Dynabolt is the brand name for the sleeve anchor manufactured by ITW/Red Head. The Dynabolt is a sleeve-type anchor that is specified for anchoring into concrete, hollow concrete block, grout-filled concrete block and brick base materials. Other sleeve anchors are also available and work under the same principles and can be purchased online.
The Dynabolt sleeve anchor is made up of four different parts- the split expansion sleeve, a threaded stud bolt or body, nut and washer. Dynabolts come pre-assembled and are made from either zinc plated carbon steel or 304 stainless steel. A number of different head styles are available. The 1/4" diameter comes in an acorn, flat or round head. The 3/8" in a hex nut or flat head. The 1/2", 5/8" and 3/4" are only available in the hex nut head.
When drilling a hole in the base material for a Dynabolt sleeve anchor, a carbide tipped bit must be used and it needs to meet ANSI standards B212-15-1994. This will ensure proper hole sizes and holding values. The hole diameter that must be drilled for the sleeve anchor is the same diameter as the sleeve anchor being installed.
The Dynabolt sleeve anchor is a light to heavy duty fastener. These anchors provide full 360-degree contact and reduce base material stress. When using a Dynabolt anchor, no pre-spotting of holes is necessary and the sleeve anchor can be installed through the object being fastened as long as the hole is large enough for the anchor to be inserted through it.
All sleeve anchors work in the same manner and will provide the same basic holding values as a Dynabolt. The main differences between different concrete sleeve anchors are price and availability. If you are going to need sleeve anchors, buy them online as they are less expensive than buying at other brick & mortar stores. All sizes will be in stock online as well. Buying online will save you money.
1. With a hammer drill, drill a hole in the base material using carbide tipped drill bits that meet ANSI standards. Make sure that the bit diameter is equal to the diameter of sleeve anchor being installed. The hole can be drilled to any depth as long as it exceeds the minimum embedment requirements for the anchor being used.
2. The hole must be cleaned of any debris left over from the drilling process. Use a wire brush, compressed air or a vacuum to remove this debris.
3. Insert the sleeve anchor through the fixture and into the hole in the base material until the washer is flush with the material being fastened. Light taps with a hammer may be needed to seat the anchor properly.
4. Using a wrench, expand the anchor by turning the nut or head 2-3 turns.
Red Head Dynabolt Sleeve Anchors can be used in a variety of base materials including concrete, concrete block, and brick. It is important to choose the correct diameter and head style for your unique application. Installing a Dynabolt sleeve anchor can be accomplished in four simple steps. Buy sleeve anchors online for convenience and to save money!
As with any anchoring project, it is important to keep safety in mind and follow instructions carefully. Always remember to wear safety goggles, handle all tools with extra care and follow all technical specifications. This article is meant to serve only as a basic explanation of concrete fasteners. Always refer to manufacturer's instructions or consult a contracting expert during any anchoring project.