Knurled thumb screws GN 653.2 are used, for example, to fasten machine covers. The shank d4 provides simple loss prevention. Instead of a through-hole, this requires a second thread d1, potentially with a corresponding clearance bore d5.
Depending on the design and required clamping thickness a1 ... a3 of the cover, there are a number of assembly options as shown.
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: 0.015 lbs
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Beginning February16, 2026, we will implement a price adjustment. Some items will have a price decrease, while others will increase. The adjustment helps ensure our commitment to providing our customers with the best products and services.
We will honor current published prices through February 15, 2026.
Customers with pricing agreements will not be effected until annual pricing is reviewed.
