[Size & Package]: The package includes 80 coupling nuts of M3 thread dia in 8 sizes, length 6-40mm; 70 hex standoff spacers of M3 thread dia in 7 sizes, length 6-30mm; 30 self-tapping screws in M3-0.5x6mm (Thread Dia x Pitch x Length), and 30 hex nuts in M3x5.5x2.4mm (Thread Dia x Width Across Flats x Height). [Material] Made of 304 stainless steel, the hex standoff spacer has a smooth surface without burrs and is rust-proof corrosion-resistant and high-temperature resistant. It has high hardness, is strong and durable, and is not easy to deform. [Features] The standoff spacers adopt a six-sided design, which is easy to grip and can achieve maximum torque, allowing you to tighten easily and efficiently. [Easy to Install] Motherboard assortment kit comes with hexagon nuts and cross head screws, it is easy to install and only needs to be tightened with a wrench to assemble and connect two parts and be careful not to over-tighten. [Wide Application] Coupling nuts can be widely used in furniture repair, office equipment, automobile, mechanical industry, communication equipment, etc. Description:
[Material] Made of stainless steel, the hex standoff spacer has a smooth surface without burrs and is rust-proof corrosion-resistant and high-temperature resistant. It has high hardness, is strong and durable, and is not easy to deform.
[Features] The standoff spacers adopt a six-sided design, which is easy to grip and can achieve maximum torque, allowing you to tighten easily and efficiently.
[Easy to Install] Motherboard assortment kit comes with hexagon nuts and cross head screws, it is easy to install and only needs to be tightened with a wrench to assemble and connect two parts and be careful not to over-tighten.
[Wide Application] Coupling nuts can be widely used in furniture repair, office equipment, automobile, mechanical industry, communication equipment, etc.

Specification:
Material: Stainless Steel
Color: Silver
Hex Standoff Spacer Coupling Nuts Size: (Thread Dia x Length x Male Length):M3x20x6mm; M3x30x6mm; M3x6x6mm; M3x25x6mm; M3x15x6mm; M3x8x6mm; M3x10x6mm
Coupling Nuts Size(Thread Dia x Pitch x Length): M3x0.5 x 30mm; M3x0.5 x 8mm; M3x0.5 x 40mm; M3x0.5 x 20mm; M3x0.5 x 15mm; M3x0.5 x 25mm; M3x0.5 x 10mm; M3x0.5 x 6mm
Self-Tapping Screws Size(Thread Dia x Pitch x Length): M3-0.5x6mm
Hexagon Nuts Size(Thread Dia x Width Across Flats x Height): M3x5.5x2.4mm

Package Content:
80 Pcs x Coupling Nuts; 10 pcs of each size.
70 Pcs x Hex Standoff Spacers; 10 pcs of each size.
30 Pcs x Self-Tapping Screws;
30 Pcs x Hexagon Nuts