Mating screws, Truss, 24
Mating screws, Truss, 24 |
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Combo truss headTruss heads are wide with a low profile rounded top. Combination drive can be used with either a flat bladed or Phillips screw driver. |
One way serrated truss headTruss heads are wide with a low profile rounded top. One way drive is installed with a flat bladed screw driver but cannot be removed without special tools. Serrated heads have angled serrations under the head to resist loosening. |