The purpose of anchor bolts is to fasten structural components to concrete. Anchor bolts are frequently utilized in our sector to fasten steel to concrete. The opposite end is threaded to attach structural support while the first end is buried in the concrete.

Anchor bolts come in four different shapes: L, double end rods with plates, headed, and swedge. Each variety has its own applications, dimensions, and benefits. Let’s discuss the many types of anchor bolts and how they are frequently utilized in structural applications.

L-Shaped Anchor Bolts

Applications for L-shaped anchor bolts include light poles, sign structures, heavy machinery, and machining. In the following standards: A307, F1554-36, F1554-55, F1554-105, A193 B7, 304 stainless, 316 stainless, and any grade the customer may desire, Birmingham Fastener distributes L-shaped bolts in any length and diameter needed.

Double End Rods with Plate

These anchors are double-ended rods with an additional plate washer on one end. The plate can be tack welded to a nut set into concrete or it can be welded to the anchor bolt itself. The main applications for plate bolts include the construction of columns for buildings, road signs, and other uses. Straight plate bolts in the following specifications are distributed by Birmingham Fastener: A307, F1554-36, F1554-55, F1554-105, A193 B7, 304 stainless, 316 stainless, and any grade the customer may desire. Bolts range in diameter from 3/8″ to 4″ and can be any length.

Headed Anchor Bolts

Headed anchor bolts, in contrast to typical anchor bolts, feature a forged head on the end that is not threaded. Typically, it has a square, heavy square, or hex head. To secure various projects, such as structural columns, bridge railings, and light poles, the head is implanted into the concrete. At Birmingham Fastener, we offer straight with headed anchor bolts in the following standards: A307, F1554-36, F1554-55, F1554-105, A193 B7, 304 stainless, 316 stainless, and any grade the customer may desire. These anchor bolts are available in 1/2″ to 2″ diameter and any length needed.

Swedge Bolts

Swedge bolts are made of round steel bars that have been “swedged” on one end and threaded on the other. Swedged describes an arrangement in which one end has several divots into which concrete can flow. Swedge bolts, which are used to join girders and piers, are entirely made in the United States. Swedge bolts typically have a diameter of 5/8″ to 4″ and are hot-dipped galvanized. They come in different materials as well, such stainless steel.

Anchor Bolt Length Chart

Size	Length	Hook	Thread Length
3/8	6	1	1/2
3/8	8	1	1/2
3/8	10	1	1/2
3/8	12	1	1/2
1/2	6	1	2
1/2	8	1	2
1/2	10	1	2
1/2	12	1	2
1/2	14	1	2
1/2	16	1	2
1/2	18	1	2
1/2	20	1	2
1/2	24	1	2
5/8	6	2	4
5/8	8	2	4
5/8	10	2	4
5/8	12	2	4
5/8	14	2	4
5/8	18	2	4
5/8	20	2	4
5/8	24	2	4
3/4	6	3	4
3/4	10	3	4
3/4	12	3	4
3/4	14	3	4
3/4	16	3	4
3/4	18	3	4
3/4	24	3	4
3/4	30	3	4
3/4	36	3	4
7/8	12	3	5
7/8	14	3	5
7/8	18	3	5
7/8	24	3	5
1	14	3	6
1	15	3	6
1	16	3	6
1	18	3	6
1	20	3	6
1	24	3	6
1	30	3	6
1	36	3	6
1	36	4	6
1 1/4	18	3	6
1 1/4	24	3	6

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