GN 249.1 Ball buttons for spring plungers


Product description


Ball buttons GN 249.1 are mainly used with spring plungers when low wear and exact positioning are needed.

To achieve optimal locking of the spring plungers, the maximum distance a between the ball button and the spring plunger should not be exceeded. The maximum distance a is calculated from the difference between the spring travel w of the selected plunger and the indentation depth s of the ball in the recess.

These ball buttons are especially recommended for use with spring plungers with high spring loads.


hardened and ground


Technical drawing

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GN 249.1 Ball buttons for spring plungers sketch

Article options / Table

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d1 p6d2d3
spring plunger
l1 ±0,05l2s  ≈
Indentation depth
of the ball
into the recess
for d0
GN 615
GN 615.2
GN 615.3
GN 615.5
GN 815
GN 815.1

GN 615.8

GN 614
GN 614.2
GN 614.5

GN 614.3

GN 614.8

GN 615.1
GN 615.4

GN 616
GN 616.1
41,8*51,5M 4=0,4M 6=0,4Ø 3,5=0,4Ø 3,5=0,4Ø 5=0,4M 5=0,4M 5=0,4*
62,5*81,5M 5=0,7 / M 6=0,5M 8=0,5Ø 4=0,7 / Ø 5=0,4Ø 4=0,7 / Ø 5=0,5Ø 6=0,5M 6=0,8 / M 8=0,5M 6=0,8 / M 8=0,5*
83,5*102M 8=0,8M 10=0,9Ø 6=0,7Ø 6=0,8Ø 8=1,5M 10=0,8M 10=0,8*
104,5*122M 10=1M 12=0,9Ø 8=1Ø 8=1Ø 10=0,9M 12=1M 12=1*
126*142,5M 12=1,4M 16=1,2Ø 10=1,4Ø 10=1,4Ø 12=1,2M 16=1,2M 16=1,2*
167,5*182,5M 16=1,7-Ø 12=1,7Ø 12=1,7-M 20=1,6M 20=1,6*
208,5*223M 20=1,8----M 24=1,6M 24=1,6*
* see spring plunger

Build & Price


Selected Part (How to order)

Weight: 0,001 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 Euro -> 10 % discount
from 275,00 Euro -> 20 % discount
from 375,00 Euro -> 30 % discount
With a total value (net) per order:
All prices in accordance with our price list No. 52, valid from 1 May 2019, plus VAT only valid for Germany.

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