Allen key screws in comparison

Material Hex socket flat head bolts and nuts set are made of 10.9 grade alloy steel with black plated.

500 Pcs Nuts and Bolts - Package includes 500 pcs m3 hex socket head cap screws bolts set, 250 pcs m3 nuts, 250 pcs m3 bolts in 11 sizes (m3 x 6mm, m3 x 8mm, m3 x 10mm, m3 x 12mm, m3 x 16mm, m3 x 18mm, m3 x 20mm, m3 x 25mm, m3 x 30mm, m3 x 35mm, m3 x 40mm), and an Allen key for installation.

High-Strength Material Guarantee Forged from Grade 10.9 high-carbon steel with hardness reaching HRC 32-39 and tensile strength 1040 MPa. Black oxide coating creates a dense protective layer,Designed for high-load mechanical assemblies, ensuring long-term resistance to deformation and stripped threads.( Attention Please choose 304 stainless steel for outdoor humid environment

Package Includes A total of 795 pieces, including m3 x 8mm 12mm 16mm 20mm, m4 x 8mm 12mm 16mm 20mm, m5 x 8mm 12mm 16mm 20mm, m6 x 8mm 12mm 16mm 20mm, including the corresponding hex nuts and washers, as well as m3 m4 m5 m6 hex wrenches, to meet daily use needs

Hex Keys in a Folding Holder Their short and long arms construction fits small gaps or gives extra reach. All stored in a compact case, clearly marked with sizes, that folds out for easy access

Flat Head Furniture Bolts M6 bolts set adopts a full-thread design, with clear threads, uniform pitch, stable force, excellent tensile strength, easy to tighten, and disassemble, not easy to slip.

Wide Application Hexagon Flat Head Bolts and Nuts Screws Set is ideal for the maintenance and replacement of equipment in the home, shops, garages, and other small repair shops, widely used in the home and office appliance, communication equipment, ship assembly and other machinery industry, furniture, car and motorcycle repair and DIY inventions.

Multiple Sizes -- The nuts and bolts set provide M3 M4 M5 series, total is 12 size include M3*8, M3*12, M3*16, M3*20, M4*8, M4*12, M4*16, M4*20, M5*8, M5*12, M5*16, M5*20, will meet your different needs.

Easy to use grub screw assortment kit includes some common metric sizes, easily replace a lost or broken set screw

International Products Have Separate Terms That Are Sold From Abroad And May Differ From Local Products Including Fit Age Ratings And Language Of Product Labeling Or Instructions

Wide Range Of Applications hexagonal flat head bolt washer and nut combination kit, a variety of specifications, can be used to fix metal, wood, glass and plastic and other materials, widely used in machinery, furniture, electronics, electrical appliances, ships, automobiles and many other industries, is the home, factories, offices, commercial premises to maintain and repair equipment commonly used products.

Hakkin nuts and bolts set is made of high-quality 10.9 grade alloy steel with the good performance of corrosion resistance, high-temperature resistance, anti-oxidation, ensure a long term service for you.