80 Pieces M4 Double Headed Hanger Bolts Yellow Zinc Plated Dowels Self Tapping Screws for Wood Furniture M4x40mm Hidden Joint Fasteners for Durable Concealed Wood Joining in Cabinets Tables Shelves and More

80-Piece M4 Double-Headed Hanger Bolts for Concealed Wood ✔️ 80 pcs, M4x40mm, yellow zinc plated, self tapping for wood

These 80-piece double-headed hanger bolts with yellow zinc plating are designed for hidden joinery in wood. They’re ideal for cabinets, tables, shelves, beds, and other wooden frames where clean, durable concealed connections are needed.

✅ Dual-End Locking Connection Structure enables hidden joints in wood
✅ Direct Penetrating Thread Layout sinks into wood without predrill
✅ Multi Woodwork Matching Profile fits cabinets, beds, tables, shelves
✅ Solid Coated Metal Integrated Build for durability in changing environments
✅ Multi Spec Adjustable Thread Form to fit varying thicknesses
✅ Color: One Color (yellow zinc finish)

💡 What is a double headed hanger bolt used for in concealed wood joinery and furniture assembly? This handy fastener lets you lock two wooden pieces securely without visible hardware.
- Concealed wood joinery for cabinets and furniture
- Adjustable thread form to fit varying thicknesses
- Direct penetrating thread layout reduces need for pre-drilling
- Durable, corrosion-resistant finish for long-term indoor/outdoor use

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