M10x1.5 Serrated Flange Hex Nuts Anti Loosening Black Oxide Finish 15mm Nut Size 21.8mm Flange 10mm Height 20 Pack For Home DIY And Automotive Projects Garage Grade Grip

M10x1.5 Serrated Flange Hex Nuts Black Oxide 20 Pack
✔️ M10x1.5 thread 15mm nut 10mm height 21.8mm flange 20 pack black oxide steel

Serrated flange hex nuts are handy fasteners for locking bolts in place on equipment that shakes or vibrates during use. They show up often in auto work, home fixes, and garage builds where you want a solid hold without extra parts.

✅ Thread size M10x1.5 for common metric bolts
✅ 15mm across flats fits a standard 15mm wrench
✅ 10mm tall with 21.8mm flange to spread load
✅ Black oxide carbon steel resists rust in damp spots
✅ 20 piece pack covers multiple projects without reordering

💡 What are flange nuts used for in everyday builds? Flange nuts add grip and stability when you need hardware that stays tight under movement. - They replace separate washers so assembly goes faster on cars, machines, and frames - The serrated base bites into surfaces to fight loosening from engine or road shake - Carbon steel with black oxide holds up in garages, workshops, and outdoor marine spots - A 20 pack gives enough fasteners for full repairs or multiple DIY jobs at once

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