420 Pcs M3 Button Head Hex Socket Screws, Bolts, Nuts and Washers Kit, M3x30/35/40/45/50mm Grade 10.9 Carbon Steel Black Metric Fasteners Assortment
FUZHGYEAL
Ideal for machinery assembly, equipment repair, shelving, conveyor systems, and structural mounting. Covers M3 thread size across 30mm, 35mm, 40mm, 45mm, and 50mm lengths to fit precision mechanical assembly, 3D printer builds, electronics enclosure fastening, and general workshop projects requiring longer M3 hardware. Crafted from grade 10.9 carbon steel with consistent button head forming and fully machined hex socket recesses, delivering high tensile strength and maintaining structural reliability under elevated torque and repeated clamping cycles. The button head profile provides a rounded, low-projection seated finish that sits smoothly on mounting surfaces, while the included nuts and washers help create secure, balanced connections across assembled panels, brackets, and structural components. Useful for CNC fixture setups, machinery builds, automotive small-part assembly, workbench construction, and hobby crafting, supplying a consolidated M3 kit that covers extended length requirements without sourcing individual sizes separately. Standardized hex socket drive mates with common Allen keys for straightforward installation and removal, and the organized compartment layout with labeled lengths speeds up identification and retrieval, keeping your assembly workflow efficient., Manufacturer: FUZHGYEAL
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