GN 421 Hollow Knurled Screws Technopolymer Plastic, with Steel Threaded Stud


Product description


On clamping operations, the partially protruding steel hub of the GN 421 hollow knurled screws prevents chipping of the plastic.


Technopolymer (Polyamide PA)
  • Temperature resistant up to 248 °F (120 °C)
  • Black, shiny finish

Threaded stud
Steel, zinc plated, blue passivated finish

RoHS compliant

Technical drawing

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GN 421 Technopolymer Plastic Hollow Knurled Screws, with Steel Threaded Stud sketch

Part Options / Table

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Dimensions in: Inch (change to Metric)
Length ld2d3d4hk
10 x 320.3750.500.750.380.470.750.540.31
1/4 x 200.500.751.000.470.550.940.650.37
5/16 x 180.500.751.000.550.631.180.770.43
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Dimensions in: Inch | Metric
Length ld2d3d4hk
M 40.390.590.791.18-0.350.470.750.550.31
M 50.390.590.790.98-0.350.470.750.550.31
M 60.390.630.790.981.180.470.550.940.650.37
M 80.630.790.981.181.570.550.631.180.770.43
M 100.790.981.181.57-0.630.711.420.890.49

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Total US Dollars (net)
In Stock: 8041
In Stock
Please note our quantity discounts (US Dollars).
≥ 500$0.82
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: 0.008 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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Need Help?

Our service team is available from Monday to Friday between 7:30 AM and 5:00 PM Central Time: 800-877-8351

Special Requests | Contact our sales team

GN 421-M5-10GN 421-M4-30GN 421-M4-10GN 421-M10-40GN 421-M8-40GN 421-M4-20GN 421-M6-25GN 421-M5-20GN 421-M10-30GN 421-10X32-0,75GN 421-M8-16GN 421-5/16X18-0,75GN 421-1/4X20-1,00GN 421-1/4X20-0,50GN 421-M5-25GN 421-M8-20GN 421-M6-16GN 421-M4-15GN 421-M6-10GN 421-M8-30GN 421-10X32-0,50GN 421-M5-15GN 421-M10-25GN 421-5/16X18-1,00GN 421-10X32-0,375GN 421-1/4X20-0,75GN 421-M10-20GN 421-M8-25GN 421-M6-30GN 421-5/16X18-0,50GN 421-M6-20

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