We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
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Get it by Monday, Dec 30
£19.99 Flat Shipping + VAT £19.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates
Payment Methods
Delivery Partners
Step 1 Add the items into your cart or submit a Purchase order
Step 2 Checkout, select NET30 payment (provide company registration and VAT number)
Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days
Step 4 Make payment via BACS to our factoring partner,
| Item | Countersunk Washer |
| Finish | Black Oxide |
| Fits Bolt Sizes | M4 |
| Inside Dia. | 4.3mm |
| Material | Steel |
| Outside Dia. | 20 mm |
| Rockwell Hardness | B84 |
| Thickness | 3mm |
| Thickness Tolerance | +/-0.3mm |
| Ship weight (kg) | 0.03 |
| Ship height (cm) | 0.76 |
| Ship length (cm) | 7.62 |
| Ship width (cm) | 1.78 |
| HS code | 7318220000 |
| Country of Origin | US |
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
Trade pricing is available for 
Order Value should be £500+