successfully added to cart
View Cart


Mark all as read
Mobile Menu

Tech Tip #60 - Work Hardening During Machining

Work hardening of materials is a condition that should be avoided while machining. It is caused when heat generated by the cutting tool transfers to the workpiece material and causes plastic deformation. The process is similar to a heat treatment of the workpiece but on a lower scale.

When a part work hardens during machining, its surface becomes a shiny glaze and appears slippery. The machined part can even take on the same hardness as the cutting tool.

How to avoid work hardening:

  • Make sure the cutting tools are always sharp!
  • Run at the recommended feeds and speeds for the material being machined. If these are incorrect, tool rubbing (versus cutting) will increase heat.
  • Use coolant-fed tools. Water-based coolant should be used at about 8% to 10% mix.
  • Do not dwell the tool in one position.
  • When drilling, run with constant feed whenever possible.
  • If peck drilling, reduce the number of pecks and withdraw each peck one tool diameter.
  • When experiencing tap breakage, the cause may not be the tap, but a work-hardened hole.
  • Stainless steels and high-temperature alloys are prone to work hardening.
  • Proper tool maintenance will help reduce work-hardening problems.
Please adjust the following properties from

catalogue ISO

catalogue ANSI

to find similar products.
You are about to create a duplicate . Do you want to proceed?
You are about to delete Do you want to proceed?
What would you like to rename your to?
Please enter a valid name
Please enter a name for the duplicate
Please enter a valid name
You are about to add to your My Solutions page. Do you want to proceed?
Please enter a valid name
Send a copy of

Please enter a valid Email
Please enter a valid name

The following CAD files are available

Please select a file to download

You should be logged to see your dashboard information
Session expired due to inactivity, please login again
The product/s () you were trying to add to the cart is/are not available, please contact customer service.
item(s) successfully added to the cart
View Cart

. Please enter the desired qty for the material(s) you want to include in your promotion or Proceed Without Promotion and only your base materials will be added to the cart.

SAP Material Number catalogue ISO Grade    
Thank you for your registration, pending approval & completion of the registration, your access is currently limited. Full utilization of product search capabilities & collaboration space is available and will remain. Please allow 2 business days for registration completion.

You are about to leave the Solution building process.

Are you sure you want to leave?