JCP Fixings Woodfix Self-Drilling Screws - 5.5 x 85mm - Box of 100
Discover the reliability of Jcp Fixings Woodfix Self-Drilling Screws, designed for heavy section a...Discover the reliability of Jcp Fixings Woodfix Self-Drilling Screws, designed for heavy section applications. These screws are perfect for various woodworking projects, ensuring a secure and durable hold. Self-Drilling Design: Eliminates the need for pre-drilling, saving time and effort. Heavy Section Capability: Ideal for use in thick materials, providing strong fastening. Durable BZP Finish: Offers corrosion resistance for long-lasting performance. Convenient Packaging: Supplied in a bag of 20 for easy storage and use. Versatile Application: Suitable for a range of woodworking tasks, from construction to DIY projects.
B&Q - Woodfix Self-Drilling Screws 5.5 X 85mmFjjbwfh55085Heavy SectionBox Of 100Free delivery in 1–3 days£18.74Visit shop →
B&Q - Woodfix Self-Drilling Screws 5.5 X 109mmFjjbwfh55109Heavy SectionBox Of 100Free delivery in 1–3 days£23.05Visit shop →
Product Information
Full details
This guide is for woodworkers and DIY enthusiasts tackling heavy section applications. The JCP Fixings Woodfix Self-Drilling Screws offer a key benefit of eliminating the need for pre-drilling, saving significant time and effort on larger projects. A potential caveat is that their specific size (5.5 x 85mm) may not be suitable for all materials. These screws are designed for robust wood fastening, featuring a self-drilling tip for direct insertion into thick materials, a durable BZP finish for corrosion resistance, and are conveniently supplied in a box of 100 for project continuity.
All features
Model Part Number
Fjjbwfh55085
Brand
JCP Fixings
Extended Product Information
FAQs
Do I need to pre-drill holes for these screws?
No, the JCP Fixings Woodfix screws feature a self-drilling tip designed to penetrate wood directly without the need for pre-drilling.
What type of wood can these screws be used in?
These screws are suitable for both softwood and hardwood applications, as well as wood-based composite materials.
What is the BZP finish for?
BZP stands for Bright Zinc Plated. This finish provides a layer of protection against corrosion and rust, extending the lifespan of the screw.
What is the main advantage of self-drilling screws?
The primary advantage is the time saved by eliminating the step of pre-drilling pilot holes, making the fastening process faster and more efficient.
How many screws are in a box?
These specific screws (5.5 x 85mm) are supplied in a box of 100 units.
Can I use these screws for outdoor projects?
Yes, the BZP finish offers good corrosion resistance, making them suitable for many outdoor woodworking projects. For extremely harsh environments, further protection might be considered.
What size driver bit do I need?
Typically, a Phillips (PH) or Pozidriv (PZ) bit is required, matching the recess in the screw head. Check the screw packaging for the exact recommended bit type and size.
Troubleshooting
Screw does not self-drill or stalls
Ensure your drill/driver has sufficient power and torque. Check that the wood is not excessively dense for the screw size. Try a slightly slower drill speed with firm pressure.
Screw head strips during driving
Use the correct type and size of driver bit. Ensure the bit is firmly seated in the screw head. Reduce driving speed and pressure if the screw is close to being fully seated.
Screw fails to provide a strong hold
Verify that the screw is long enough for adequate penetration into the second piece of material. Ensure the wood is sound and not rotten or excessively dry.
BZP finish appears damaged
Handle screws with care during installation. If minor damage occurs, consider using a touch-up paint suitable for metal if aesthetics are critical, though structural integrity should remain intact.
Pros and Cons
Pros
Saves time by removing the need for pre-drilling.
Provides a strong and secure hold in thick timber.
Corrosion-resistant finish for durability.
Suitable for a broad range of woodworking tasks.
Cons
The 85mm length may be too long for thinner materials.
BZP finish may not be sufficient for extremely harsh marine or industrial environments.
Requires a suitable driver bit for proper installation.
Setup, Compatibility & Care Instructions
Setup:
Ensure you have a power drill or impact driver with a compatible bit (typically Phillips or Pozidriv, check screw head marking).
Select the appropriate screw size for your material thickness. The 5.5 x 85mm size is designed for joining thicker timber sections.
Align the pieces of wood to be joined.
Position the screw tip on the surface where you want to fasten.
Drive the screw using your drill, applying steady pressure until it is fully seated and the joint is secure.
Compatibility:
These screws are designed for use in wood and wood-based composite materials.
They are suitable for softwood and hardwood applications.
Ensure your drill/driver has sufficient torque to drive an 85mm screw through your chosen wood.
Care:
Store screws in a dry environment to maintain the integrity of the BZP finish.
Avoid prolonged exposure to moisture or corrosive substances.
Clean any dust or debris from the screws before installation if they have been stored for an extended period.