Summary table of chipboard countersunk screws

Ref. VS

Footprint

Notches under the head

Net tilt

Type 17

Double cone

Knurling

Note

2004 (FT) 2008 (FP)

POZI 

40°

X

2204

POZI 

40°

X

PPM sorting, net + wide

than 2004/2008

2031

TORX

40°

X

2036

TORX

X

40°

X

X

Sharp point

2040

TORX

X

40°

X

X

Notches under the head: Self-milling, self-locking.

40° thread: High resistance to tearing.

Type 17: Reduction of wood splitting.

Tapered point: Precise screwing.

Double cone: High breaking strength.

Knurling: Better wood penetration; for clamping 2 pieces of wood together

"Larger thread: Larger shank and outer thread diameters for greater strength.

for better resistance.