20Pcs M12 X 1.25 Serrated Flange Nut Set In Carbon Steel, Heavy-Duty Hex Flange Lock Nuts With Rust-Resistant Bright Black Finish, Metric Thread Hardware

20Pcs M12x1.25 Serrated Flange Nuts, Carbon Steel
✔️ M12x1.25, ID 17.8mm, OD 25.4mm, height 11.7mm, black

These flange nuts provide a secure lock with a serrated flange to spread load and resist loosening, especially in automotive and outdoor equipment. They are made for carbon steel with a durable black finish.

✅ Thread: M12x1.25; ID 17.8mm (0.70"), OD 25.4mm (1.00"), height 11.7mm (0.46")
✅ Material: carbon steel with phosphating treatment for corrosion resistance
✅ Finish: bright black rust-resistant coating
✅ Pack size: 20 pieces per pack

💡 What is a common use for flange nuts in mechanical assemblies?

Here's a handy guide for quick decisions. - distribute load across flange to protect mating surfaces - resist loosening in vibration prone setups - pair with metric M12x1.25 hardware in autos and equipment - suitable for outdoor or wet environments due to finish✝️