Double open ended spanners

Double open ended spanners


Artikel-Nr. 40431620|EAN 4018754019724
  • STAHLWILLE: For over 160 years, we as a traditional German company from Wuppertal have stood for tools that are appreciated around the world for their excellent quality


CodeSize [inch]Size 1 [inch]Size 2 [inch]Length mm (L)b1b2aWeight
404316201/4 x 5/16 "1/4 "5/16 "140 mm16 mm18 mm4 mm21 g
404320245/16 x 3/8 "5/16 "3/8 "140 mm18 mm23 mm4,5 mm34 g
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404324283/8 x 7/16 "3/8 "7/16 "155 mm23 mm26 mm4,8 mm48 g
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404328327/16 x 1/2 "7/16 "1/2 "170 mm26 mm30 mm5,3 mm58 g
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404332341/2 x 9/16 "1/2 "9/16 "190 mm30 mm32 mm5,3 mm73 g
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404334369/16 x 5/8 "9/16 "5/8 "205 mm32 mm36 mm5,8 mm96 g
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4043353819/32 x 11/16 "19/32 "11/16 "205 mm35 mm40 mm5,8 mm105 g
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404336385/8 x 11/16 "5/8 "11/16 "205 mm36 mm40 mm5,8 mm101 g
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404336405/8 x 3/4 "5/8 "3/4 "220 mm36 mm42 mm6,7 mm135 g
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4043384011/16 x 3/4 "11/16 "3/4 "220 mm40 mm42 mm6,7 mm135 g
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4043384211/16 x 13/16 "11/16 "13/16 "235 mm40 mm47 mm7,3 mm167 g
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404340443/4 x 7/8 "3/4 "7/8 "235 mm42 mm49 mm7,3 mm177 g
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4043414225/32 x 13/16 "25/32 "13/16 "235 mm45 mm47 mm7,3 mm190 g
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404344467/8 x 15/16 "7/8 "15/16 "250 mm49 mm53 mm7,8 mm235 g
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4043464815/16 x 1 "15/16 "1 "270 mm53 mm55 mm8,3 mm270 g
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404352581 1/8 x 1 5/16 "11/8 "15/16 "300 mm64 mm75 mm9,4 mm502 g
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Technologien und Leistungsmerkmale

Double T-profile.

The double T-profile used for the STAHLWILLE open-jaw and ring spanners saves material where it is not needed and guarantees two things at once: peak dimensional stability and extremely low weight, whichever spanner size you pick up. As a result, tool-kits from STAHLWILLE weigh considerably less. But that is not all: the double T-profile from STAHLWILLE fits snugly in the hand, allows fatiguefree working and can be gripped comfortably and safely. This also increases user safety.


    • Straight design, jaw position 15°
    • Sturdy, slim and lightweight intelligent design
    • High bending strength due to double T-profile
    • STAHLWILLE’s round finish ensures a surface that is pleasant to the skin and has a good grip
    • Extremely sturdy, exceptionally durable
    • Drop-forged, hardened and cooled in oil bath
    • Chrome-alloy steel, chrome plated


More robust.

When force is applied to a spanner, the greatest force acts on the area between the jaw and the shank, which is why STAHLWILLE spanners are reinforced at this point. The special design makes the load zones more resilient, which reduces the risk of breakage to a minimum.

More Choice.

As one of only a few manufacturers, STAHLWILLE offers a comprehensively diverse range of metric, imperial, spline drive and TORX® spanners.

More Accurate.

Our very tight manufacturing tolerances and reproducible dimensional accuracy ensure that one STAHLWILLE spanner is as close-fitting as the next. In this way, both open-jaw and ring spanners will always firmly hug the fastener head – for excellent power-lock.


Produktdatenblatt: STAHLWILLE_40431620_10 A 1-4 X 5-16_en.pdf
PDF | 0.64 MB
Konformitaetserklaerung: REACH_KE_01-Schluessel.pdf
PDF | 0.12 MB
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