High Quality 300 Piece M3 Bolts And Nuts Set Featuring Black Button Head Hex Socket Screws Durable Machine Fastener Assortment Kit For Home Repair Projects With Organized Storage Box Heavy Duty Hardware Solutions Gets The Job Done Right Great Value Today

300pc Black M3 Button Head Screw Bolt Nut Kit Hardware
✔️ Grade 10.9 Black Coated Hex Socket Sizes M3 to 20

This heavy duty fastener assortment kit includes 300 pieces of durable machine screws ideal for home repair or industrial machinery applications.

✅ Complete 300 piece hardware set with organized storage box
✅ High strength metal Grade 10.9 for tough assembly jobs
✅ Wide size range from M3 length five millimeter up to twenty mil

💡Why choose high tensile hex bolts for your equipment maintenance
Ten point nine rated steel ensures longevity during heavy load cycles
- Prevents rust while maintaining grip under vibration stress conditions