Carbon Steel M12 M16 M10 Hex standoff custom zinc-coated Male And Female hexagon studs

A standoff is a screw with internal thread at one end and external thread at the other end. The broad definition also includes screws with internal threads at both ends. Featuring a hexagonal shape, it serves both fastening and isolation purposes. Typically manufactured from hexagonal copper rods, standoffs are also known as copper columns, hexagonal copper columns, copper isolation columns, or copper gasket columns.

Primary Applications: Hexagonal screws are predominantly used in computers, circuit boards, and related industries. When one end is screwed into the locked object, the hexagonal column remains exposed, enabling the fixation or isolation of other objects.

Standard Specifications: Main standoff sizes include M3, M4, M5, M6, M8, and M10, with hexagonal column specifications ranging from 5, 6, 8, 10, 12, to 15 mm (M3 series being most common). Materials include copper, stainless steel, and fast cutting steel.

Hexagonal studs (also called yin-yang studs) feature internal thread at one end and external thread at the other, both with hexagonal profiles for effective fastening and isolation. These are extensively used in computer mainframes where the external thread connects to the motherboard while the internal thread isolates the motherboard from the sheet metal casing.

Carbon steel is an iron-carbon alloy containing 0.0218% to 2.11% carbon, typically with small amounts of silicon, manganese, sulfur, and phosphorus. Higher carbon content increases hardness and strength while reducing plasticity.

• By Use: Carbon structural steel (engineering/machine manufacturing), carbon tool steel, free-cutting structural steel
• By Smelting Method: Open-hearth steel, converter steel
• By Deoxidation: Boiling steel (F), killed steel (Z), semi-killed steel (b), special killed steel (TZ)
• By Carbon Content: Low carbon (≤0.25%), medium carbon (0.25%-0.6%), high carbon (≥0.6%)
• By Quality: Ordinary (higher P/S), quality (lower P/S), high-quality steel

Stainless steel is a corrosion-resistant alloy primarily composed of iron, chromium, and nickel. These elements provide oxidation resistance, durability, and aesthetic appeal.

Key Difference: Stainless steel's superior corrosion resistance comes from chromium oxide protective layers that form when chromium combines with oxygen. Carbon steel lacks sufficient chromium for this protection, making it more prone to rust.