Stainless Steel Expansion Anchor Bolt for Curtain Wall & Structural Glazing

Stainless Steel Expansion Anchor Bolt

The stainless steel expansion anchor bolt is a heavy-duty fixing fastener used to anchor curtain wall hardware, brackets and structural glazing components into concrete or steel substrates. Its expansion-sleeve design spreads clamping force into the base material as the nut is tightened, delivering a secure, vibration-resistant fixing for facade and structural projects.

Each anchor is supplied complete with a hex nut, flat washer and spring washer, so the assembly can be installed on site with standard tools. The same body style suits both through-fixing and stand-off fixing details, making this anchor a practical stock item for curtain wall contractors, glazing subcontractors and general building fixers.

Key Features

• Material: SS304 / SS316 stainless steel for corrosion resistance
• Finish: Bright, zinc-plated or black surface options
• Design: Expansion sleeve with hex nut, flat & spring washers
• Use: For concrete and steel fixing applications
• Quality: Material test certificates available on request; 100% inspected before shipment

Specifications

• Material options: SS304 / SS316 stainless steel
• Surface finish: Bright, zinc-plated or black
• Supplied kit: Expansion sleeve, hex nut, flat washer and spring washer
• Substrate: Suitable for concrete and steel fixing

Installation & Usage

The anchor is inserted into a drilled hole in the concrete or steel substrate and tightened with a standard wrench until the expansion sleeve grips the base material. The attached bracket or hardware is positioned first, the anchor passed through its fixing hole, and final tightening completed once the alignment is checked. We recommend cleaning drilling dust from the hole before insertion and protecting the anchor threads during handling.

Quality Assurance

Every expansion anchor bolt is 100% inspected before shipment for thread integrity, sleeve expansion function and surface condition. Material test certificates are available on request to support project specifications.

Applications

• Curtain wall fixing hardware
• Structural glazing anchors
• Stone & marble backup anchors
• Heavy-duty building fixing

Customization & OEM

Available in custom sizes, materials (SS304 / SS316 / 316L / 2205) and finishes. OEM and ODM manufacturing are supported. Send your fixing schedule to our team to request a quote.