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Product details This M4 screw assortment kit comes with a total of 560 pieces, including 135pcs M4 hex socket head bolts, 140pcs hex nuts, 140pcs flat washers, 145pcs spring washers, and 1 mini wrench. This complete M4 screw set is ideal for 3D printers, electronics, RC models, DIY repairs, and CNC machinery.Standardized Metric Sizes The M4 hex bolts assorted kit come with 7 commonly used lengthsM4 x 6mm, 8mm, 10mm, 12mm, 16mm,20mm,30mmideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm.High quality Made of durable 12.9 alloy steel 4mm socket head cap screws and nuts set with oilfree black galvanizing for corrosion resistance. Smooth, burrfree surface with precise threading ensures secure fastening. Weatherproof design maintains hardness and durability for longterm allweather use. Perfect for demanding applications requiring strength and reliability.Wide ApplicationsThis M4 hex socket head bolts assortment is perfect for all sorts of building and repair projects. Whether youre into 3D printing, working on RC cars, fixing small electronics, or tackling DIY jobsthese screws have you covered.Organized Storage Box The metric machine screws kit comes in a durable, compartmentalized case with clear size labelsso you can spot the right screw instantly. Keeps your workspace tidy and speeds up project progress, making every job smoother. MORE DETAILS asin B0FGV8F6G7 bestsellersrank 37 in Industrial Scientific See Top 100 in Industrial Scientific 1 in Screw Bolt Assortment Sets brand Fgruh color Black compatiblegroovediameter 4 millimeters customerreviews 4.6 4.6 out of 5 stars 2,626 4.6 out of 5 stars fastenertype Bolt finishtypes Galvanized itemdiameter 4mm millimeters itemdimensions 7.95 x 4.21 x 0.67 inches itemhighlight M40.7 Hex Socket Cap Head Bolts Nuts Washers Assorted Set, Metric 4mm Screws for 3D Print, Grade 12.9 Alloy Steel Black Zinc itemshape Hexagonal manufacturer Fgruh materialtype Alloy Steel model M40.7 numberofitems 560 numberofpieces 580 outsidediameter 4 millimeters partnumber FG00112 screwheadstyle Hex Socket Head setname Metric M4 Screws Assortment Kit 480pcs sizename M4 560pcs threadsize M4 x 0.7 unitcount 480 Count upc 716597887503
