Please feel free to contact to TNK for precision shaft, roller, Needle, Lead screw and materials.

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Q&A

Q
Do you manufacture needle bearing?
Q
We don’t manufacture needle bearing,
but only single item high precision needle or roller.
Q
What is TNK’s strength?
Q

We TNK has various machine and technic for cutting, plastic forming, grinding and heat treatment. We especially takes pride in grinding process for high precision products.

Q
What is ‘grinding screw’?
Q

It is a screw that has been processed by the grindstone. In general, a lot of amount screws , rolling , have been made by cutting.
Generally screw which has been processed in the grinding wheel , also a high degree of accuracy , will be a high price because of the low production capacity . But our company is to establish a screw processing of the unique technology , high accuracy with excellent mass production by the equipment , various It offers in such fields.

Q
What kind of material do you use?
Q

Mainly Stainless, and also bearing steel, dies steel, carbon steel and rare metal.

Stainless steel
Austenite
SUS201、SUS301、SUS303、SUS304、SUS310、SUS315、SUS316、SUS316L、SUS317
Martensite
SUS410、SUS416、SUS420J2、SUS420F、SUS440C
Ferrite
SUS405、SUS410L、SUS430、SUS430L、SUS434
Bearing steel SUJ2
Dies steel SKD11
Kuromori steel SCM415、SCM418、SCM420、SCM435、SCM440、SCM445
Carbon steel S40C、S45C、S50C
Free-cutting steel SUM21、SUM22、SUM24L
Rare metal Tungsten, molybdenum, silicon, etc.

Processing of various other super-hard materials are also available.

Click here for details
Q
Even if you can request together heat treatment?
Q

In-house , so we have a vacuum carburizing furnace, continuous heat treatment furnace , and select the proper heat treatment tailored to the shape characteristics you can select the heat treatment tailored to your needs .

Processing introduction of " heat treatment"
Q
Trial is it possible ?
Q

The Company has the help from the conception, planning and development stages of your product. In addition, by help from the development stage, we perform extraction and suggestions for improvement in the problem at the time of mass production. In addition, in the mass goods and let me establish a system that can supply the product of quality that was stable and less expensive to develop the private facilities.

  • Please contact to TNK from the sample order to the mass-production.
  • Contact form
  • 029-866-0811
    【Reception time】9:00~18:00(Except weekend and holiday)

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Tsukuba Plant achieve IATF16949.

(Site: Tsukuba Plant・Tsukuba Plant Building A)

(Scope: Manufacturing Micro shaft and Metal packing)

  • Sample・Spot order
  • For Factory in China
  • Looking for the Automotive parts