Thread dimensions and spacing for user-mounted accessories
Context
The 2F-85 and 2F-140 adaptive grippers include two threaded holes on each side of the gripper. These holes are intended for users who want to attach custom accessories or tooling. This article provides the technical specifications for those holes.
Information
Hole Specifications
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Thread Type: M4 × 0.7 mm
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Depth: 6 mm (maximum recommended depth)
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Spacing: 12 mm center-to-center between the two holes on the same side
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Location: Identical configuration on both sides of the gripper body
These holes are not used by Robotiq or required for normal gripper operation. They are simply available for customer-designed accessories. No brackets or mounting hardware are included or offered by Robotiq for this purpose.
Visual Reference
The red arrows indicate the location of the accessory mounting holes.
Conclusion
The accessory holes on the 2F-85 and 2F-140 grippers offer flexibility for integrating custom add-ons. Be sure to respect the thread and depth limits to maintain the gripper’s integrity.
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