Loom Heatsink kit (5.5mm OD)

• Gold plated copper heatsink post
• 5.5mm di, 30mm high with M3 ss screw
• Molybdenum washers and SS Caphead screw included

Molybdenum cryogenically tightening washers

• 99.95% Pure molybdenum, contraction only 30% that of copper at 4K and 77K
• Minimum qty - pack of 10 washers, priced per washer