Siem Tool Featured

Siem Tool®, a specialty round carbide tool manufacturer, was founded 16 years ago on the commitment to producing the highest quality products designed for the applications of their customers. Utilizing the most advanced equipment, current cutting tool technology and prominent industry knowledge, Siem Tool Company can manufacture even the most complex cutting tools. Siem Tool Company will manufacture tools per a customer’s tool print, or engineer tools to the requirements of a customer’s part and material. With over 100 years of combined industry knowledge, their goal is to supply Siem Tool customers with leading-edge solutions for their drilling, milling and forming applications.

Check out these excellent Siem Tool product lines:

End Mills, Reamers, & Form Tools

General Information:

  • Manufactured out of high-grade sub-micron carbide.
  • End Mill: Cutting Diameter Tolerances <+.000/-.002
  • Shank Diameter Tolerances <+.0000/-.0005
  • 9″ Flute Capability; Straight and Spiral Flutes; 12″ O.A.L.
  • Remanufacturing Services Available

Solid Carbide End Mills:

  • Square
  • Radius
  • Ballnose
  • Tapered
  • Formed & Step


Solid and Coolant Through:

  • 12″ O.A.L.
  • 9″ L.O.C

Step Drills:

  • Solid Carbide to 2 1/2″ Diameter 12″ O.A.L.
  • Coolant Thru to 27mm Diameter 10 330mm O.A.L.
  • 118° to 150° pt.
  • 140° High Performance S-Point
  • Coolant Thru / Solid Carbide 2/3 Flute 30°/40° Helix
  • Other points available

Standard Tolerances:

  • Diameter +.0000/-.0002
  • Shank Diameter +.0000/-.0005


  • Double Margin / “G” Drills
  • Special Edge / Point Prep – Siem Tool Edge Prep, utilizing CNC technology
  • Re-Point Prep
  • Re-Pointing and edge prepping – All high performance drills

Some images and information from Siem Tool’s website.