RUKO KEB-HSS-Mod.55-51.0mm Gear Hob, Module 5.5, HSS, DIN 8002, Class A

Precision gear cutting demands a tool that holds its edge and profile under load. The RUKO KEB-HSS-Mod.55-51.0mm gear hob is built for exactly that: milling involute spur and helical gears with a module of 5.5 and an outer diameter of 51.0 mm. Manufactured from high-speed steel with a ground profile and bright finish, it delivers consistent tooth geometry and long tool life in industrial gear production.

Who is it for

This gear hob is intended for gear manufacturers, toolrooms, and maintenance workshops that produce or repair gears with a module of 5.5. It suits machinists who need a reliable, right-hand cutting tool that conforms to DIN 8002 and meets Class A tolerance for accurate gear profiles.

Main features

• High-speed steel (HSS) body for durability and heat resistance.
• Ground profile for precise cutting edges and consistent gear tooth form.
• Right-hand cut, 10 flutes, 20° pressure angle, involute gear hob type.
• Arbor type mounting for use on gear hobbing machines.
• Bright finish to reduce friction and improve chip flow.

Specifications

• Material: High-Speed Steel (HSS)
• Gear Module: 5.5
• Outer Diameter: 51.0 mm
• Bore Diameter: 27 mm
• Pressure Angle: 20°
• Number of Flutes: 10
• Cutting Type: Involute Gear Hob
• Standard: DIN 8002
• Cutting Direction: Right-Hand Cut
• Tolerance Class: Class A
• Overall Length: 55 mm
• Surface Treatment: Bright Finish
• Tool Type: Gear Cutting Tool
• Manufacturing Process: Ground Profile
• Shaft Type: Arbor Type

Tips

Always mount the hob on a clean, properly aligned arbor and check runout before cutting. Use appropriate cutting fluid and feed rates for HSS hobs to maximize tool life. For best results, ensure the workpiece material and machine rigidity are suitable for module 5.5 gear cutting.