Generic 270Pcs M4 Screw Set Assortment Hex Bolts M4x6/8/12/16/20/30mm Socket Machines Screws Bolts and Nuts Kit 12.9 Grade parafuso - (Color: 270pcs Hex Screws)

Our fasteners are widely used in aerospace, high-speed railway, s,automobiles, computers, furniture and other fields.Specifications:Pitch:The distances between adjacent threads of these metric M4 screws are 0.8MM.Material: 12.9 grade alloy steelScrew Type: Hex socket head cap screwPackage includes:M4 X 6 mm 20pcsM4 X 8 mm 20pcsM4 X 12 mm 15pcsM4 X 16 mm 15pcsM4 X 20mm 10pcsM4 X 30m 10pcsM4 Nuts 90pcsM4 Washers 90pcsTotal:270pcs M4 12.9 grade alloy steel hex socket head cap screwsnuts and washers with 1pcs allen wrench (free), suitable for small DIY projectssuch as 3D printing and RC cars DIY,precision machinery industry, classified instruments,instruments,electronic products, household appliances, communication products, locks, lamps,lights, toys, etc. alloy steel:12.9 grade alloy steel with superior rust resistanceensures long lasting results corrosion resistance, anti-aging, good toughness.

• Color: 270pcs Hex Screws