Hole: Shade

Perforation mark: S-S (w1*w2)

Layout of the hole according to the customer’s choice.

Key hole

Perforation mark: S-KS (w1-w2-l)

Layout of the hole according to the customer’s choice.

Hole: Distancer DR 45-16 (conical drawn)

Perforation mark: S-DR (w1-w2)

Layout of the hole according to the customer’s choice.

Rasp perforation

Perforation mark: S-RC (w1)

Layout of the hole according to the customer’s choice.

Key hole in alternative row (CC)

Perforation mark: K (w*l) Z(t1*t2)

Layout of the hole according to the customer’s choice.

Key hole in parallel row (KU)

Perforation mark: K (w*l) U(t1*t2)

Layout of the hole according to the customer’s choice.

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Special holes (pdf).

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