GN 648.5 Stainless Steel-Ball joint heads with female thread


Product Family Stainless Steel

Standard parts made of rustproof stainless steel have been designed for use in the food sector, in the chemical industry, for aggressive ambient conditions or for outdoor use.

  • corrosion-resistant
  • precise fit
  • environmentally friendly
Show all Stainless Steel products

Product description


Stainless Steel-Ball joint heads GN 648.5 are similar to DIN ISO 12240-4, series K (formerly DIN 648 K).


Housing Stainless Steel
  • AISI 431
  • forged, polished

  • Type NH (lubrication possible)
    Bearing socket in Bronze CuSn8
Internal ring Steel 100Cr6
hardened, ground, polished,
hard chrome plated
  • Type WH (self lubricated)
    Bearing socket in Bronze CuSn8
    with PTFE-insert
Internal ring Steel 100Cr6
hardened, ground, polished,
hard chrome plated
  • Type WK (self lubricated)
    Bearing socket
    Stainless Steel AIOSI 316Ti
    with PTFE-insert
Internal ring
Stainless Steel 420
hardened, ground, polished

RoHS compliant

On request

narrow model (ISO 12240-1, series E)

Technical drawing

Hide technical drawing
GN 648.5 Ball joint heads with female thread, Stainless Steel sketch

Article options / Table


NHBronze / Steel lubrication possible
WHBronze-PTFE / Steel self lubricated
WKStainless Steel-PTFE / Stainless Steel self lubricated
Show / Hide columns
d1 H7d2
Left hand
b1 -0,12b2d3d4d5d6l1l2A/Ftw
5M 5M 5L867,718911273691013
6M 6M 6L96,758,92010133040111213
8M 8M 8L12910,42412,5163648131614
10M 10M 10L1410,512,92815194357172013
12M 12M 12L161215,43217,5225066192213
14M 14M 14L1913,516,83620255775222516
16M 16M 16L211519,34222276485222815
18M 18 x 1,5M 18 x 1,5L2316,521,84625317194273215
20M 20 x 1,5M 20 x 1,5L251824,35027,53477102323314
22M 22 x 1,5M 22 x 1,5L282025,854303784111323715
25M 24 x 2M 24 x 2L312229,66033,54294124364215
30M 30 x 2M 30 x 2L372534,8704051110145415117

Build & Price

Bore d1
Thread d2

Selected Part (How to order)

Weight: 0,019 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 compliant: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/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 150 Euro -> 10 % discount
from 250 Euro -> 20 % discount
from 350 Euro -> 30 % discount
All prices in accordance with our price list No. 51, valid from 1 February 2018, plus VAT only valid for Germany.

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