Illustrative drawing. Actual product is confirmed to your specification at quotation.
Industrial Fasteners
Key Stock
Key stock is bright drawn steel bar in square and rectangular sections, supplied in lengths and cut by the user to make keys. Use the section that matches the shaft diameter.
- Bright drawn bar
- Square and rectangular sections
- Cut to length by user
Specifications
- Material
- C45 / EN8 steelStainless steel A2 / A4
- Grade / property class
- Key steel
- Thread
- Not threaded
- Finish / coating
- Bright drawnZinc plated
- Size range
- Up to M6M8–M12M14–M24M27–M48
- Standards
- DIN 6880 (steel for keys)DIN 6885 / ISO 773 (section sizes)
Exact dimensions, lengths and availability are confirmed at quotation.
Applications
- Maintenance workshops and stores
- Shaft repair and re-keying
- Prototype and one-off machines
- Gearbox and coupling repairs
- OEM stock lengths
Technical reference
Parallel key size by shaft diameter (DIN 6885 / ISO 773)
| Shaft diameter (mm) | Key b × h (mm) |
|---|---|
| 6 – 8 | 2 × 2 |
| 8 – 10 | 3 × 3 |
| 10 – 12 | 4 × 4 |
| 12 – 17 | 5 × 5 |
| 17 – 22 | 6 × 6 |
| 22 – 30 | 8 × 7 |
| 30 – 38 | 10 × 8 |
| 38 – 44 | 12 × 8 |
| 44 – 50 | 14 × 9 |
| 50 – 58 | 16 × 10 |
| 58 – 65 | 18 × 11 |
| 65 – 75 | 20 × 12 |
| 75 – 85 | 22 × 14 |
| 85 – 95 | 25 × 14 |
Key width b × height h in mm for each shaft diameter range. Confirm keyway depth against the standard for your application.
Related and complementary fasteners
Request a quote for Key Stock
Give us the size, grade, finish and quantity. We reply within one business day.
Common questions
- Which sizes and grades of key stock do you supply?
- We supply key stock in Up to M6, M8–M12, M14–M24, M27–M48 size bands and grades/classes including Key steel. Exact availability, dimensions and lead time are confirmed at quotation.
- Which standards do key stock follow?
- Common standards are DIN 6880 (steel for keys), DIN 6885 / ISO 773 (section sizes). Tell us the standard you need and we will quote to it.
- Can you supply in bulk or with test certificates?
- Yes. We quote for loose lots and scheduled bulk supply across India, and can share manufacturer test certificates where available. Confirm the requirement when you request a quote.
Need a quote on bulk or custom industrial supply?
Share your specifications and quantities — our technical team will respond with pricing and lead time within one business day.