The Tommy screw nut is a high‑quality, direct‑fit replacement for Stihl brushcutters and trimmers. Engineered to match the original dimensions (55 mm L × 70 mm W, 5 mm thread Ø), it slides seamlessly into the same mounting points as the OEM part (MPN 4140 790 7501).
Designed for a wide range of Stihl models—including FR85T, FR130T, FR131T, the entire FS series (FS55‑FS250), BT45 wood drill, PC75 harvester, and SP90T/SP92TC‑E—this nut restores the secure connection between the cutter head and the drive shaft, ensuring smooth operation and reliable performance in demanding vegetation control tasks.
Because it’s a compatible aftermarket component, you get the same durability and fit at a fraction of the price of a brand‑new OEM part. Ideal for DIY maintenance or professional service, the Tommy screw nut helps keep your brushcutter running at peak efficiency without compromising safety.
Key specs
– Length: 55 mm
– Width: 70 mm
– Thread diameter: 5 mm
Upgrade your Stihl equipment today with this dependable, easy‑install screw nut and enjoy hassle‑free cutting every time.
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