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Power-Stud Wedge Expansion Anchor – Stainless Steel

Wednesday, June 1, 2011
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Types of Power-Stud® Wedge Expansion Anchors - Stainless Steel

The Power-Stud® comes in two different grades of stainless steel designated as 304 stainless steel and 316 stainless steel. The type of stainless steel used for any particular applications is determined by a specification or personal preference. The 316 stainless steel has better rust resistance than the 304 stainless steel and is usually used in atmospheres that are caustic, such as a swimming pool.

Diameter

Stainless steel Power-Stud® are available in diameters ranging from 1/4” to 1-1/4”. Power-Stud® made from stainless steel wedge anchors are available in 8 different diameters of 1/4”, 3/8”, 1/2”, 5/8”, 3/4”, 7/8”, 1” and 1-1/4” (See chart below). The diameter of Power-Stud® to use for any particular application depends on a number of different factors, such as holding strength required, the size of the hole in the material being fastened, etc.

Length

Each diameter of Power-Stud® wedge anchors comes in a number of different lengths to be used in applications that require a different thickness of the material being fastened and different embedment depths. (See chart below)

Thread Length

The Power-Stud® is a fully threaded wedge anchor because the anchor body is threaded for most of its length. This allows for different embedment depths without using spacers and a wide range of material thickness to be fastened. Each diameter of wedge-all wedge anchors comes in a number of different lengths to be used in applications that require different thicknesses of material being fastened and different embedment depths. (See chart below)

304 Stainless Steel

Power-Stud®Power-Stud® 304Bit Diameter
Diameter x Length Stainless Steel Zinc Plated Part # Thread Length
1/4” x 1-3/4” 7300 3/4”
1/4” x 2-1/4” 7302 1-1/4”
1/4” x 3-1/4” 7304 2-1/4”
3/8” x 2-1/4” 7310 1-1/4”
3/8” x 2-3/4” 7312 1-5/8”
3/8” x 3” 7313 1-7/8”
3/8” x 3-1/2” 7314 2-3/8”
3/8” x 3-3/4” 7315 2-5/8”
3/8” x 5” 7316 3-7/8”
1/2” x 2-3/4” 7320 1-3/8”
1/2” x 3-3/4” 7322 2-3/8”
1/2” x 4-1/2” 7323 3-1/8”
1/2” x 5-1/2” 7324 4-1/8”
1/2” x 7” 7326 5-5/8”
5/8” x 3-1/2” 7330 2”
5/8” x 4-1/2” 7332 3”
5/8” x 5” 7333 3-1/2”
5/8” x 6” 7334 4-1/2”
5/8” x 7” 7336 5-1/2”
5/8” x 8-1/2” 7338 7”
3/4” x 4-1/4” 7340 2-3/8”
3/4” x 4-3/4” 7341 2-7/8”
3/4” x 5-1/2" 7342 3-5/8”
3/4” x 6-1/4” 7344 4-3/8”
3/4” x 7 7346 5-1/8”
3/4” x 8-1/2” 7348 6-5/8”
3/4” x 10” 7349 8-1/8”
7/8” x 8” 7352 4-3/4”
1” x 6” 7361 2-3/8”
1” x 9” 7363 5-3/8”
1” x 12” 7365 8-3/8”
1-1/4” x 12” 7375 7-3/4”

