Kreg KPHJ230 Manuel Du Propriétaire page 7

If you cannot use a clamp, secure the jig with screws in the screw recesses.
Tip
Recommended Hole Spacing Configurations
Narrow Pieces
1-1/2" – 2" 3-1/2"
(38 mm – 51 mm) (89 mm)
Wide Pieces
Place pocket holes 5/8" to 1-1/2 in. from edge, then every 6-8 in.
5/8" – 1-1/2"
6" – 8"
6" – 8"
(15 mm – 38 cm)
(15 cm – 20 cm)
(15 cm – 20 cm)
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