Our Products

OSG

Japanese Precision in Threading & Drilling

OSG Corporation is globally recognized for its Japanese engineering precision and uncompromising quality. As a leading manufacturer of taps, end mills, and drilling tools, OSG develops cutting tools designed to deliver exceptional accuracy, reliability, and superior surface finishes across a wide range of machining applications.

With decades of innovation and manufacturing expertise, OSG continues to set industry benchmarks in threading, drilling, and milling technologies.



Key Product Categories:

  1. Threading
    OSG offers a comprehensive range of premium taps and dies, including the widely acclaimed A-Tap series, designed for efficient and precise thread production across multiple materials.
  2. Drilling
    High-performance carbide drills engineered for machining steel, stainless steel, cast iron, and other demanding materials while maintaining accuracy and long tool life.
  3. Milling
    Advanced end mills developed for mold and die manufacturing as well as high-precision milling applications requiring superior surface finish and dimensional accuracy.

Why Choose OSG?

  1. Global Leadership in Threading
    OSG is widely regarded as one of the leading manufacturers of tapping solutions worldwide.
  2. Advanced Tool Geometry
    Innovative tool geometries help ensure efficient chip evacuation, reduced cutting resistance, and stable machining performance.
  3. Versatile Applications
    OSG tools are designed to perform across a wide range of materials — from general steels to difficult-to-machine alloys and heat-resistant superalloys.



Taps

Spiral Flute Tap

For blind holes / work materials that cause chips to curl into coils.

Spiral Point Tap

For thru-holes / work materials that cause chips to curl into coils.

Hand Tap

For blind / thru-holes; high hardened materials / powdery chips.

Forming Tap

For blind / thru-holes. Ideal for ductile work materials.

Pipe Tap

For producing internal threads to meet a variety of standards.

Thread Mill

Produces internal and external threads utilizing helical milling.



Drills

Stub (2D - 4D)

Short flute lengths and rigid. Ideal for shallow holes.

Jobber (5D - 8D)

Medium to long flute length drills for a wide range of work materials.

Long (10D - 50D)

Long flute lengths with stable chip evacuation for deep-hole drilling.

Micro

As small as 0.02mm dia. for precision drilling of miniature holes.

Coolant-Fed

Internal coolant capability for faster speeds and longer tool life.

Chamfering

Can be used for centering. Also known as "starting drill."



Endmills

Square

Broad lineup of materials (CBN, etc.) and styles up to 8 flutes.

Roughing

Nicks along cutting edge to produce manageable chips during roughing.

Ball

For high accuracy contouring. Available in various styles.

Radius

Corner R type for various applications - from roughing to finishing.

Tapered

For milling of parts with mating angled surface.

Router

For composites and exotic materials. Available with diamond coating.

Chamfering

For deburring, countersinking and chamfering.

Ceramic

For high efficiency roughing in heat-resistant alloys. Available in peripheral or end cutting edge

Variant Shape

Enables large pitch processing with the barrel and lens-like geometry.