Monday, February 23, 2009

Safety Lobed Knobs with Steel Tapped Inserts

This is Diane, presenting another new product recently added to our line. Our GN 5337.3 series plastic safety lobed knob is RoHS-compliant and constructed of special glass fiber-reinforced technopolymer plastic with a black matte finish. The tapped insert, screw, and spring are made of steel in a black oxide finish. The molded-in inlay is zinc die-cast.

Available in metric and inch sizes, these knobs are best suited for applications where any unintended loosening of the knob may lead to accidents. In non-operative mode, the lobe knob is not engaged with the tapped insert, so it may be turned easily. Only after axial pushing of the knob does it engage with the insert so that the knob may be tightened or loosened. After release, the serrations disengage by means of a spring. The five lobe design is visually appealing and also gives the operator the means to achieve higher torque.

These knobs are temperature resistant to 130˚C (355˚F). They are resistant to solvents, oils, grease, and other chemical agents. Versions with stainless steel inserts or with colored cover caps are available upon request. Need your knobs modified? We can provide modifications such as cross holes, set screw holes, and threaded studs.

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