M3-0.5X5 4.5 MM Aluminum Hex Male-Female Standoff (Pack Qty 500) BC-M453005HMA

Male-female standoffs are designed for assemblies where one mating part contains internal threads. They provide a secure spacer with a male thread on one end and a female thread on the other, simplifying stacked or separated component mounting. Aluminum option: chosen for a favorable balance of low weight and strength. Aluminum standoffs are non-magnetic, tolerate extreme temperatures well, and offer insulating properties. Material specification: 6061 Aluminum (Magnesium: 0.8 - 1.2%; Copper: 0.15 - 0.40%; Silicon: 0.4 - 0.8%; Iron: 0.7% maximum; Zinc: 0.25% maximum; Titanium: 0.15% maximum; Manganese: 0.15% maximum; Chromium: 0.04 - 0.35%). Stainless option: conductive and non-magnetic, Type 303 stainless provides enhanced resistance to corrosion and chemical fumes but is more expensive than aluminum. Stainless: Type 303 stainless, passivated.