Drop-in anchors for anchoring/fastening to solid concrete base.

Purchase Drop-in Anchors Online

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Drop-In Anchor for Concrete

Drop-in Anchors

Drop-in anchors are used in medium to heavy-duty applications in solid concrete base material. The drop-in anchor is a flush, female anchor that requires a setting tool that is used to drive the internal plug into the anchor, causing the anchor to expand.

Commonly Called

Drop-in, dropin, female anchor, hdi, Hilti drop-in anchor, concrete drop in anchor, sup-r-drop, HDI anchor, lip drop-in anchor, HDI-L anchor, HDI-P anchor, thunderdrop, multi-set, concrete anchor, mini drop-in, coil thread drop-in.

Description

Purchase Drop-in Anchors OnlineA Drop-In anchor consists of a zinc plated steel tubular expansion shield and a solid, cone-shaped expander plug. The expander plug is case hardened and tempered to prevent galling and binding during expansion. The shield has four equally spaced slots for a portion of its length, the bottom part may be knurled. The shield also has a smooth, flangeless top that allows either flush or countersunk installation. the bottom lip of the shield is tapered to allow maximum depth and holding power.

Drop-In Anchor Features

Ideal for overhead applications, because they require relatively shallow embedment and eliminates the use of couple nuts when threaded rod used to drop from ceiling.

Highly dependable, as anchor is completely set and assured when the lip of the setting tool meets the lip of the anchor.

  • Fast, easy installation
  • Pre assembled plug
  • Excellent holding values
  • Setting tool required
  • Internal threads accepts standard UNC bolts or threaded rod
  • Slotted body is precision-matched to tapered internal plug for uniform expansion.
  • Available with Richmond Threads for rebar reinforcement

Drop-in Anchors Available in Different Types of Steel

  • Zinc plated carbon steel
  • 304 Stainless Steel
  • 316 Stainless Steel

Drop-in Anchor Sizes

Purchase Drop-in Anchors OnlineDrop-in anchors come in five sizes, 1/4”,3/8”,1/2”,5/8”,3/4”. The size of the anchor reflects the diameter of threaded rod or bolt that can be inserted into anchor, thus the hole to be drilled is larger than anchor size (See technical information below).

How a Drop-in Anchor Works

The expansion of the anchor wall by the internal tapered plug.

Listings for Drop-in Anchor

Meets G.S.A Spec. FF-S-325, Group VIII, Type 1

Application Information for Drop-in Anchors

  • Should be only used in a dead load situation
  • Hole depth must be equal to anchor length
  • Do not over Torque

Applications for Drop-in Anchors

  • Overhead hangers with threaded rod
  • Handrails
  • Shelving
  • Light fixtures
  • Machinery