Sandvik Coromant R840‑0840‑30‑A1A 1220 Solid Carbide Drill

Sandvik R840‑0840‑30‑A1A 1220 Delta‑C Solid Carbide Drill

R840-0840-30-A1A 1220

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SKU: 20251403 Category: Brand:

📌 Product Overview

The Sandvik Coromant R840‑0840‑30‑A1A 1220 is a high‑performance
CoroDrill® Delta‑C solid carbide drill designed for precision
CNC drilling and holemaking applications. With an 8.4 mm
cutting diameter, optimized flute design, and split point geometry, this
drill delivers stable chip evacuation, accurate bore quality, and reliable
performance across steel, stainless steel, and non‑ferrous metals.:contentReference[oaicite:1]{index=1}

✔ Key Features

  • ✔ Delta‑C solid carbide construction for enhanced wear resistance
  • ✔ 8.4 mm cutting diameter for fine holemaking and precision drilling
  • ✔ Self‑centering split point design for reduced walk‑off
  • ✔ 140° point angle improves chip control and penetration
  • ✔ PVD TiAlN coating for extended tool life in steel and alloy materials
  • ✔ Designed for stable CNC drilling performance and repeatable results

⚙ Recommended Materials

  • ✔ Steel drilling in medium to high hardness materials
  • ✔ CNC drilling of stainless steel components
  • ✔ Holemaking in cast iron and non‑ferrous metals

✖ Not Recommended For

  • ✖ Milling and turning without drilling setup
  • ✖ Manual hand drilling without rigid fixturing
  • ✖ Deep hole boring outside recommended depth ratio

🔥 Performance Highlights

As part of the CoroDrill® Delta‑C R840 family, the R840‑0840‑30‑A1A 1220 drill
excels in precision CNC holemaking, low cutting torque drilling, and reliable
metal cutting cycles. Its optimized solid carbide design and chip flute geometry
support high surface finish quality and effective chip evacuation in demanding
drilling environments.

🔁 Same Type Recommended Models

To cover a wider range of precision drilling needs, consider the following
related CoroDrill® Delta‑C R840 drills:

  • R840‑0780‑30‑A1A 1220 – 7.8 mm diameter solid carbide drill
  • R840‑0830‑30‑A1A 1220 – 8.3 mm precision carbide drill
  • R840‑0952‑30‑A1A 1220 – 9.52 mm drill for larger holes
  • R840‑1160‑30‑A1A 1220 – Mid‑range drilling diameter option

🔩 Compatible Tool Categories

For matching accessories and complementary tools, visit our

Holemaking Tools
 and

Tool Holder

categories to complete your CNC drilling setup.

📞 Technical Confirmation

If you are unsure whether the R840‑0840‑30‑A1A 1220 drill
matches your machine or drilling application, contact our technical support
team for cutting parameter recommendations and material suitability guidance.


Image Notice: Product images are for reference only. Actual appearance may
vary depending on production batch and configuration.

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