ENGINEER Neji-Saurus Screw Removal Pliers - PZ-68
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Product Information
Full details
The ENGINEER Neji-Saurus PZ-68 is a professional-grade solution for mechanics, DIY enthusiasts, and technicians who struggle with damaged, rusted, or stripped screw heads. Its primary benefit is the specialized vertical jaw serrations that provide an iron-clad grip on screw heads that standard tools simply cannot move. While it offers unmatched utility for extraction, users should note that its specialized design is optimized specifically for screw heads within a 3 to 9.5 mm diameter range, making it less effective for extremely large fasteners or non-screw hardware.
All features
| Model Part Number | PZ-68 |
|---|---|
| Brand | ENGINEER |
Extended Product Information
FAQs
Can I use the PZ-68 on countersunk screws?
If the screw head is completely flush or recessed, there may not be enough surface area for the jaws to grip. The tool is best used on screws where the head is at least partially exposed.
What is the maximum screw size these pliers can handle?
The PZ-68 is designed for screw head diameters ranging from 3 mm to 9.5 mm.
Do these pliers rust?
While made of high-quality materials, they are susceptible to rust if stored in damp conditions. Wipe them clean and dry after use.
Can these be used to cut wire?
The PZ-68 is a specialized screw extraction tool. Using it to cut hardened wire can damage the vertical serrations and reduce its effectiveness for screw removal.
Is the spring replaceable?
The automatic opening spring is integrated for durability. If the action feels stiff, a drop of machine oil at the pivot point usually restores smooth operation.
Will this work on hex bolts?
Yes, the vertical serrations can grip the flat surfaces of a hex bolt head, providing an alternative when a standard wrench or socket fails.
Troubleshooting
Pliers slipping off the screw head
Ensure you are using the vertical serrations specifically designed to bite into the head. Press harder on the handles to increase the gripping force before attempting to turn.
Difficulty turning extremely seized screws
Apply a penetrating oil (such as WD-40) to the screw threads and allow it to sit for several minutes before attempting extraction with the pliers.
Pros and Cons
Pros
- Exceptional grip on stripped or rusted screw heads
- One-handed operation via spring-loaded design
- No need for manual width adjustments
- Provides high leverage for tough fasteners
- Durable construction for long-term reliability
Cons
- Limited to screw head diameters between 3 mm and 9.5 mm
- Not intended for use as a standard heavy-duty gripping plier
- Requires enough exposed screw head to grip
Setup, Compatibility & Care
The PZ-68 requires no setup; it is ready to use out of the packaging. It is compatible with screw heads measuring 3 mm to 9.5 mm in diameter. To ensure longevity, keep the pivot joint lubricated with a light machine oil and avoid using the tool as a hammer or pry bar. After working in corrosive environments, such as removing rusted automotive screws, wipe the jaws clean with a dry cloth and apply a light coat of oil to prevent surface oxidation.