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DIN319 Ball Knob, Plastic, Press On Type
Type L - With Tolerance Ring
Type M - With Taper
Catalogue Technical Specification
2D/3D Cad Files
DIN 319 Ball Knob, Plastic, Press On Type
Ball knobs DIN 319 type L and M are used on shafts without a thread. They have a comfortable, modern design, ideal for use on crank handles, handwheels & levers.
During mounting, gentle blows with a soft hammer are sufficient to drive the knob into place, the shaft end should be slightly rounded or chamfered (30°).
Before the assembly of type L knobs the tolerance ring is to be inserted into the drilling. When assembling, ensure that the button is perpendicular and / or axially parallel to prevent breakage of the knob.
Type M ball knobs are a cheaper option, however, the pulling off force is less predictable.
Type L - Plastic KU Duroplast (Phenolic PF), black, shiny finish. Tolerance ring - spring steel
Type M - Plastic KT Technopolymer (Polyamide PA), shock resistant, black, matt finish