My CENS
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SELF DRILLING SCREW
PURPOSE: USED ON IRON/STEEL PLATE.
ROLLING SCREW
PURPOSE: USED ON THIN IRON/STEEL PLATE.
Tapping Screw-Concrete Screw
Head Type-6 Lobe / Slot
Special Head-Binding Head
NIBS/ Serration-4 NIBS
Thread Type-FLat Twinfast Lead
Thread Die Style-
Special Screw
