- Even (U) square holes (C)
- Diagonal (M) square holes (C)
- Alternating (Z) square holes (C)
- 90° even (U) round holes (R)
- 60° staggered (T) round holes (R)
- 45° alternating (M) round holes (R)
- Even (U) oblong holes (LR)
- Head staggered (Z) oblong holes (LR)
- Alternating (Z) oblong holes (LR)