Bahco 4M-25-28 25mm & 28mm Flat Ring Spanner




  • 25mm & 28mm flat double ring wrench from Swedish tool manufacturer Bahco
  • High quality design, meeting standards ISO 1085, ISO 10103 and DIN 837
  • Includes dynamic-drive profile for minimal wear and tear to nuts and bolts

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Shipping Fees and Delivery Information
Free UK Delivery on orders over £50.00 including VAT

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Price Breaks

QuantityPrice Each
10 $32.62
25 $30.89

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Sometimes, you just need a tool that delivers what you need it too without unnecessary added complexities – and that’s why this 25mm & 28mm flat ring spanner fits the bill.

Straight and flat, simple it maybe but you are still getting the best design and quality from one of Europe’s leading tool manufacturers. Complete with Bahco’s 12 point dynamic drive profile, nuts and bolts will face less wear and tear, perfect for when you need to fasten or loosen fixings on a regular basis.

Likewise, you’ll find the micro-matt finish easy on your hands, giving your grip when you need it most. To top it all, it also meets the stringent standards required of ISO 1085, ISO 1013 and the German National Standards relating to tool manufacture, design, quality and use DIN 837.

A perfectly formed, powerful tool that will prove its worth time and again.


  • 25mm & 28mm flat double ring wrench
  • 275mm long with slimline profile for improved accessibility
  • Meets international standards ISO 1085, ISO 10103 and German standard, DIN 837
  • Made from high performance alloy steel
  • Benefits from Bahco’s 12 point Dynamic-Drive Profile for longer life for screws and nuts
  • Thin-walled heads with both sides chamfered for improved grip
  • Chrome plated micro matt finishing for a comfortable grip

Technical Details

ProductFlat Ring Spanner sizeFlat Ring Spanner lengthFlat Ring Spanner weight
4M-6-76x7 mm100 mm4.7 mm9.9 mm11.2 mm12 g
4M-8-98x 9 mm115 mm5.2 mm12.5 mm14 mm16 g
4M-10-1110x11 mm130 mm6.4 mm15.5 mm16.5 mm24 g
4M-12-1312x13 mm143 mm7.3 mm18.5 mm20.5 mm36 g
4M-14-1514x15 mm157 mm7.3 mm21 mm22.5 mm48 g
4M-16-1716x17 mm168 mm8.5 mm23.5 mm24.5 mm62 g
4M-17-1917x19 mm185 mm9 mm25.5 mm27 mm76 g
4M-18-1918x19 mm189 mm9.2 mm26 mm27.5 mm80 g
4M-20-2220x22 mm200 mm10.5 mm28 mm31.5 mm120 g
4M-21-2321x23 mm225 mm9.5 mm30 mm33 mm154 g
4M-24-2624x26 mm250 mm11 mm35 mm38 mm210 g
4M-24-2724x27 mm255 mm11 mm35 mm38 mm182 g
4M-25-2825x28 mm275 mm11 mm38 mm41 mm280 g
4M-27-2927x29 mm275 mm11 mm38 mm41 mm275 g
4M-30-3230x32 mm285 mm12.8 mm42.5 mm45 mm280 g

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