The GRANIT parallel key (DIN 6885) is a precision-machined mechanical component used to secure torque transmission between a shaft and a hub. Though small, it is essential for reliable operation in many machines.
Key Specifications
- Brand: GRANIT
- Standard: DIN 6885
- Dimensions: 8 × 7 × 30 mm (W × H × L)
- Material: Steel (C45 + C)
- Weight: 12 g
- Box Quantity: 50 pcs
Build & Material
Manufactured from C45 steel, this key offers:
- High strength and wear resistance
- Good load-bearing capacity
- Reliable performance in mechanical systems
The rounded ends and precise dimensions ensure a tight and accurate fit in keyways.
Performance
- Enables secure torque transfer between the shaft and the hub
- Prevents slipping under load
- Maintains alignment of rotating components
When correctly installed, it ensures efficient and stable power transmission.
Applications
- Gearboxes and transmissions
- Agricultural machinery
- Industrial equipment
- Motors and shafts
Ease of Use
- Standardized size for easy replacement
- Fits standard DIN keyways
- Simple installation (press-fit or slide-in, depending on design)
Value for Money
Sold in bulk, this key offers excellent cost efficiency for workshops and industrial use, especially where frequent replacements are needed.
Pros
- Durable C45 steel construction
- Standard DIN 6885 compatibility
- Reliable torque transmission
- Precise fit and finish
Cons
- Requires correct sizing and alignment
- Not suitable for oversized loads beyond specification
Final Verdict
The GRANIT 8×7×30 mm parallel key is a reliable and essential machine element, ideal for ensuring secure shaft connections. A simple but critical component for maintaining efficient mechanical systems.
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