180×200×40 M14 20°A HSS M2 material black tin coating hob
The 180×200×40 M14 20°A HSS M2 material black TiN coating hob is a high-precision gear cutting tool made for spur and helical gears. Built from premium HSS M2 steel, it provides strong cutting ability, excellent hardness (HRC 63–66), and long service life. The black TiN coating improves wear and heat resistance, ensuring smooth, accurate performance even at high speeds. Ideal for CNC gear hobbing machines, it’s perfect for automotive, gearbox, and precision gear manufacturing applications.
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180×200×40 M14 20°A HSS M2 material black tin coating hob for High-Speed Cutting
The HSS M2 black tin coating hob (180×200×40 M14 20°A) is a high-performance gear cutting tool designed for precision machining of spur gears, helical gears, and automotive transmission components. Made from premium M2 high-speed steel, this hob offers excellent hardness (HRC 63–66), wear resistance, and long tool life.
The black TiN coating enhances surface hardness and heat resistance, ensuring superior cutting performance and stable accuracy even under high-speed or dry-cutting conditions.
This gear hob is ideal for use on CNC gear hobbing machines and is compatible with major brands such as Gleason, Liebherr, and Kashifuji. It delivers consistent results in both small-batch and mass production environments.
Technical Specifications:
| Parameter | Specification | Description / Notes |
| Product Name | 180×200×40 M14 20°A Gear Hob Cutting Tool | Standard single or multi-start gear hob |
| Module (m) | 14 | Defines gear tooth size; for large module gears |
| Material | HSS M2 (W6Mo5Cr4V2Co5)/SKH55/DIN1.3243/HS2-9-1-8) | High-Speed Steel for excellent hardness & wear resistance |
| Pressure Angle (PA) | 20° | Standard involute gear pressure angle for smooth gear meshing |
| Accuracy Grade | Class A | Ensures precise tooth form and dimensional accuracy |
| Finish / Coating | Black Oxide | Protects against corrosion, reduces friction & glare |
| Outer Diameter (OD) | 180 | Depends on module and cutting design |
| Overall Length (L) | 200 | Size suitable for module 12 hobs |
| Bore Diameter | 40 | Fits standard hob arbors |
| Number of Starts | Single / Multi-start (as specified) | Multi-starts allow faster cutting; single for precision |
| Type of Gear Cut | Spur / Helical Gear | Customizable per order |
| Direction of Cut | Right-hand (standard) / Left-hand (optional) | Based on machine spindle orientation |
| Profile Standard | DIN 3972 / ISO 53 | Standard involute profile with 20° pressure angle |
| Application | Gear Hobbing Machines | For cutting steel, cast iron, or alloy gears |
| Hardness (after heat treatment) | HRC 63–66 | Ensures long tool life and cutting edge stability |
| Surface Treatment | Steam Oxidized / Blackened | Improves chip evacuation and oxidation resistance |
| Coating Options (optional) | TiN, TiAlN, AlCrN | For extended tool life and high-speed applications |
| Country of Manufacture | China | Common production origins |
| Typical Industries | Automotive gear manufacturing,Industrial gearboxes and transmission parts,Machine tool components,Precision engineering industries | Used where precision gears are required |
Key Features:
- Made from HSS M2 for toughness and wear resistance.
- 20° pressure angle — the most common standard for gear systems.
- Black oxide coating for corrosion protection and improved tool life.
- Class A accuracy ensures precise, smooth, and quiet gear operation.
- Available in right-hand or left-hand cutting directions.
- Compatible with manual, semi-automatic, and CNC gear hobbing machines.
- Suitable for roughing, finishing, and pre-grinding hobbing applications.
Ordering Information:
Please specify when ordering:
- Module/DP/CP (e.g., M12)
- Pressure Angle (e.g., 20°, 30°)
- Coating (TIN/TIAIN/ALCRONA/ALTENSA)
- Accuracy Grade (A, AA, AA+, or AAA)
Accuracy Grade Standards: GB6084/DIN3968/ANSI B94.7/JIS B 4354
- Gear Type (Spur/Helical)
- Cutting Direction (Right-Handed or Left-Handed)
- Bore and OD Diameter, Total Length
- Number of Teeth
- Hob Material: M2/M35/M42/ASP2052/S390/MC90/P6M5/Р6М5К5/Р10К5Ф5
- Carbide
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56 E. Fieldstone Street
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