M3-0.5X12 4.5 MM Hex Male-Female Standoff Aluminum (Pack Qty 500) BC-M453012HMA

Designed for applications where one mating part contains internal threads, these male-female standoffs provide a secure threaded spacer solution. Aluminum versions are chosen for their favorable light-weight-to-strength ratio; they are non-magnetic, retain performance in severe temperatures, and offer insulating properties. Stainless options are electrically conductive, non-magnetic, and deliver superior resistance to corrosion and chemical fumes, but are more expensive than aluminum. Material specifications: - Aluminum: 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: Type 303 stainless, passivated