Simpson Strong-Tie HTTH6.5HDG HTTH™ 20-1/4-in. 10-Gauge Hot-Dip Galvanized Heavy Tension Tie

The Simpson Strong-Tie® HTTH™ heavy tension tie is an ideal solution for residential construction as well as light-framed wood commercial buildings. Tested per AC 155, the HTTH is the first nailed-on holdown to achieve up to 7,650 lb. allowable load, making it an economical solution when heavier loads are required. This heavy, single-piece formed tension tie is fastened with nails (in standard sizes for pneumatic nailers) or Strong-Drive® SD Connector screws.

This Simpson product is designed for construction, connector, fastening, anchoring, and structural applications where dependable performance, durability, and jobsite-ready installation matter.

Features

• Four-fold seat to reduce deflection
• Tapered base optimized for increased strength and reduced deflection
• Optimal nailing pattern reduces splitting at the end of the post and maximizes individual fastener capacity
• Designed with a 0.185-in. fastener hole diameter, making it compatible with both nails and SD Connector screws
• 3-in. width x 20-1/4-in. length
• Anchor rod diameter: 3/4 inch
• Requires one standard 3/4-in. cut washer (not included)
• Made from 10-gauge steel
• Hot-dip galvanization (HDG) offers extra corrosion resistance for exterior and treated-wood applications

Specifications

• ERP Part Number: HTTH6.5HDG
• UPC: 707392030041
• GTIN: 707392030041
• Feature 01: Four-fold seat to reduce deflection
• Feature 02: Tapered base optimized for increased strength and reduced deflection
• Feature 03: Optimal nailing pattern reduces splitting at the end of the post and maximizes individual fastener capacity
• Feature 04: Designed with a 0.185-in. fastener hole diameter, making it compatible with both nails and SD Connector screws
• Feature 05: 3-in. width x 20-1/4-in. length
• Feature 06: Anchor rod diameter: 3/4 inch
• Feature 07: Requires one standard 3/4-in. cut washer (not included)
• Feature 08: Made from 10-gauge steel
• Feature 09: Hot-dip galvanization (HDG) offers extra corrosion resistance for exterior and treated-wood applications
• Install With: (1) 3/4-in. anchor bolt AND (34) 0.148 x 2-1/2-in. nails, 0.162 x 2-1/2-in. nails, #10 x 1-1/2-in. Strong-Drive SD screws or #10 x 2-1/2-in. Strong-Drive SD screws; corrosion-resistant fasteners must be used
• Assembled Depth - Imperial: 2.515
• Assembled Depth UOM - Imperial: in.
• Assembled Height - Imperial: 20.3805
• Assembled Height UOM - Imperial: in.
• Assembled Width - Imperial: 3
• Assembled Width UOM - Imperial: in.
• Base Product ID: HTT_Tie
• Base Product Name: HTT/HTTH™
• Brand Name: Simpson Strong-Tie®
• Category Tree (Computed): Wood Construction Connectors > Holdowns and Tension Ties > Tie
• Coating: Hot-Dip Galvanized
• Country of Origin: US
• Customer Unit: Yes
• Display Unit/Measure: EA
• Finish: Hot-Dip Galvanized
• Gauge: 10
• GUID: 249125801834138999561988959398620769738
• Logo Image: https://images.salsify.com/image/upload/s--Lkh4Jm6c--/vkrqlmpfxgflsa4yytuq.png
• Measurement Unit Text: each
• MFG Name: Simpson Strong-Tie®
• Number Category Description: UPC
• Packaging Quantity: 1
• Packaging Type: Unpacked
• Product Class: Tie
• Prop 65 Warning: No
• Quantity: 1
• Shipping Weight: 3.6
• Short Product Name: 20-1/4IN TENSION TIE HDG
• Strongtie.com URL: https://www.strongtie.com/tensionties_holdownsandtensionties/htt_tie/p/htt
• Subcategory: Wood Construction Connectors
• Subcategory 2: Holdowns and Tension Ties
• Warranty PDF: https://images.salsify.com/image/upload/s--K_9ww28_--/bgqxyqo1uhaqsqcvudu7.pdf
• Brand Video: https://images.salsify.com/video/upload/s--N-SMFYx9--/wpz3sdgci9c512ppr9df.mp4
• CAR Reference: 10707392030048