30 Piece 1/2-20 By 1-3/4 Inch Alloy 12 Point Flange Bolts And Screws With UNF Fine Full Threads Black Oxide Beefy Heavy Duty Fasteners For Automotive Machinery And Industrial Projects

30-Piece 1/2-20 Flange Bolts Set, 1.75 in length
✔️ 1/2-20 UNF, fine threads, alloy steel 170M, black oxide finish

This 30-piece set features 1/2-20 UNF flange bolts, alloy steel (170M), and a black oxide finish for durable use in automotive, machinery, and industrial equipment applications.

✅ Pack size: 30 pieces
✅ Size/threads: 1/2-20 UNF, 12-point flange head
✅ Length under head: 1.75 in
✅ Material/finish: alloy steel (170M), black oxide

💡 What is a typical use case for a 1/2-20 UNF flange bolt in heavy machinery?

These handy fasteners are used to secure brackets, pulleys, and housings where load distribution and resistance to loosening under vibration matter. - used to mount brackets and housings in automotive, industrial, and machinery setups - compatible with standard UNF fasteners in equipment and frames - black oxide finish offers corrosion protection in tough environments ✝️