your bleed nipples might already be corroded/damaged and hence the spanner not fitting. give them a good going over with a wire brush and spray plenty wd40 on and let it soak in. IIRC i used a 9 for my front brakes and a 10 for the rear. as for the wheel bolts, im not sure on the length but they are M12 - 19mm head. Quote.
The drive factory bolt is a T-50 Torx. The threaded portion/nut is M10 and the unthreaded portion (inside the knuckle) is 11mm with an OAL of ~56mm. Most ball joints come with a replacement bolt that is 13mm hex. Do not try to turn the bolt using the torx recess. Loosen the nut, leave it on a few threads to protect the end, then drive the bolt
MYRw.