DEWALT Power-Stud+ SD4 Stainless Steel Wedge Expansion Anchor 1/4" x 3-1/4"

The DEWALT Power-Stud®+ SD4 Stainless Steel Wedge Expansion Anchor (7304SD4-PWR) is a heavy-duty, torque-controlled mechanical anchor engineered for reliable fastening in concrete and grouted concrete masonry applications.

Featuring a Type 304 stainless steel anchor body, the Power-Stud+ SD4 combines corrosion-resistant materials with a precision-engineered expansion mechanism to deliver dependable anchoring performance. The expansion clip, hex nut and washer are manufactured using stainless steel components for added durability.

Designed with a knurled mandrel, this wedge expansion anchor provides consistent expansion performance and helps prevent galling during installation and service life. Its fully threaded design allows installation through standard fixture clearance holes, making it suitable for a variety of construction, industrial and structural fastening applications.

The 7304SD4-PWR measures 1/4 inch in diameter and 3-1/4 inches in overall length, with a 2-1/4-inch thread length. The package includes the nut and washer for convenient installation.

Key Features & Benefits:

• Type 304 Stainless Steel Body: Provides corrosion resistance and durability for demanding fastening applications.
• Stainless Steel Expansion Components: Features a Type 316 stainless steel expansion clip and hex nut.
• Torque-Controlled Expansion: Designed for consistent mechanical expansion when installed to manufacturer specifications.
• Knurled Mandrel Design: Helps deliver reliable performance and reduce galling.
• Fully Threaded Design: Allows convenient installation through standard clearance fixture holes.
• Follow-Up Expansion: Anchor design allows additional expansion under tensile loading after setting.
• Easy Size Identification: Length identification code and markings are stamped on the anchor head.
• Nut and Washer Included: Supplied with the necessary anchor hardware.
• Professional-Grade Fastening: Designed for concrete and grouted concrete masonry applications.

Common Applications:

• Structural connections and beam anchorage
• Equipment and machinery anchoring
• Steel angles, brackets and ledgers
• Utility supports and bracing
• Barriers, guards and fencing
• Racking and railing installations
• Construction and industrial fastening

Product Specifications:

• Brand: DEWALT / Powers
• Product Series: Power-Stud®+ SD4
• Model Number: 7304SD4-PWR
• Product Type: Stainless Steel Wedge Expansion Anchor
• Anchor Diameter: 1/4 inch
• Overall Length: 3-1/4 inches
• Thread Length: 2-1/4 inches
• Thread Type: 1/4-20 UNC
• Recommended Drill Bit Diameter: 1/4 inch
• Anchor Body Material: Type 304 Stainless Steel
• Expansion Clip: Type 316 Stainless Steel
• Hex Nut: Type 316 Stainless Steel
• Washer: 300 Series Stainless Steel
• Installation Type: Torque-Controlled Mechanical Expansion
• Package Quantity: 100 Anchors
• Compatible Base Materials: Concrete and grouted concrete masonry

Installation Note: The 1/4-inch Power-Stud+ SD4 size is intended for uncracked concrete applications only. Always follow the manufacturer's installation instructions, embedment requirements and applicable engineering specifications.