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Sex bolts & Mating screws
Sex bolts resemble machine screws, but with internal threads, and can be used with either specialized mating screws or standard machine screws. Also known as barrel nuts and Chicago bolts.
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Sex bolts & Mating screws
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Sex bolts, also know as Chicago bolts, resemble machine screws, but with internal threads.
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Combo truss head
A wide head with a rounded top with both a slot and an X shaped recess for either a flat bladed or phillips screw driver.
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One way serrated truss head
A wide head with a rounded top and serrations under the head to reduce loosening and a specially designed drive that installs with a normal slotted screw driver but can not be removed without special tools.
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Phillips serrated oversize truss head
An extra wide head with a rounded top and serrations under the head to resist loosening and an X shaped recess for a phillips screw driver.
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Mating screws have an unthreaded shoulder that is the same diameter as the outside of the sex bolts they are used with.
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Combo truss head
A wide head with a rounded top with both a slot and an X shaped recess for either a flat bladed or phillips screw driver.
-
One way serrated truss head
A wide head with a rounded top and serrations under the head to reduce loosening and a specially designed drive that installs with a normal slotted screw driver but can not be removed without special tools.
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