Product Description
Simpson CJT6ZS CJTZ 12-Gauge ZMAX Galvanized Concealed Joist Tie with Short Pins by Simpson Strong-Tie is a concealed connector designed to create strong, hidden connections between a header/post and a beam. The CJTZ can be installed three ways: with no routing of header/post or beam, with a routed header/post, or with a routed beam. Built from 12-gauge steel with a ZMAX galvanized coating, this connector delivers superior corrosion resistance, making it well suited for exterior and treated-wood applications. It is part of a broader concealed connector system that includes the CPTZ and CBTZ.
Key Features
- Center dowel in beam for optimal alignment and load transfer
- Short dowel (1/2 in. x 2-3/4 in.) for use with 3-1/8 in. glulam beam, 4x sawn lumber, or 3-1/2 in.-wide PSL
- Made from 12-gauge steel for reliable structural performance
- ZMAX galvanization offers extra corrosion resistance for exterior and treated-wood applications
- Install only in glulam, composite lumber (PSL, LSL and LVL) or well dried lumber
- Dowels aligned across the grain may cause splitting if the wood shrinks excessively - proper lumber selection is essential
- Three installation methods: no routing, routed header/post, or routed beam
- Part of the CJTZ concealed connector system, compatible with CPTZ and CBTZ components
Specifications
- Manufacturer Part Number (MPN): CJT6ZS
- Brand: Simpson Strong-Tie
- Series: CJTZ
- Coating: ZMAX
- Finish: ZMAX
- Gauge: 12
- Pin Length: 2-3/4 in.
- Pin Diameter: 1/2 in.
- Country of Origin: United States
Approved Applications
- Glulam beams (3-1/8 in. width)
- Composite lumber including PSL (3-1/2 in. wide), LSL, and LVL
- 4x sawn lumber (well dried)
- Exterior applications requiring enhanced corrosion resistance
- Treated-wood applications
What's Included
- Short pins - 2-3/4 in. length x 1/2 in. diameter
- All required SDS screws (hex-head driver required for installation)
- All dowels and screws required for installation are supplied with the connector
Frequently Asked Questions
- What types of lumber can the CJT6ZS CJTZ Concealed Joist Tie be used with?
- The CJT6ZS is approved for use in glulam, composite lumber (PSL, LSL, and LVL), or well dried lumber. It should not be installed in green or excessively wet lumber, as dowels aligned across the grain may cause splitting if the wood shrinks excessively.
- What are the dimensions of the short pins included with the CJT6ZS?
- The included short pins measure 1/2 in. in diameter and 2-3/4 in. in length. These short pin dimensions make the CJT6ZS specifically suited for use with 3-1/8 in. glulam beams, 4x sawn lumber, or 3-1/2 in.-wide PSL.
- What fasteners are needed to install the CJT6ZS, and are they included?
- The CJT6ZS is supplied with all dowels and screws required for installation. The included screws are Strong-Drive SDS Heavy Duty Connector Screws and require a hex-head driver for installation - no additional fasteners need to be purchased separately.
- Why does the CJT6ZS feature a ZMAX coating instead of standard galvanization?
- The ZMAX galvanization provides extra corrosion resistance compared to standard galvanized products. This makes the CJT6ZS suitable for exterior applications and use with treated wood, where elevated moisture and chemical exposure can degrade standard galvanized coatings over time.
Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.
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