Version:

Drop-forged.
With close tolerance jaw width.
With easy-grip fluted shaft.
Optimum flex resistance, good torque transmission.

Standard:

DIN 3113 B / ISO 3318 / ISO 7738 Material:

Chrome alloy steel, non-flaking chrome-plated over nickel; smoothed finish.

Note:

AS-Drive − the special profile.
An extremely accurately fitting profile – developed for aviation and aerospace.
Tools with this profile can be recognised by the AS-Drive symbol.

Advantages:

Bolts are gripped on the flanks.
− The bolts are protected.
− Longer bolt life.
Larger contact surfaces between bolt and tool.
− Secure grip and higher torque transmission.

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