Sales Features

  • Value for money Investment

    You will be satisfied with economic prices and high quality tools of DSM

  • Pure Korean Materials & Manufacturing

    Advanced Machining & Heat-Treatment Facility & Technology in Korea

    Strict Production management from the raw material to the complete product

  • Proven quality in various actual fields world wide

    With accumulated experience, up-to-date production facility and technically certified experts

    DSM chisels have been supplied to over 50 companies of more than 30 countries

  • Reliable Name “DSM”

    DSM is a manufacturer of high quality Demolition Tools and has been proven as the first class quality products world wide

  • Continuous Research & Development

    Further development & new model will never end

    DSM specialists are working for heat treatment process and examination of the qualities

  • Technical back up and Warranty provided

    Refer to our standard warranty guide & policy in the catalogue

  • *Below four types of chisels can be supplied from DSM.

Production Process

Heat Treatment

*Scroll to right.

Austenting Tempertature810~850℃ (20min/inch)
CoolingWater Oil Cooling
Structure"Tempered Martensite Bainite + Pearite + Ferrite + Tempered Martensite"

Quality Assurance

We DSM provide the most suitable and durable DSM working tools.
Our tools are manufactured to O.E. standards and are hardened to customers’ needs.
In order to satisfy the customers, DSM working tools are designed ad produced under the strict quality control.

Mechanical Properties (Dia 150mm)

Test Point

  • Hardness profile test piece
  • Tensile strength test piece
  • Impact test piece

Test Result

*Scroll to right.

Surface HardnessHRC51±3 Core HardnessHRC35±3
Tensile Strength(min)1250N/mm² Yield Point(min)950N/mm²
Elongation10~14% Reduction of Area35~40%
Impact Work23~28 ft1b Grain Size7.0~8.0


*Scroll to right.

CSiMn NiCrMo