M4 x 6 METRIC SEMS SCREWS / Phillips / Pan Head / Steel / Yellow Zinc The slotted aluminum sleeve helps

The slotted aluminum sleeve helps to hold fast without loosening or backing out even with internal and external vibrations

Tap-Flex fasteners are designed to offer a replacement option for traditional nut and bolt assemblies

DeWALT SKU-DFM4EMH510-The Crete-Flex anchor is a 410 stainless steel screw anchor for light to medium duty applications in concrete and masonry block base materials

and ICC-ES AC257 for use in pressure treated lumber

Evaluated and qualified by an accredited independent testing laboratory for reliability against brittle failure

M4 x 6 METRIC SEMS SCREWS / Phillips / Pan Head / Steel / Yellow Zinc The slotted aluminum sleeve helps