Tension / Extension Springs are in the group Industrial Hardware. Industrial Hardware is another of the wide range of products sold to manufacturers along with fasteners. These items, which are often used with fasteners to assemble machinery and products, can vary from items as simple as O-Rings and Oil Seals, through grease fittings and grommets, to torsion springs and sprockets.
Extension Springs Diameters
Extension Springs are available on the FCH Network with Imperial/US diameters that range from #1 to 4 and with Metric diameters that range from M3 to M16.
Extension Springs Finishes
Extension Springs are available on the FCH Network in finishes or coatings that range from Plain to Phosphate