L.H.Dottie® Machine Screw Anchor, Lead, 3/8"-16, 50 Pack

Double Expansion Machine Screw Anchor are designed for anchoring into concrete, brick, or block base material. Inserting a machine-threaded bolt into the anchor expands it against the concrete at two points. These anchors are made from Zamac Alloy, a non-rusting material. They are intended to be set flush with the base material and are considered a light to medium-duty fastener. It features Easy Bolt Installation/Removal, Corrosion Resistance, Internally Threaded, Dual Cone Expansion.

Drop-In Anchors are manufactured with an internally threaded, all-steel exterior shell that features an expansion cone insert used to anchor into the concrete. They are intended to be used in concrete materials only and can be used with any head style screw. The screw can easily be removed, loosened, or re-tightened if needed. Common applications include, pipe hanging, overhead anchoring, hanging strut, sprinkler systems and removable anchoring points.

The Flip Toggle Anchor is a single piece, nylon body anchor with a metal tilting head ideal for use in drywall, plaster and hollow wall concrete blocks. It's unique tilting mechanism ensures a trouble-free installation that yields twice the strength of a regular toggle bolt of the same bolt diameter. It features Twice as Strong as Toggle Bolt, Fast and Easy Installation, Suitable for Overhead Applications, One Strap Design, Only Requires 1/2" Hole, Used with Any Bolt Length up to 3-3/4".

Stainless Steel Drop-In Anchors are manufactured with an internally threaded, all-stainless steel exterior shell that features an expansion cone insert used to anchor into the concrete. They are intended to be used in concrete materials only and can be used with any head style screw. The screw can easily be removed, loosened, or re-tightened if needed. Common applications include, pipe hanging, overhead anchoring, hanging strut, sprinkler systems and removable anchoring points. They are available in 18-8 stainless steel and can be manufactured to order in 316 stainless steel.

Concrete Screws are tempered masonry screws designed for long lasting performance and superior holding strength. It is made of Carbon Steel. Due to their unique thread design, they are the ideal fastening solution for light to medium duty applications in concrete, brick, masonry block and wood base materials. They are manufactured with a gimlet point that taps it's own threads while drilling into the base material. Common applications for this fastener include the attachment of electrical boxes, light fixtures, and masonry base materials.