Back to Concrete Sleeve Anchor
Technical Information:
The Sleeve Anchor is constructed of high quality steel parts. Each part is zinc plated and assembled into a complete ready-to-use anchor. The anchor consists of a threaded stud with an outwardly flared cone-shaped end. A tubular expander sleeve is assembled over the stud and butted
against the small diameter of the cone. A washer and hex nut are then assembled on the stud to complete the anchor. The anchor works on a true expansion principle: Tightening of the nut pulls the cone-shaped stud end into the expander sleeve, wedging it outward and locking the anchor into
the base material.
Concrete Sleeve Anchor - Approvals:
Listed by Underwriters Laboratories (UL), International Conference of Building Officials (ICBO), Board of Standards and Appeals (BSA),
City of L.A., Meets or exceeds U.S. Government G.S.A.
Concrete Sleeve Anchor - Applications:
Medium duty into concrete, block and brick. Installation: (1) Drill hole through mounting holes in fixture or directly through material to be fastened and into the base material, using a carbide bit conforming to ANSI B94, 12-77 with the same size bit as anchor diameter. (2) Clean hole with wire brush. (3) Make sure nut is flush with the top threaded part of anchor. Insert anchor assembly through mounting holes in fixture
and into the base material. Push anchor assembly until washer is snug against the fixture. (4) Turn nut by hand until snugged up. Tighten the nut with a wrench (use a screwdriver for flat/round heads), approximately three or four full turns or until anchor is tightly secured to the base material.
Concrete Sleeve Anchor - Anchor Length:
The length of an anchor should equal minimum embedment, plus fixture, plus nut and washer. The Sleeve anchor requires no maximum hole depth. The depth of the hole in the base material should be at least the length of the sleeve anchor minus the thickness of the material being
fastened. This will provide some extra depth to accommodate a minor amount of concrete cuttings which may not be able to be cleaned out of hole.
Concrete Sleeve Anchor - Anchor Spacing:
The forces on a Sleeve Anchor are transferred to the material that it is installed in. If the anchors are installed too close together, it can cause an interaction of the forces, thus reducing the holding power of the anchor. As a rule of thumb, the expansion anchor industry has
established a minimum standard of ten (10) anchor diameters for spacing between anchors and five (5) anchor diameters from an unsupported edge. When vibration or sudden impact are part of the load conditions, the spacing should be increased.
Concrete Sleeve Anchor - Technical Data
| Size |
Bolt Dia. |
Hole Size |
Head Style |
Min. Embed |
Pull-Out |
Shear |
| 1/4" |
3/16" |
1/4" |
Acorn |
1/2" |
500 lb. |
952 lb. |
| 5/16" |
1/4" |
5/16" |
Hex |
1" |
2522 lb. |
1675 lb. |
| 3/8" |
5/16" |
3/8" |
Hex |
1-1/4" |
2314 lb. |
3793 lb. |
| 1/2" |
3/8" |
1/2" |
Hex |
1-1/2" |
3008 lb. |
5344 lb. |
| 5/8", |
1/2" |
5/8" |
Hex |
2" |
3404 lb. |
5625 lb. |
| 3/4" |
5/8" |
3/4" |
Hex |
3-1/2" |
8433 lb. |
9413 lb. |
| 1/4" |
3/16" |
1/4" |
Flat |
1" |
1364 lb. |
952 lb. |
| 5/16" |
1/4" |
5/16" |
Flat |
1" |
2522 lb. |
1675 lb. |
| 3/8" |
5/16" |
3/8" |
Flat |
1-1/4" |
2314 lb. |
3793 lb. |
Values shown are average ultimate values and are offered only as a guide and are not guaranteed. A safety factor of 4:1 or 25% is generally accepted as a safe working load. Reference should be made in applicable codes for specific working ratio. Minimum embedment for satisfactory anchor
performance is 4-1/2 bolt diameters. Deeper embedments will yield higher tension and shear capacity.
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