KG worm W1SR2+B-8 module 1.0 pressure angle 20 degrees (straight teeth) S45C precision rolled finish W1SR2+B-8 1 pc

Catalog number: W1SR2+B-8 Features: * Worm is precision rolled. * Module 0.5, 0.8, 1.0, pressure angle 20° (straight teeth). * Threaded. * JIS Class 4. Specifications: ● Module: 1 ● Hole diameter (mm): φ8 ● Shape: B ● Reference circle diameter (mm): φ16.0 ● Tooth width (mm): 16.5 ● Number of grooves: 2 ● Tooth tip circle diameter (mm): φ18 ● Total length (mm): 32 ● Hub length (mm): 7 ● Hub outer diameter (mm): φ15.85 ● Lead angle: 7°11′ ● Worm twist direction and number of grooves (mm): R2 ● Twist direction: R ● Worm twist direction and number of grooves: R2 ● Tooth tip circle diameter da (mm): 12 ● Hub outer diameter dh (mm): 10.30 ● Hub length lhR (mm): 6 ● Lead angle r: 4°24' Material/Finish: ● Carbon steel for mechanical construction (S45C)