SSTB® Anchor Bolts

Bolts

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The SSTB anchor bolt is designed for maximum performance as an anchor bolt for holdowns and Simpson Strong-Tie® Strong-Wall® shearwalls. Extensive testing has been done to determine the design load capacity of the SSTB when installed in many common applications.

The Simpson Strong-Tie® SSTB anchor bolts are now code listed by ICC-ES under the 2009 and 2012 IBC® and IRC® to meet the requirements of ICC-ES acceptance criteria AC 399. ICC-ES ESR-2611 is the industry's first code report issued for proprietary anchor bolts evaluated to the criteria of AC 399.

Key Features

• Identification on the bolt head showing embedment angle and model
• Offset angle reduces side bursting, and provides more concrete cover
• Rolled thread for higher tensile capacity
• Stamped embedment line aids installation
• Available in HDG for additional corrosion resistance

Material

ASTM F-1554, Grade 36

Finish

None. May be ordered HDG; contact Simpson Strong-Tie.

Installation

• SSTB is suitable for monolithic and two-pour concrete applications.
• Nuts and washers for holdown attachment are not supplied with the SSTB; install standard nuts, couplers and/or washers as required.
• On HDG SSTB anchors, chase the threads to use standard nuts or couplers or use overtapped products in accordance with ASTM A563, for example Simpson Strong-Tie® NUT5/8-OST or NUT7/8-OST, CNW5/8-OST, CNW7/8-OST.
• Install SSTB before the concrete pour using AnchorMates®. Install the SSTB per the plan view detail.
• Minimum concrete compressive strength is 2500 psi.
• When rebar is required it does not need to be tied to the SSTB.
• Order SSTBL Models (example: SSTB16L) for longer thread length (16L= 5 1/2", 20L = 6 1/2", 24L = 6", 28L = 6 1/2"). SSTB and SSTBL load values are the same. SSTB34 and SSTB36 feature 4 1/2" and 6 1/2" of thread respectively and are not available in "L" versions.
• View step-by-step installation instructions in the Installer's Pocket Guide (S-C-INSTALL).

CMU

• One horizontal #4 rebar in the second course.
• One vertical #4 rebar in adjacent cell for 5/8" diameter SSTB.
• One vertical #4 rebar in an adjacent cell and additional vertical #4 rebar(s) at 24" o.c. max. for 7/8" diameter SSTBs (2 total vertical rebars for end wall corner, 3 total vertical rebars for midwall).

For two-pour (4" slab) installation loads:

• When using the SSTB20, use the equivalent loads of the SSTB16.
• When using the SSTB24, use the equivalent loads of the SSTB20.
• When using the SSTB34 or 36, use the equivalent loads of the SSTB28.

Related Links

• Wood Construction Connectors Technical and Installation Notes
• General Notes
• Corrosion Information
• Corrosion-Resistant Products
• Contact Simpson Strong-Tie®

Related Literature

Wood Construction Connectors Catalog 2015-2016

C-C-2015

Complete product and application information as well as load tables and installation information for over 3,000 wood-to wood, wood-to concrete and wood-to-masonry connectors.

Catalog

• 
  Conectores Metálicos Estructurales 2013-2015

  C-2013SP

  Información completa de productos, de la aplicación, de las tablas de cargas y de la instalación, para conectores Simpson Strong-Tie® de madera a madera, madera a concreto y concreto a mampostería.

  Catalog
• 
  Strong-Wall Shearwalls Catalog 2014

  C-L-SW14

  The complete reference for product, application and technical information for our Strong-Wall wood and steel shearwalls, including engineered design solutions.

  Catalog
• 
  Strong-Wall® Shearwall Anchorage Solutions

  F-L-SWANCHOR13

  This flier highlights anchorage solutions for the Steel and Wood Strong-Walls. The SSWABHS is suggested for Steel Strong-Wall. The SSTB is suggested for Wood Strong-Wall.

  Flier
• 
  Installer's Pocket Guide

  S-C-INSTALL16

  S-C-INSTALL16 is a guide featuring updated products, new color illustrations and easier navigation. Some popular structural fastening and anchoring products have also been added.

  Installation Guide
• 
  Anchoring Solutions for Simpson Strong-Tie® Connectors in Wind and Low-Seismic Regions

  T-ANCHORSPEC12

  A cross-reference to help evaluate the anchorage solution options for Simpson Strong-Tie holdowns, tension ties and post bases. Extensive details included for various foundation types.

  Technical Bulletin
• 
  City of Los Angeles RR Values for Connectors in Shear Walls and Wall Anchorage Assemblies

  T-C-HDLA15

  T-C-HDLA15 is a technical bulletin that details holdown requirements imposed by the City of Los Angeles and provides adjusted load values for Simpson Strong-Tie holdowns that meet these requirements.

