HEAVY-DUTY CORNERS
4×4 WORKBENCH HARDWARE | 8 PIECE KIT
4×4 HEAVY-DUTY WORKBENCH CORNER BRACKETS
An eight-piece steel corner bracket kit for building sturdy 4×4 workbenches, shop tables and practical wood-frame projects.
✓Sized for 4×4 workbench and shop-frame projectsSee details $74.99Heavy-duty 4×4 corner bracket set
Amazon-aligned public priceMOQ: 1 unitETA: Within 10 business days from order date
- Eight heavy-duty steel corner brackets per kit
- Designed for 4×4 workbench and shop-frame construction
- Supports square, repeatable corner layouts
- Suitable for workshop and practical wood-frame projects
8-Piece KitHeavy-duty 4×4 corner bracket set$74.99
20% OFF FIRST ORDERClaim by email · no account requiredFREE 3+ ITEM SHIPPINGMix or match sitewideBUSINESS BULK PRICINGRequest a quote → Prefer Amazon? Visit the SUPCONN Amazon Store ↗ 01BUILT FOR 4×4 FRAMES
The bracket layout is designed around substantial 4×4 workbench and shop-frame members.
02EIGHT-PIECE PROJECT KIT
Each kit provides eight matching corner brackets for a consistent build from one package.
03PRACTICAL STEEL SUPPORT
Steel construction reinforces key frame connections for workshop and utility projects.
HEAVY-DUTY FRAME CONNECTION
SQUARE THE CORNERS | BUILD WITH CONFIDENCE
Use the matching bracket set to lay out repeatable frame corners before drilling and fastening the workbench structure.
✓ Eight matching brackets✓ 4×4 project compatibility✓ Steel construction✓ Workshop-ready layout
SIMPLE INSTALLATION
MEASURE | SQUARE | FASTEN
Confirm lumber dimensions and fastener requirements before assembly, then keep every corner square as the frame is tightened.

- 01PLAN THE FRAMEConfirm the finished workbench dimensions and mark each bracket position on the lumber.
- 02ALIGN THE CORNERSHold the frame members square and position the brackets consistently at each connection.
- 03FASTEN SECURELYUse fasteners appropriate for the lumber and intended load, then recheck alignment before use.
WIDE APPLICATION
FOR WORKBENCHES AND SHOP FRAMES
Use the kit for workbenches, utility tables and other square wood-frame projects built around 4×4 members.
WORKBENCHESSHOP TABLESUTILITY FRAMES4×4 PROJECTS

PRODUCT INFORMATION
WHAT YOU NEED TO KNOW
- Product
- Heavy-Duty Workbench Corner Brackets
- Kit quantity
- 8 pieces
- Lumber application
- 4×4 workbench and shop-frame projects
- Material
- Steel
- Order minimum
- 1 kit
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COMMON QUESTIONS
BEFORE YOU BUILD
How many brackets are included?
Each retail kit contains eight heavy-duty corner brackets.
Which lumber size is this kit designed for?
This product is intended for 4×4 workbench and shop-frame applications.
What should I confirm before installation?
Confirm the actual lumber dimensions, project loads and suitable fasteners before drilling or assembly.
PROJECT SUPPORT
NOT SURE IT FITS?
Tell us the frame dimensions and what you plan to build. We'll help confirm the kit quantity before you order.
Ask SUPCONN Support →8-Piece Kit$74.99