• Plunger Option


Ball Button

Dimension Drawing

BBBall Button寸法図


Unit : mm

Part Number L L1 A B Mass
CAD Add to Cart
BB-6 8 2 6 2 2 6.01 CAD Cart


Main body SK4 (hardness: 60-62 HRC) - Polishing


  • Use this for the recipient that requires abrasion resistance and accurate locating.
  • Especially effective for plungers for heavy load.
  • It can be used for pin type plungers, as well as ball type plungers.
  • For applicable ball button, please refer to each product page of the plungers.
  • Heat treatment and polishing applied. It is easy to press fit or press.
  • Machine the holes for ball button BB mounting so that they are transition fit or stationary fit.

Effective stroke S1 formula

BBBall Button

Product List

Customer Service

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NBK America LLC

8:00 to 17:00 on weekdays, Eastern Standard Time