D420HX-3 Micro Precision Drills [Diameter: .3mm]

$43.21
In Stock
Diameter

7 Leader Micro Precision Drills

The 7 Leader Micro Precision Drills are ultra-precision solid carbide drills engineered for high-accuracy micro drilling applications. Featuring a 140° X-shape drill tip design, these drills combine sharp cutting performance with exceptional strength, delivering clean, accurate holes in small-diameter applications.

Key Features

  • 140° X-Shape Drill Point – Specialised split-point geometry improves centering accuracy, reduces thrust force, and enhances stability during drilling.
  • Ultra-Fine Size Range – Diameter range from 0.10mm to 3.00mm in precise 0.01mm increments for high-precision applications.
  • Nano Multilayer Coating – Advanced coating technology provides excellent wear resistance, improved lubrication, and extended tool life.
  • High-Precision Solid Carbide – Manufactured from premium carbide substrate for rigidity and performance in micro drilling operations.
  • Consistent Accuracy – Designed to minimise runout and maintain dimensional control in delicate drilling tasks.

Typical Applications

  • Micro drilling in general engineering
  • Precision component manufacturing
  • Electronics and fine mechanical parts
  • Toolroom and CNC machining applications

Material Compatibility

  • Steels below HRC30
  • Stainless steels
  • Cast iron
  • Aluminium
  • Copper and non-ferrous materials

Specifications

  • Brand: 7 Leader
  • Product Type: Micro Precision Drill
  • Point Angle: 140° X-Shape Split Point
  • Diameter Range: 0.10mm – 3.00mm
  • Increment: 0.01mm Steps
  • Coating: Nano Multilayer Coating
  • Material: Solid Carbide

(D420HX-3)

SKU D420HX-3
Brand 7 Leader

Be The First To Review This Product!

Help other Williams Tool Co users shop smarter by writing reviews for products you have purchased.

Write a product review