50 Piece Stainless Steel Flange Nut Set A2 70 DIN1587 Built To Last Rustproof Locking Nuts For M3 M4 M5 M6 M8 M10 M12 Bolts Perfect For Auto Maintenance And Equipment Vibration Resistant Secure Fastening

50-Piece Stainless Flange Nut Set, A2-70 DIN1587, Rustproof
✔️ DIN1587 threads, fits M3-M12, rustproof A2-70, 50 pcs

These flange nuts are built from A2-70 stainless steel and meet DIN1587 standards, offering a rustproof solution for lock fastening on M3 to M12 bolts. The 50-piece set provides consistent supply for automotive, HVAC, and industrial projects, indoors or outdoors.

✅ Secure Locking Design: integrated washer distributes pressure evenly to resist vibration
✅ Material: A2-70 stainless steel for rust resistance in indoor and outdoor use
✅ Size Range: fits bolts from M3 to M12 for auto, HVAC, and industrial work
✅ DIN1587 Precision: deep, fine threads ensure smooth threading
✅ Complete Assortment Pack: 50 pieces in a single size per pack (choose M3, M4, M5, M6, M8, M10 or M12)

💡 What is a flange nut used for in mechanical assemblies?

These nuts distribute clamping load and resist loosening in vibration-heavy equipment. - They include a built in flange to spread load across the mating surface
- They thread onto standard metric bolts (M3 to M12) for easy installation
- They work well in auto, HVAC, and industrial equipment where steady fastening matters
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