Hex head self-tapping screw with dummy washer
- Class:
- C15 casehardened
- Pitch:
- Family:
- 873F0
- UNI:
- 8117
- DIN:
- 7504-K
- ISO:
- 15480
- The three different sets of rules are not identical. In practice, the differences generally allow for either use in most cases. The table refers to DIN which is the one mainly distributed by Berardi.