Speed Nuts, Sheet Metal Nuts, or Tinnerman® nuts, are self-retaining, threaded, spring metal “U” shaped fasteners with prongs. Most speed nuts are designed for either machine screws or sheet metal screws, and can act as anti-vibration fasteners.

Diameters

are available on the FCH Network with Imperial/US diameters that range from #0 to 6 and with Metric diameters that range from M1 to M16. The length of is usually measured from the point to the underside of the head.

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