45 # Steel Blackened Round Rack

Specifications
· Tooth Type: Straight Spur or Helical
· Length: Customizable, 50 mm – 500 mm
· Module: M0.5 – M3
· Hardness: 45 – 55 HRC
· Material: Carbon Steel or Alloy Steel (with blackening treatment)
· Accuracy: JIS 3–4 / ISO & DIN 6–7

Product Description
The 45# steel blackened round rack is made from high-quality carbon or alloy steel and undergoes a blackening treatment to enhance corrosion resistance and surface appearance, while maintaining excellent strength and wear resistance.
It is available in both straight and helical tooth types, with customizable lengths ranging from 50 mm to 500 mm and a module range of M0.5–M3. The tooth surface hardness reaches 45–55 HRC, ensuring precision and durability in linear motion applications.

This product is widely used in automation equipment, CNC machinery, and industrial transmission systems, ideal for applications requiring high precision, smooth motion, and superior wear resistance.