Clamping Lobe Knobs
Petal rotary knobs, also called Lobe Knobs, Scallop Knobs or Star-shaped Handles made of polyurethane with metal threads, are superior in durability and wear resistance…
Petal rotary knobs, also called Lobe Knobs, Scallop Knobs or Star-shaped Handles made of polyurethane with metal threads, are superior in durability and wear resistance to analogs made of plastic and rubber. More pleasant to the touch (especially in frost) and safer than metal (polyurethane is a dielectric). Provides a secure fit and comfortable grip. winged clamping


How to Choose a Polymer Lobe Knob?
Internal or external thread.
The handle can have an internal threaded bushing (nut) or an external threaded rod (screw).


Diameter and pitch of the thread
The most common standard M8 and M10 are available, on request it can be made with a different diameter and non-standard thread pitch.


Material of the thread insert
Metal studs and handle bushings are available in galvanized steel or stainless steel for harsher environments. They differ in shade, this is also indicated in the product description.


Form
The handles differ in the number of lobes (rays): they can be 2-lobed (or T-shaped), 3-lobed (triangular), 4-lobed (cruciform), 5-lobed (five-pointed), and so on — up to the number of rays when it is easier to call them round knurled.


Color
All handle options are available in black. Some are also available in green and blue. Handles in other colors are available on request.
