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9141 HGV Brake Caliper Wrench - 20mm Bi-Hex

3/4" Drive Hex Profile BI-HEX Profile

A 3/4"D brake caliper wrench for releasing and refitting brake caliper mounting bolts on commercial vehicles. These caliper mounting bolts are tightened to high torque figures, this slogging wrench, designed with a 3/4" drive and two impact striking faces, is designed to get the bolts loose.

  • Size: 20mm Bi-Hex (12pt).
  • Designed for loosening & tightening brake caliper fixing bolts.
  • When using in combination with a torque wrench, always use the correction factor formula that is etched on the wrench. Use with 3/4"D torque wrench.
  • Manufactured from S45C steel (hardness HRC 38-42) with a black phosphate finish.
  • Other available sizes include: 24mm Bi-Hex offset (Part No. 9142), 26mm Bi-hex (7641), 26mm hex (7342), 18mm (9136), 21mm (8538), 22mm (7340), 24mm (7341), 27mm (7343), 30mm (8537), E18 (8341), E20 (8342), E24 (8343).
List Price: £52.84 ex VAT £63.41 inc VAT

Bremssattelschlüssel mit 3/4"-Antrieb zum Lösen und Wiedereinsetzen von Bremssattel-Befestigungsschrauben an Nutzfahrzeugen. Diese Bremssattel-Befestigungsschrauben werden mit hohen Drehmomenten angezogen. Dieser Schlagschrauber mit 3/4"-Antrieb und zwei Schlagflächen wurde entwickelt, um die Schrauben zu lösen.

  • Größe: 20 mm – Doppelsechskant (12-Punkt).
  • Zum Lösen und Anziehen der Bremssattel-Befestigungsschrauben.
  • Bei der Verwendung in Kombination mit einem Drehmomentschlüssel immer die auf dem Schlüssel angegebene Formel für den Korrekturfaktor verwenden. Verwendung mit Drehmomentschlüssel mit 3/4"-Antrieb.
  • Aus S45C-Stahl (Härte HRC 38-42) in schwarz phosphatierter Ausführung.
  • Weitere verfügbare Größen sind: 24 mm Doppelsechskant gekröpft (Teile-Nr. 9142), 26 mm Doppelsechskant (7641), 26 mm Einfachsechskant (7342), 18 mm (9136), 21 mm (8538), 22 mm (7340), 24 mm (7341), 27 mm (7343), 30 mm (8537), E18 (8341), E20 (8342), E24 (8343).
List Price: £52.84 ex VAT £63.41 inc VAT

Clé pour étrier de frein à carré de 3/4" permettant de desserrer et de remonter les boulons de fixation des étriers de frein sur les véhicules utilitaires. Ces boulons de fixation d'étriers sont serrés à des couples élevés. Cette clé à frapper, à carré de 3/4" et deux faces de frappe, est conçue pour desserrer les boulons.

  • Dimensions : 20 mm - 12 pans.
  • Conçue pour desserrer et remonter les boulons de fixation des étriers de frein.
  • En cas d'utilisation en combinaison avec une clé dynamométrique, toujours utiliser la formule du facteur de correction qui est gravée sur la clé. À utiliser avec une clé dynamométrique à carré de 3/4".
  • En acier S45C (dureté HRC 38-42) avec fini au phosphate noir.
  • Autres tailles disponibles : 24 mm 12 pans tête décalée (référence 9142), 26 mm 12 pans (7641), 26 mm 6 pans (7342), 18 mm (9136), 21 mm (8538), 22 mm (7340), 24 mm (7341), 27 mm (7343), 30 mm (8537), E18 (8341), E20 (8342), E24 (8343).
List Price: £52.84 ex VAT £63.41 inc VAT
3/4" Drive Hex Profile BI-HEX Profile
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Press Release
New 20mm Bi-Hex Wrench from Laser Tools — Built for HGV brake work

Laser Tools expands its heavy-duty HGV range with the introduction of the HGV Brake Caliper Wrench (part number 9141), a 20mm bi-hex slogging wrench engineered for the demanding job of releasing and refitting brake caliper mounting bolts on commercial vehicles.

These bolts are typically torqued to high levels, and the 9141 is built to take the strain. With a robust 3/4" drive and dual impact faces, this wrench is designed for use with a hammer or mallet, providing the force needed to crack stubborn fasteners loose.

Manufactured from toughened S45C steel (HRC 38–42) and finished with black phosphate for corrosion resistance. For tightening, the wrench features a correction factor formula etched directly onto the body—essential when used with a 3/4" torque wrench to ensure precise torque application.

  • Size: 20mm Bi-Hex (12-point) with 3/4"D slogging drive.
  • Ideal for loosening/tightening HGV brake caliper bolts torqued to high spec.
  • Features tightening torque correction factor etched on the wrench body.
  • Manufactured from hardened S45C steel with black phosphate finish.
  • Compatible with 3/4" torque wrenches.
  • Additional sizes available: 18mm (part no 9136), 21mm (8538), 22mm (7340), 24mm (7341), 24mm bi-hex offset (9142), 26mm bi-hex (7641), 26mm hex (7342), 27mm (7343), 30mm (8537), Torx®E18 (8341), E20 (8342), and E24 (8343).
Whether you're in the workshop or on a roadside call-out, this tough tool gets the job done without the struggle. Available now for purchase from your Laser Tools stockist and online retailers.

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