Beefy Heavy Duty Alloy Steel Shoulder Bolts Five Sixteenths By One And One Half Inch Hex Socket With One Quarter Twenty Threads Black Oxidized Finish Pack Of Ten By SCXCLY Great For Automotive Machinery And DIY Projects

Heavy-Duty Alloy Steel Shoulder Bolts 5/16 x 1-1/2 in, 10 pcs
✔️ 5/16 x 1-1/2 in shoulder bolts, 1/4-20 threads, 10 pcs

This heavy-duty shoulder bolt is built from alloy steel with a black oxide finish for durability and corrosion resistance. It’s designed for high-load applications in automotive, machinery, and DIY projects.

✅ Size: 5/16 in shoulder bolt; shoulder length 1-1/2 in; thread 1/4-20
✅ Material: alloy steel (12.9 grade)
✅ Finish: black oxide for rugged look and corrosion protection
✅ Pack: 10 pieces per pack

💡 What is a heavy-duty hex socket shoulder bolt used for in automotive and industrial applications?

A handy, rugged fastener that provides strong load-bearing support and precise shaft alignment in high-load setups. For quick reference: - Handy for securing shafts in engines, gearboxes, and hydraulic assemblies - Helps prevent loosening under vibration and heavy loads - Useful in textile, injection, and other machinery setups requiring precise alignment - Black oxide finish resists corrosion and looks good