RS PRO Worm Gear. Do you need high-quality worm gears, then consider the RS PRO 0.8 and 1-pitch module worm gears. The worm gears are metric and used to transfer rotational motion between two perpendicular shafts. Our worm gears are a carbon steel grade with a black oxide finish and consist of a threaded shaft called the worm which meshes with a toothed wheel called the worm wheel or worm gear. Features and Benefits. ;ul> ;li>Metric worms ;/li> ;li>All worms supplied with black oxide finish ;/li> ;li>Supplied with a M4 G/S fitted (5mm from one end) ;/li> ;/ul>. Specification. ;ul> ;li>Type D ;/li> ;li>Material: carbon steel grade ;/li> ;li>Single (1R) ; Double (2R) Start - Right Hand ;/li> ;li>20 ° p.a. ;/li> ;li>Bore tolerance H7 ;/li> ;li>Pitch Module: 0.8 or 1 ;/li> ;/ul>. RS PRO Worm Gear Variants – Available Separately. ;ul> ;li>Bronze, Steel, Module 0.8, RS stock no: ; 521-6812 521-6812 ;/li> ;li>Bronze, Steel, Module 1.0, RS stock no: ; 521-6907 521-6907 ;/li> ;li>Steel, Module 0.8, RS stock no: ; 521-8559 521-8559 ;/li> ;li>Steel, Module 1.0, RS stock no: ; 521-6890 521-6890 ;/li> ;/ul>. Applications. Metric worm gears, commonly used in machinery and equipment where high reduction ratios are required. The gear system offers high precision and efficiency due to the large contact area between the worm and worm wheel. However, it also generates a significant amount of heat and requires proper lubrication to operate smoothly. More information:  | | Module: | 1 | Material: | Steel | Pitch Diameter: | 16mm | Number of Starts: | 1 | Gear Direction: | RH | Overall Length: | 32mm | Overall Diameter: | 18mm | Pressure Angle: | 20° |
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