J. W. Winco Inc. announces it has expanded its offerings to include GN 5337.3 series plastic Safety Lobed Knobs with a Steel Tapped Insert. The tapped insert, screw and spring are made of steel in a black oxide finish, and the molded-in inlay is zinc die-cast.
- Available in metric and inch sizes
- RoHS compliant
- Features special glass fiber-reinforced technopolymer plastic with black matte finish construction
- Temperature resistant to 130 C (355 F)
- For applications where any unintended loosening of knob may lead to accidents
- Not engaged with tapped insert in non-operative mode so it may be turned easily
- Engages with insert for tightened or loosened after axial pushing of knob
- After release, serrations disengage by means of a spring
- Provides aesthetic appearance and higher torque capabilities via five lobe design
- Resistant to solvents, oils, grease, and other chemical agents
- Versions with stainless steel inserts or with colored cover caps are available upon request
- Other modifications, such as cross holes, set screw holes, and threaded studs, are also available
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