076567/G125_DIM_p9zFRAI.png)

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