  Technical Bulletin
• 
  Holdown Anchors: Slab-on-Grade

  L-C-HDABSOG15

  Anchor Bolt Recommendations for Holdowns Used with Slab-On-Grade Foundations.

  Engineering Letter
• 
  Holdown Anchors: Stemwall

  L-C-HDABSTEM15

  Anchor Bolt Recommendations for Holdowns Used with Stemwall Foundations

  Engineering Letter
• 
  Supplemental Info to T-SWPDG10: SW to CMU

  L-L-SWPDGCMU15

  Alternate CMU Stemwall Anchorage for Narrow Wall Bracing Solutions in T-SWPDG10.

  Engineering Letter
• Show 7 More
  Show Less

Load Tables

SSTB Bolts at Stemwall

    These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.

1. See notes to the Designer below.
2. SSTB28, SSTB34 and SSTB36 with 3 7/8" end distance allowable loads are 6605 lbs. (Wind and SDC A&B) and 5550 lbs (SDC C-F).

STEMWALL PLAN VIEWS

Midwall

Corner

End Wall

Perspective View

Notes to the Designer:

1. Rebar is required at top of stemwall foundations but is not required for Slab-on-Grade Edge and Garage Curb, or Stemwall Garage Front installations.
2. Minimum end distances for SSTB bolts are as shown in graphics.
3. Multiply the tabulated ASD wind or seismic loads by 1.6 or 1.4, respectively, to obtain LRFD capacities.
4. Per Section 1613 of the IBC, detached one- and two-story dwellings in SDC C may use "Wind and SDC A&B" allowable loads.
5. See ESR-2611 for additional information.
6. Midwall loads apply when anchor is 1.5 l_e or greater from the end. For bolts acting in tension simultaneously, the minimum bolt center-to-center spacing is 3 l_e.

SSTB Bolts in 8" CMU

    These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.

1. Loads are based on a minimum CMU compressive strength, f'_m, of 1500 psi.
2. Minimum end distance required to achieve midwall table loads is 1.5 l_e.
3. Minimum end distance for corner/end wall loads is 4 1/4".
4. Loads may not be increased for duration of load.

SSTB Installation in Concrete Foundation

Maintain minimum rebar cover, per ACI-318 concrete code requirements

Typical SSTB Installation in Grouted Concrete Block

SSTB Bolts at Stemwall: Garage Front

Notes to the Designer:

1. Rebar is required at top of stemwall foundations but is not required for Slab-on-Grade Edge and Garage Curb, or Stemwall Garage Front installations.
2. Minimum end distances for SB bolts are as shown in graphics.
3. Multiply the tabulated ASD wind or seismic loads by 1.6 or 1.4, respectively, to obtain LRFD capacities.
4. Per Section 1613 of the IBC, detached one- and two-story dwellings in SDC C may use "Wind and SDC A&B" allowable loads.
5. See ESR-2611 for additional information.
6. Midwall loads apply when anchor is 1.5 l_e or greater from the end. For bolts acting in tension simultaneously, the minimum bolt center-to-center spacing is 3 l_e.

Stemwall Garage Front

Perspective View

Plan View

SSTB Bolts at Slab on Grade: Edge

Notes to the Designer:

1. Rebar is required at top of stemwall foundations but is not required for Slab-on-Grade Edge and Garage Curb, or Stemwall Garage Front installations.
2. Minimum end distances for SB bolts are as shown in graphics.
3. Multiply the tabulated ASD wind or seismic loads by 1.6 or 1.4, respectively, to obtain LRFD capacities.
4. Per Section 1613 of the IBC, detached one- and two-story dwellings in SDC C may use "Wind and SDC A&B" allowable loads.
5. See ESR-2611 for additional information.
6. Midwall loads apply when anchor is 1.5 l_e or greater from the end. For bolts acting in tension simultaneously, the minimum bolt center-to-center spacing is 3 l_e.

Slab Edge

Perspective View

Plan View

SSTB Bolts at Slab on Grage: Garage Curb

Notes to the Designer:

1. Rebar is required at top of stemwall foundations but is not required for Slab-on-Grade Edge and Garage Curb, or Stemwall Garage Front installations.
2. Minimum end distances for SB bolts are as shown in graphics.
3. Multiply the tabulated ASD wind or seismic loads by 1.6 or 1.4, respectively, to obtain LRFD capacities.
4. Per Section 1613 of the IBC, detached one- and two-story dwellings in SDC C may use "Wind and SDC A&B" allowable loads.
5. See ESR-2611 for additional information.
6. Midwall loads apply when anchor is 1.5 l_e or greater from the end. For bolts acting in tension simultaneously, the minimum bolt center-to-center spacing is 3 l_e.

Slab Garage Curb

Perspective View

Plan View

Code Reports