Spade Bolt Anchors usually have a machine screw style thread and a flattened spade-like head. The head has drilled hole, which is used as an attachment-point for wire. The anchor is screwed into a pre-threaded hole.
- Steel
- Grade 5
- #4-20
- #6
- #6-18
- #6-32
- #8
- #8-16
- #8-32
- 1/4
- 1/4-20
- 5/16
- 5/16-18
- 3/8
- 3/8-16
- 5/8
- 5/8-11
- M12
Materials.
US/Imperial sizes.
Metric sizes.