Torque wrench end fitting Wera 7770 Silver 8 mm

The Wera 7770 Silver 8 mm torque wrench end fitting is an open-end insert designed for use with hexagon screw heads and nuts. It is made of chrome-vanadium steel for higher load resistance and is intended for torque wrenches of the Click-Torque X series with a 9x12 mm holder. The compact metal adapter measures approximately 39 mm in length and is supplied as a single piece.

Advantages

The end fitting provides precise engagement with 8 mm hexagon fasteners and includes a safety pin to prevent unintended detachment. Its chrome-vanadium steel construction offers improved durability under heavy loads, while the silver finish gives a corrosion-resistant surface. The 9x12 mm spigot ensures compatibility with Click-Torque X series torque wrenches that accept this mounting size.

Suitable for

• Working with 8 mm hexagon screw heads and nuts
• Use on Click-Torque X series torque wrenches with 9x12 mm holder
• Applications requiring repeatable, accurate torque settings

Key specifications

• Type: Open end insert for hexagon screw heads or nuts
• Hex size (metric): 8 mm
• Spigot size (W x H): 9 x 12 mm
• Material: Chrome-vanadium steel (Cr-V)
• Finish: Silver
• Length: 39 mm
• Quantity per pack: 1 pc
• Made in: Taiwan

How to use

Attach the 9x12 mm spigot of the end fitting into the holder of a compatible Click-Torque X series torque wrench until the safety pin engages. Place the 8 mm open end over the hexagon head or nut and apply torque using the wrench according to the torque setting required. After use, remove the fitting by withdrawing the safety pin and pulling the adapter from the wrench holder.

Usage recommendations

Verify compatibility with your Click-Torque X torque wrench model before use, ensure the safety pin is properly engaged during operation, and use the fitting within the torque limits specified for your torque wrench to avoid tool or fastener damage.