10 x 3" Pozidriv CSK Wood Screws Zinc (Box of 200)
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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Description
Reliable Timber Fastening with 10 x 3" Pozidriv CSK Wood Screws Zinc
Finding the right balance between rapid driving speeds and dependable structural grip can be a challenge on demanding timber projects. Longer fixings often suffer from cam out problems, sheared heads under torque load, or slow thread engagement that drains power tool batteries and slows down your workday. The 10 x 3" Pozidriv CSK Wood Screws Zinc (Box of 200) provides a trade trusted solution engineered specifically to overcome these daily workshop and site frustrations.
Crafted with a traditional twin thread configuration, these versatile 5.0 x 75mm screws insert at twice the speed of standard single thread alternatives while offering immense pull out resistance. Whether you are framing substantial soft timber joists, securing battening, fixing hardware, or pairing screws with wall plugs for solid masonry work, these fasteners deliver clean flush finishes without demanding unnecessary effort from the installer.
Supplied in a heavy duty trade box of 200 pieces, this pack gives carpenters, joiners, and general builders a reliable supply of dependable fixings. The zinc plated protective finish resists general moisture in dry interior conditions and sheltered work, keeping joints rock solid through seasonal timber movement.
Core Engineering and Site Performance
Stage 1 Rapid Initial Bite
Featuring a sharp 25 degree gimlet point matched with a single lead start, each screw grabs immediately upon contact. You will experience zero wandering across timber faces, preventing surface marking and enabling clean one handed driving in tight spots.
Stage 2 High Speed Insertion
The balanced 60 degree twin thread geometry drives deeply with every full turn of your driver bit. This dual helical profile cuts installation times in half compared to single thread patterns, reducing motor strain and battery wear across full day fixing tasks.
Stage 3 Secure Clamping Action
With threading running along the shank from 1 and 1/4 inches, the smooth upper shank pulls timber components tightly together. This prevents jacking between mating surfaces, ensuring rigid joist connections, base plate assemblies, and heavy batten runs.
Stage 4 Flush Double Countersinking
The double countersunk head design reinforces the transition between the head and shank to prevent head shearing. It neatly compresses surrounding timber fibres for a clean, flat surface finish that sits perfectly flush without splitting delicate edges.
Versatile Applications for Trade and DIY
The 10 x 3" Pozidriv CSK Wood Screws Zinc (Box of 200) serves an extensive variety of structural and joinery tasks. At three inches in length, they offer ample penetration when joining thick structural softwoods such as carcase framing, roof battening, internal partition studwork, and floorboarding. The generous 10 gauge thickness provides outstanding lateral shear strength, giving confidence on projects where stability matters.
These fixings also excel in brickwork, blockwork, and concrete when paired with suitable brown nylon or plastic wall plugs. The parallel shank ensures equal expansion along the plug channel, locking securely into masonry substrate for wall plates, heavy shelving brackets, pipe clips, and electrical trunking. Finished in a smooth zinc electroplating, the screws resist corrosion in typical internal humidity, remaining easy to service or remove if building layouts change later on.
Trade Tip for Optimal Driving
Always match these fixings with a genuine PZ2 driver bit in good condition. The parallel ribs of a true Pozidriv recess stop driver slip and eliminate the upward thrust common with traditional Phillips patterns, ensuring seamless power transfer and extended driver bit life.
Technical Specifications
| Specification | Measurement or Value | Practical Details |
|---|---|---|
| Imperial Dimensions | 10 x 3 Inch | Traditional gauge and length designation for framing |
| Metric Dimensions | 5.0 x 75 mm | Compatible with modern metric timber dimensions |
| Gauge (Imperial) | No. 10 Gauge | Heavy duty shank thickness for excellent shear resistance |
| Recess Type | Cross Recess Pozidriv (PZ) | Reduces cam out under sustained impact torque |
| Driver Bit Size | PZ2 (No. 2) | Standard bit found across all standard site bit sets |
| Head Type | Double Countersunk | Reinforced head neck prevents shearing and sits flush |
| Thread Configuration | 60 Degree Twin Thread | Parallel shank for quick entry and maximum pull out hold |
| Thread Coverage | Partially Threaded | Threads begin from 1 and 1/4 inches for tight clamping |
| Point Type | 25 Degree Sharp Point | Single lead start grabs swiftly without skidding |
| Plating and Finish | Bright Zinc Plated (BZP) | Protective coating against moisture in dry applications |
| Package Quantity | 200 Pieces | Sturdy cardboard box suited for site toolboxes |
Frequently Asked Questions
What driver bit should I use with these screws?
These screws are designed specifically for use with a standard No. 2 Pozidriv bit (PZ2). Do not use a Phillips bit, as Phillips tooling will not engage the recess correctly and will lead to premature slippage and bit wear.
Do I need to drill a pilot hole before driving into timber?
In standard softwoods such as pine, spruce, or fir, the sharp 25 degree gimlet point and single lead thread allow you to drive directly without predrilling. When working close to board ends or fixing into dense hardwoods, predrilling a pilot hole helps prevent timber splitting.
Can these woodscrews be used in outdoor installations?
The zinc electroplating provides reliable protection for internal timber fixtures, sheltered locations, and general dry carpentry. For permanent exterior landscaping, fencing, or coastal exposure, stainless steel or exterior coated fixings are advised.
Not Sure If This Fixing Is Right For Your Project?
If you need guidance on screw gauges, lengths, or substrate compatibility, the technical team at Doorfit is ready to help you choose the right hardware for your job.
Contact Our TeamSpecification
| Manufacturer | Timco |
|---|---|
| Finish | Zinc |

