We stock blanks and can cut and thread to any length you'd like from 260mm to 300mm. Our cutting and threading machine is the best in the world, no exaggeration.
Just make a note on your specific size in the order comments and we'll get them out to you. Shipping may calculate something ridiculous....if so, we refund folks for shipping overages. Likewise, if shipping is more than you've already paid we'd send you a separate invoice for the difference.