Bahco 9573 39mm Heavy Duty Adjustable Spanner




  • Side nut adjustable spanner with maximum jaw opening of 39mm
  • Rubber handle for superior and comfortable grip
  • Design and manufacture exceeds standards laid down in ISO 6787 and ASME B107.8-2003

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QuantityPrice Each
10 $71.77
25 $67.99

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Suitable for heavy duty application, the smooth movement, performance and precision offered will make it a well-used tool across a range of applications.

This 39mm adjustable spanner is ergonomically designed, the thermoplastic elastomer handle distributes pressure evenly, making the use of this tool much kinder to your hand and wrist and with a 15° angled head, it ensures optimal reach.

Reducing potential slippage is also key to investing in this side nut adjustable spanner, a feature that contributes directly to it being a precision tool.

Forged from one piece of alloy steel (308mm in length) to minimise failure, the spanner is also precision hardened and finishes with an anti-corrosion treatment that assures both a long and useful life.

With a left turning side nut, the jaw can be easily and quickly adjusted to the size needed using the graduated scale on the head. The maximum opening on this adjustable wrench is 39mm.

The design and performance of this wrench exceeds that of some of the most stringent standards. It surpassed standards set by ISO 6787 by 125% and those laid down by the American Society of Mechanical Engineers by 20%. 


  • Parallel jaws placed at a 15° angle provide a firm grip and optimal reach.
  • Scale marked on the head in mm for easy adjustment and accuracy
  • Ergonomically designed thermoplastic elastomer handle distributes pressure uniformly across the hand and wrist
  • Rubber handle tolerates variations in temperature, grease and oil and also reduces slippage
  • Made from high-performance alloy steel forged in one piece for ultimate strength
  • Precision-hardened and anti-corrosion treated
  • Features a left turning screw for jaw adjustment
  • Conforms to standards ISO 6787, DIN 3117, ASME B107.8-2003 and BS 6333.

Technical Details

  • Maximum jaw opening - 39mm 
  • Length - 308mm
  • Weight - 750g

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