GN 421.12 Hollow Knurled Screws Technopolymer Plastic, with Stainless Steel Threaded Stud, with Swivel Thrust Pad



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


GN 421.12 hollow knurled screws have a ball end whose diameter is smaller than the core diameter of the thread.

The swivel thrust pad is easily clipped on and taken off. Thrust pads are supplied unmounted.

In clamping applications, the partially protruding stainless steel hub of the knob prevents chipping of the plastic.


Hollow knurled screw GN 421
Technopolymer (Polyamide PA)
Black, shiny finish

Threaded stud
Stainless steel AISI 303

Thrust pad
Technopolymer (Polyacetal POM)
  • Temperature resistant up to 176 °F (80 °C)
  • Black, matte finish

RoHS compliant

Technical drawing

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GN 421.12 Technopolymer Plastic Hollow Knurled Screws, with Stainless Steel Threaded Stud, with Swivel Thrust Pad sketch

Part Options / Table

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Dimensions in: Inch | Metric
l1d2d3d4d5d6 +0.002hkl2l3l4
M 60.981.381.770.590.940.470.550.180.650.370.200.140.30
M 81.181.571.970.711.180.550.630.240.770.430.240.170.36
M 81.181.571.970.831.180.550.630.240.770.430.240.200.39
M 81.181.571.970.981.180.550.630.240.770.430.240.220.41
M 81.181.571.971.261.180.550.630.240.770.430.240.240.43
M 81.181.571.971.571.180.550.630.240.770.430.240.310.51
M 101.381.772.170.831.420.630.710.310.890.490.290.170.39
M 101.381.772.170.981.420.630.710.310.890.490.290.180.41
M 101.381.772.171.261.420.630.710.310.890.490.290.200.43
M 101.381.772.171.571.420.630.710.310.890.490.290.280.51

Build & Price

3D Product Configurator
Thread d1
Length l1
Thrust pad diameter d2

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Total US Dollars (net)
In stock: 0
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Please note our quantity discounts (US Dollars).
≥ 500$2.18
Prop 65: Not compliant
Cancer and Reproductive Harm -
RoHS: Compliant
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)).
Weight: 0.022 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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