Simpson Strong-Tie STB2-253146SS Strong-Bolt (1/4 in. x 3-1/4 in.) Stainless Steel 2 Wedge Anchor – Unassembled (100 Pack)
Simpson Strong-Tie STB2-253146SS Description
The Simpson Strong-Tie Strong-Bolt 2 wedge-type expansion anchor is designed for high-performance in seismic and high-wind conditions, offering long-lasting corrosion resistance with Type 316 stainless steel.
Simpson Strong-Tie STB2-253146SS Includes
- (100) Strong-Bolt 2 Wedge Anchors
Simpson Strong-Tie STB2-253146SS Features
- Code listed for uncracked concrete applications
- Chamfered top designed to prevent mushrooming during installation
- Qualified for static and seismic loading conditions (seismic design categories A through F)
- Suitable for horizontal, vertical and overhead applications
- Standard (ANSI) fractional sizes: fits standard fixtures and installs with common drill bit and tool sizes
- Tested per ACI355.2 and AC193
- Made from Type 316 stainless steel for long-lasting corrosion resistance
Simpson Strong-Tie STB2-253146SS Applications
- Concrete anchoring in seismic and high-wind conditions
- Horizontal, vertical, and overhead applications
- Structural support for fixtures in concrete
Simpson Strong-Tie STB2-253146SS Installation Overview
- Drill a hole in the base material using a carbide drill bit the same diameter as the nominal diameter of the anchor.
- Blow the hole clean using compressed air.
- Assemble the anchor with nut and washer so the top of the nut is flush with the top of the anchor.
- Place the anchor in the fixture and drive it into the hole until the washer and nut are tight against the fixture.
- Tighten to the required installation torque.
Simpson Strong-Tie STB2-253146SS Specifications
| Diameter | 1/4 inch |
| Length | 3-1/4 inch |
| Material | Type 316 Stainless Steel |
| Finish | Plain |
| Thread Length | 2-7/16 inch |
| Drill Bit Size | 1/4 inch |
| Installation Torque | 4 ft-lbs |
NOTE: Do not use an impact wrench to set or tighten the Strong-Bolt 2 anchor. Oversized holes in the base material will make it difficult to set the anchor and will reduce the anchor’s load capacity
