1. Side view of countersunk slotted screw with adjustable thread length.

2. Countersunk rivet symbol. Use in conjunction with other rivet ends.

3. Carriage bolt (coach bolt): Has a domed or countersunk head, and the shank is topped by a short square section under the head.

4. Top view of countersunk slotted screw. Selection box represents thread diameter.

5. Side view of countersunk posidriv screw with adjustable thread length.

6. Side view of raised countersunk slotted screw with adjustable thread length.

7. Hexagon socket head cap screws with countersunk head screws like.