Description
Overview:
The Key 4x4x14 is a genuine Stihl square-section drive key for securing rotating components on Stihl earth augers, including BT 308 and BT 309. Made from durable metal, it locks the drive element to the auger shaft, helping to transmit torque reliably and prevent slippage. Its compact 4 mm x 4 mm x 14 mm size (0.16 in x 0.16 in x 0.55 in) matches the original specification for a precise fit. This genuine part supports smooth, efficient operation and helps protect surrounding parts from wear caused by misalignment. Suitable for professional users and DIY owners, it is an uncomplicated, service-friendly item that restores correct engagement after routine servicing or when the original key shows signs of rounding or damage.
Key Features:
- Genuine Stihl part for assured compatibility and performance
- Correct size: 4 mm x 4 mm x 14 mm (0.16 in x 0.16 in x 0.55 in)
- Precision-made to seat firmly in the shaft and mating component
- Helps prevent slippage, misalignment, and premature wear
- Robust metal construction for dependable service life
- Simple to install during routine maintenance
- Stable, positive drive for consistent drilling performance
- Suitable for trade, hire fleet, and domestic users
Typical Applications:
Used to secure gears or other drive components to the auger shaft on Stihl earth augers during tasks such as fence post holes, landscaping, utilities groundworks, and soil sampling. Ideal when replacing worn keys, rebuilding gearboxes, or after shaft or drum replacement to restore reliable torque transfer.
Also known as:
Drive key, shaft key, square key, 4x4x14 key, auger drive key, replacement key for auger shaft, Stihl shaft key.
Fits Models:
BT 308, BT 309, BT 360
Alternate Part Numbers:
9470-435-0540, 94704350540
Product Specifications
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
