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Clutch Head Security Screws are a one-way security screws that are installed with the use of a standard flat bladed screwdriver.

Head Thread Size Length (L) ± 0.0236
Button & CSK Self Tapping Screw 6 / 3.5mm 3/8” 1/2” 5/8” 3/4” 1” 1 1/4” 1 1/2” 2” 35 N/A 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 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 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 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 N/A

Materials Finishes

Carbon Steel Special Order

300 Series Stainless Steel (A2)

Bright Zinc / Trivalent Clear Passivate (Z)

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