Your Audi 100 Avant Engine fixing
Vacuum reservoir bolt.
Type: Hex Head Tap Bolt
Requires a 6.4 x 12.5 x 1.6 washer and M6 x 25.9 x 18 speed nut.
Thread length: 65 mm
Thread diameter: 6 mm
Thread pitch/tpi: N/A
Our thanks to Andy Steeple for this submission.
Whether you are purchasing OEM or off the shelf replacements, please be aware that metal fixings are graded and, for safety, you should talk with the supplier about your specific use.