Plough Bolts & Pyramid Bolts
Plough Bolts
- Plough Bolts are manufactured to strength grades 4.6 and 8.8. Size range is typically M10 to M20. Imperial sizes also available.
- The manufacturer's identification head marking is not mandatory.
- Countersunk (Csk) head with a square neck under the head, plough bolts and screws are for heavy-duty machinery applications.
- Finish is black oiled after heat treatment and stress relieved.
- Csk Plough bolts are typically available as Csk Square for Iron, with a 90 degree countersunk and of metric threadform. Csk Square for Wood is also available, which has a 120 degree countersunk and imperial threadform.