Heavy Duty M4 Double Headed Hanger Bolts With Self Tapping Half Wood Half Machine Threads Zinc Plated Steel Fasteners Built Tough As Nails For Furniture Legs And Wood Joints No Sweat Install Pack Of Twenty

Pack Of Twenty M4 Double Threaded Hanger Bolts
✔️ M4 x 30mm Zinc Plated Steel Bolts Double Ended Hardware Pack

You are buying a set of twenty heavy duty double headed fasteners designed to lock wooden pieces together securely. These hanger bolts bridge furniture assembly by driving into timber with one side while accepting a metal rod or threaded insert on the other hand. They work great for outdoor benches, indoor shelving, stair railings, and custom cabinet builds where you need a tight hold without messing with big drill bits.

✅ Thread diameter measures four millimeters or 0.16 inches
✅ Overall length runs thirty millimeters or 1.18 inches
✅ Wood thread portion covers fifteen millimeters or 0.59 inches
✅ Machine screw portion extends fifteen millimeters or 0.59 inches
✅ Carbon steel core carries zinc coating to squash rust quick

💡 How do split threaded fasteners bond timber frames to metal brackets cleanly

These double headed screws tackle junction alignment issues by chewing into board surfaces while leaving a smooth machine end ready for metal inserts. Contractors grab them to skip loose hardware and keep shelving rigid under real life loads. Here is exactly how they behave on the job site. - Self tapping wood half grips pine and oak fibers tightly without pilot hole frustration - Cut threading on the reverse accepts standard rod couplings and clamp plates instantly - Heat treated steel body resists bending when tightened down hard - Matte zinc layer stops sweat and rain from eating into the shaft ✝️