316 Stainless Steel

Power-Stud®Power-Stud® 304Bit Diameter
Diameter x Length Stainless Steel Zinc Plated Part # Thread Length
1/4” x 1-3/4” 7600 3/4”
1/4” x 2-1/4” 7602 1-1/4”
1/4” x 3-1/4” 7604 2-1/4”
3/8” x 2-1/4” 7610 1-1/4”
3/8” x 2-3/4” 7612 1-5/8”
3/8” x 3” 7613 1-7/8”
3/8” x 3-1/2” 7614 2-3/8”
3/8” x 3-3/4” 7615 2-5/8”
3/8” x 5” 7616 3-7/8”
1/2” x 2-3/4” 7620 1-3/8”
1/2” x 3-3/4” 7622 2-3/8”
1/2” x 4-1/2” 7623 3-1/8”
1/2” x 5-1/2” 7624 4-1/8”
1/2” x 7” 7626 5-5/8”
5/8” x 3-1/2” 7630 2”
5/8” x 4-1/2” 7632 3”
5/8” x 5” 7633 3-1/2”
5/8” x 6” 7634 4-1/2”
5/8” x 7” 7636 5-1/2”
5/8” x 8-1/2” 7638 7”
3/4” x 4-1/4” 7640 2-3/8”
3/4” x 4-3/4” 7641 2-7/8”
3/4” x 5-1/2" 7642 3-5/8”
3/4” x 6-1/4” 7644 4-3/8”
3/4” x 7 7646 5-1/8”
3/4” x 8-1/2” 7648 6-5/8”

Material Specifications 304 Stainless Steel Power-Stud

Anchor Body – Type 304 Cu (1/4” to 3/4” diameters up to 7” length) and Type 304 (7/8” to 1-1/4” and all lengths over 7”) Nut – 18-8 (300 Series) Stainless Steel Washer – 18-8 (300 Series) Stainless Steel Expansion Clip – Type 304 Stainless Steel

316 Stainless Steel Power-Stud

Anchor Body – Type 316 Stainless Steel Nut – Type 316 Stainless Steel Washer – Type 316 Stainless Steel Expansion Clip – Type 316 Stainless Steel

Hole Diameter

The diameter of the hole in the concrete is equal to the diameter of the Power-Stud® being installed. If a 5/8” diameter Power-Stud® is being installed, then a 5/8” diameter hole must be drilled into the concrete. The hole must be drilled using a hammer drill and a carbide tipped drill bit. The carbide tipped drill bit must meet ANSI standard B212-15-1994.

Hole Depth

The hole must be drilled to a minimum depth to meet the minimum embedment requirements for the diameter of Power-Stud® being installed. The hole should be drilled to a depth to allow for a minimum of 1/2” space between the end of the anchor and the bottom of the hole. This space is the receptacle for any dust and debris that may be created during the installation process to fall, which ensures that it is out of the way and does not affect the installation process.

Length Identification

Each Power-Stud® is stamped on the threaded end with a letter that designates the length of the anchor. This length identification can be used to inspect the Power-Stud® once it is installed in the concrete to ensure proper embedment depth.

Installation

  1. Using the proper diameter bit, drill a hole into the base material to a depth of a least 1/2” or one anchor diameter deeper than the embedment required. The tolerances of the drill bit used must meet the requirements of ANSI Standard B212.15.
  2. Blow the hole clean of dust and other material. Do not expand the anchor prior to installation.
  3. Position the washer on the anchor thread on the nut. Drive the anchor through the fixture into the anchor hole until the nut and washer is firmly seated against the fixture. Be sure the anchor is driven to the required embedment depth.
  4. Tighten the anchor by turning the nut 3 to 5 turns past finger tight or by applying the guide installation torque from the finger tight position.

Installation Specifications- Power-Bolt – Stainless Steel

Power-Stud®Bit DiameterFixture HoleWrenchTorque
Diameter   Clearance Size Value Ft/lbs
1/4” 1/4” 5/16” 7/16” 8
3/8” 3/8” 7/16” 9/16” 28
1/2” 1/2” 9/16” 3/4” 60
5/8” 5/8” 11/16” 15/16” 90
3/4” 3/4” 13/16” 1-1/8” 175
7/8” 7/8” 15/16” 1-5/16” 250
1” 1” 1-1/8” 1-1/2” 300
1-1/4” 1-1/4” 1-3/8” 1-7/8” 450

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Always use personal protective equipmentAs 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.

Article Written By:
Mike Pistorino, Vice-President Operations

 

 

 

 


Concrete Fastening Systems, Inc. has over 40 years of experience selling concrete fasteners. We can ship out one box or a whole pallet of concrete anchors. Our products are of the highest quality... "your satisfaction is guaranteed". We ship all orders the same day the order is received.

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