High Feed Milling Insert Blanks:
Introduction:
We GEHM supply a complete product line of cemented carbide index-able insert blanks from ISO/ANSI standard insert blanks to customized insert blanks. Talking about the high feed milling insert blanks, in most cases these product line are bespoken to customer’s drawing. Customer can also send us the finish insert design and we can send blanks drawing for confirmation. Normally, customer will grind the bottom surface from our sintered milling tool blanks, hone and then coating. But sometimes to reach higher precision, such as G or H class inserts, customer will grind the periphery as well.
Specification:
There are lots of specifications for these cutting tools blanks, such as SDMT120512 and SDMT150512. Please feel free to send us your designed drawing or samples to review.
Shape | Style | Dimension(mm) | Grade | ||
IC | T | R | GU20 | ||
| SDMT120512 | 12.70 | 5.56 | 1.20 | ● |
SDMT150512 | 15.875 | 5.56 | 1.20 | ● | |
Most Popular Grade for High Feed Milling Insert Blanks:
Grade | Application | Microstructure |
GU25UF | 12% cobalt, Ultra-fine grade, Suitable for high speed finish milling of steel, cast iron and nonferrous metals. | ![]() |
Notes: GU25UF can replace KFU66 of Kennametal, 12UF from Hyperion and HB30UF from Boehlerit. Welcome to send us enquiry to test this grade.
GEHM Grade | Grain Size | Hyperion | Ceratizit | Kennametal | Boehlerit | Estech | ZCC |
GU25UF | 0.4 | 12UF | TSF44 | KFU66 | HB30UF | RX12UF | YU12 |
Features of High Feed Milling Insert Blanks:
● 100% virgin raw RTP, excellent material quality
● High product consistency, easy for grinding
● Supreme cutting performance, longer tool life with GEHM’s carbide insert blanks
● Quality traceability from tungsten powder to finished insert blanks
Application of High Feed Milling Insert Blanks:
● Be ground and coated for high speed finish milling of steel, cast iron and nonferrous metals.
● Widely used in auto industry
Before use, all insert blanks need to be ground, ER and then coated for the best performance. The insert we are supplying are just the substrate. Toolmaker will make the post treatment. Following is a process chart for example.

All the tungsten powder and RTP are made in house, which ensure a stable and fast supply of high quality fast feed milling tool blanks for toolmakers and fabricators.

Our Services for milling insert blanks:
● Material inspection and certification can be provided upon request
● Dimension inspection by advanced equipment like Keyence, ZEISS
● Sample analysis service available, including CAD engineering to material analysis
● We can provide grinding service or resource if necessary
Production Process of Milling Insert Blanks:

Our Factory for High Feed Milling Tool Blanks:

GEHM presented exhibition in China and abroad:

FAQ:
Q1: When is your company founded?
A: Three decades ago, we entered into tungsten industry. Later due to products expansion, GEHM was founded in 2011 to professionally focus on cutting tool blanks and wear parts.
Q2: What’s your main product?
A: Standard & custom-made insert blanks, carbide flats, circular saw, saw tips and wear parts…
Q3: What countries do you mainly export to?
A: America is our main export market at present. Our custom-molded insets blanks and saw tips sell well there. And we also have business in Asia and Europe. Europe is a market with unlimited potential and it is also our focus of works for the long future. There are lots of excellent toolmakers such as Mapal, Horn, Smicut in Europe.
Packaging & Shipping:


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