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2 hole Security Screws are designed for low to medium torque applications. They have 2 holes drilled in to the head that need a unique 2 pin driver to install and remove.

Head Thread Size Length (L) ± 0.6
PAN & CSK M/C Screw M3 6 8 10 12 16 20 25 30 35 N/A N/A N/A N/A
M4 6 8 10 12 16 20 25 30 35 N/A N/A N/A N/A
M5 N/A N/A 10 12 16 20 25 30 35 N/A N/A N/A N/A
M6 N/A N/A N/A 12 16 20 25 30 35 40 N/A N/A N/A
M8 N/A N/A N/A 12 16 20 25 30 35 40 N/A N/A N/A
M10 N/A N/A N/A 12 16 20 25 30 35 40 N/A N/A N/A

Head Thread Size Length (L) ± 0.6
Raised M3.5 12 25 35 40 50 N/A N/A N/A N/A N/A N/A N/A N/A

Head Thread Length (L) ± 0.0236
PAN & CSK Self-Tapping Screw 4 / 2.9mm 3/8” 1/2” 5/8” 3/4” 1” 1 1/4” 1 1/2” N/A N/A N/A
6 / 3.5mm 3/8” 1/2” 5/8” 3/4” 1” 1 1/4” 1 1/2” 2” 35 N/A
8 / 4.2mm 3/8” 1/2” 5/8” 3/4” 1” 1 1/4” 1 1/2” 2” N/A N/A
10 / 4.8mm 3/8” 1/2” 5/8” 3/4” 1” 1 1/4” 1 1/2” 2” 2 1/2” N/A
12 / 5.5mm N/A 1/2” 5/8” 3/4” 1” 1 1/4” 1 1/2” 2” 2 1/2” N/A
14 / 6.3mm N/A N/A 5/8” 3/4” 1” 1 1/4” 1 1/2” 2” 2 1/2” N/A

Materials

Finishes

Carbon Steel Special Order 300 Series Stainless Steel (A2)

Bright Zinc / Trivalent Clear Passivate (Z)

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