Our expansion bolts for water drilling machines are for securing your equipment. These wedge anchors are designed to provide a strong hold in concrete, ensuring stability during use. To install, simply drill a hole, insert the expansion bolt, and tighten it to expand the anchor, keeping your water drill firmly in place. Features -Color:Black -Material:Carbon Steel -Size:16.00X3.50X3.50cm/6.29X1.38X1.38in -Rapid fixation: the wedge anchors for water drilling machines provide quick and firm attachment, enhancing overall work efficiency -durability: constructed from materials, these wedge anchors ensure durability and reliable performance -Easy to install: with a simple installation process, these wedge anchors can be set up quickly and easily, saving time and effort -size: these wedge anchors are suitable for water drilling machine -Versatile use: for home improvement, construction sites, and more, these wedge anchors meet a wide array of application needs Package list: 1 x expansion screw