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Mating screws, 1/4"

Combination truss head mating screw

Combo truss head

Truss 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 truss head serrated mating screw

One way serrated truss head

Truss 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.

Socket button head mating screw

Socket button head

Button heads are rounded and low profile. Allen (hex socket) drive is a six-sided recess for use with an Allen wrench (hex key).