Simpson Strong-Tie MCW77 MCW 7/8 in. Coupler Nut with Witness® Hole, Grade 55

The Simpson Strong-Tie® MCW coupler nut is designed to connect threaded rods to one another and to anchor bolts. These nuts are designed to exceed the specified minimum tensile capacity of the corresponding bolts and threaded rod. All MCW coupler nuts feature a positive stop to help ensure even threading into each end of the nut and a Witness® hole as a means to verify when rods are properly installed.

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

Features

• Couplers feature a Witness hole to ensure proper installation
• Positive stop feature that helps ensure proper thread engagement into each end of the nut
• MCW models are indicated with two notches
• For non-hot-dip galvanized all-thread rod only
• For connecting 7/8 in. rod diameters
• Height (min.): 2 in.

Specifications

• ERP Part Number: MCW77
• UPC: 707392036906
• GTIN: 707392036906
• Feature 01: Couplers feature a Witness hole to ensure proper installation
• Feature 02: Positive stop feature that helps ensure proper thread engagement into each end of the nut
• Feature 03: MCW models are indicated with two notches
• Feature 04: For non-hot-dip galvanized all-thread rod only
• Feature 05: For connecting 7/8 in. rod diameters
• Feature 06: Height (min.): 2 in.
• Assembled Depth - Imperial: 1.09375 min.
• Assembled Depth UOM - Imperial: in.
• Assembled Height - Imperial: 2.25 min.
• Assembled Height UOM - Imperial: in.
• Assembled Width - Imperial: 1.26296 min.
• Assembled Width UOM - Imperial: in.
• Base Product ID: CNW_Nut
• Base Product Name: CNW/HSCNW/MCW
• Bolt/Rod Diameter (in.): 7/8
• Brand Name: Simpson Strong-Tie®
• Category Tree (Computed): Wood Construction Connectors > Nuts and Couplers > Nut
• Coating: Zinc Plated or Uncoated
• Country of Origin: CN
• Customer Unit: Yes
• Display Unit/Measure: EA
• Finish: Zinc Plated or Uncoated
• GUID: 87221191427289597548730709415568999060
• 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
• Product Class: Nut
• Prop 65 Warning: No
• Quantity: 1
• Shipping Weight: 0.57
• Short Product Name: 7/8IN TO 7/8IN COUPLER NUT Grade 55
• Strongtie.com URL: https://www.strongtie.com/nutsandcouplers_anchorbolts/cnw_nut/p/cnw.hscnw
• Subcategory: Wood Construction Connectors
• Subcategory 2: Nuts and Couplers
• Brand Video: https://images.salsify.com/video/upload/s--N-SMFYx9--/wpz3sdgci9c512ppr9df.mp4
• CAR Reference: 30707392036907
• PAC Reference: 707392859062
• PAL Reference: 50707392036901