Facom Adjustable Tap Wrench - 831.2
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Product Information
Full details
The Facom 831.2 Adjustable Tap Wrench is designed for professional mechanics and metalworkers who require precise, reliable manual threading capabilities. Its primary benefit is the combination of a robust pressure-cast zamak body and precision-machined, hardened steel clamps that ensure an exceptional grip on taps ranging from M4 to M12. While this tool is built for longevity and durability, users should note that its 300mm fixed length is optimized for standard workshop tasks and may be cumbersome in extremely tight or confined machinery spaces.
All features
| Model Part Number | 831.2 |
|---|---|
| Brand | Facom |
Extended Product Information
FAQs
Can I use this for taps larger than M12?
No, the clamps are engineered specifically for the M4 to M12 range; attempting to use larger taps may damage the tool.
Is the handle removable?
The handle serves as the adjustment mechanism for the clamps and is not designed to be removed during standard operation.
How do I ensure the thread is straight?
Use a tapping guide or start the tap with a drill press spindle (without power) to maintain a 90-degree angle to the surface.
Can I use this with round-shank taps?
The 831.2 is designed for square-shank taps; it may not provide enough grip for round-shank tools without a dedicated collet adapter.
What material is the body made of?
The body is constructed from pressure-cast zamak, a durable zinc alloy known for its stability and resistance to impact.
Troubleshooting
The tap slips during use
Ensure the square shank of the tap is perfectly centered within the clamps and tighten the wrench handle firmly.
Adjustment mechanism feels stiff
Clear any trapped metal chips from the internal threading and apply a light machine lubricant to the internal screw.
Pros and Cons
Pros
- High-grade, durable materials built for professional use
- Excellent grip strength prevents tap slippage
- Broad range of compatibility for common M4-M12 sizes
- Ergonomic length provides optimal torque leverage
Cons
- Not suitable for micro-taps smaller than M4
- 300mm length may be too long for cramped engine bays
- Does not feature a ratcheting mechanism
Setup, Compatibility & Care
To set up the wrench, loosen the handle to open the clamps, insert the tap shank into the center, and tighten the handle until the clamps firmly lock the tap's square profile. Ensure the tap is centered to prevent thread misalignment.
Compatibility: This model is designed specifically for standard machine and hand taps sized between M4 and M12.
Care: Clean the tool after each use to remove metal shavings and cutting fluid. Store in a dry, grease-free environment. Periodically wipe the clamps with a light machine oil to prevent oxidation and ensure the threaded adjustment mechanism remains smooth.