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10-Piece 1/2" Drive CR-MO Impact Spline Socket Set M5-M20

Specifications

Brand: Solid X
Type: Spline (XZN / Triple Square)
Material: CR-MO (Chromium-Molybdenum)
Drive Size: 1/2 Inch Square Drive
Sizes Included: M5, M6, M7, M8, M10, M12, M14, M16, M18, M20
Finish: Black Phosphate (Anti-Rust)

Solid X
10-Piece 1/2" Drive CR-MO Impact Spline Socket Set M5-M20

Solid X

10-Piece 1/2" Drive CR-MO Impact Spline Socket Set M5-M20

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Impact Spline (XZN / Triple Square) Sockets for European Vehicles

Tackle the specialist fasteners on modern European vehicles with the Solid X 10-Piece 1/2" Drive Impact Spline Socket Set. Also known as Triple Square or XZN, these 12-point fasteners are standard on VW, Audi and Mercedes driveshafts, cylinder heads and suspension. Forged from CR-MO (Chromium-Molybdenum), these sockets withstand impact and high torque without shearing the fine spline teeth or stripping the head.

M5 to M20 and 12-Point Torque Transfer

The set includes 10 sizes: M5, M6, M7, M8, M10, M12, M14, M16, M18 and M20, from small trim bolts to heavy transmission and hub bolts on commercial vans and performance cars. The 12-point design gives more contact than standard hex or Torx for higher torque transfer. 1/2" square drive fits impact wrenches. Black phosphate finish resists rust and workshop oils.

Key Features

  • 10-piece set: M5, M6, M7, M8, M10, M12, M14, M16, M18, M20
  • Spline (XZN / Triple Square) 12-point
  • CR-MO for impact wrenches; resists shearing
  • 1/2" square drive
  • For VW, Audi, Mercedes driveshaft, cylinder head, suspension
  • Black phosphate (anti-rust) finish

Free next day delivery.

What is a spline (XZN / triple square) socket?

Spline sockets, also called XZN or triple square, are 12-point drivers used on many VW, Audi and Mercedes fasteners, driveshafts, cylinder heads and suspension. They give more contact points than hex or Torx for higher torque transfer. This set is CR-MO and built for impact wrenches.

What sizes are included?

The Solid X set includes 10 pieces: M5, M6, M7, M8, M10, M12, M14, M16, M18 and M20. It fits 1/2" square drive impact wrenches and covers small trim bolts up to heavy transmission and hub bolts on commercial vans and performance cars.

Why use impact spline sockets instead of standard bits?

Spline bits have fine teeth that can shear in cheap steel under impact. These CR-MO impact spline sockets are forged to withstand high torque and impact without snapping the teeth or stripping the head, so you can remove stubborn European fasteners safely.

What does CR-MO mean for these sockets?

CR-MO (Chromium-Molybdenum) is heat-treated for high tensile strength and flex under impact instead of breaking. That’s important for spline/XZN bits, which are prone to shearing. Black phosphate finish resists rust and workshop oils.

Specifications

Brand: Solid X
Type: Spline (XZN / Triple Square)
Material: CR-MO (Chromium-Molybdenum)
Drive Size: 1/2 Inch Square Drive
Sizes Included: M5, M6, M7, M8, M10, M12, M14, M16, M18, M20
Finish: Black Phosphate (Anti-Rust)
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.