M3M4 Aluminum Alloy Hand-Tightening Flat Head Knurled Adjustment Screw Bolt

This high-quality adjustment screw bolt is crafted from durable aluminum alloy and features a knurled flat head design, ensuring a secure grip for easy hand-tightening. Its lightweight structure offers excellent corrosion resistance, making it ideal for various applications requiring frequent adjustments. The precision-engineered threading provides a smooth operation, offering reliability and efficiency in both professional and DIY projects. Perfect for machinery, equipment, and furniture adjustments, this screw bolt combines functionality with robust construction for long-lasting performance. Head shape: Round head Surface treatment: Black Material Grade: Aluminum Alloy Product Grade: 8.8 Standard No.: DIN 316-1983 Manufacture country: China Instructions included: No