Standard 25mm Pozi screwdriver bits in PZ1, PZ2, and PZ3, available in packs of 10 and 25 for trade and site use with cordless drills and electric screwdrivers.
- Cam-out resistance: Pozidriv geometry resists tip ride-out better than Phillips under higher torque
- Three sizes covered: PZ1, PZ2, and PZ3 ordered individually by size for precise stock control
- Bit length: 25mm across all three sizes and both pack quantities
- Shank: 1/4" hex, fits all cordless drills and electric screwdrivers
- Pack options: 10-piece for job-specific supply, 25-piece for high-volume site use
- Drive type: Pozidriv, compatible with all PZ-headed fasteners
Pozi Screwdriver Bits 25mm - PZ1 PZ2 and PZ3 - Packs of 10 and 25
Standard 25mm Pozi screwdriver bits in PZ1, PZ2, and PZ3, available in packs of 10 and 25 for trade and site use with cordless drills and electric screwdrivers.
- Cam-out resistance: Pozidriv geometry resists tip ride-out better than Phillips under higher torque
- Three sizes covered: PZ1, PZ2, and PZ3 ordered individually by size for precise stock control
- Bit length: 25mm across all three sizes and both pack quantities
- Shank: 1/4" hex, fits all cordless drills and electric screwdrivers
- Pack options: 10-piece for job-specific supply, 25-piece for high-volume site use
- Drive type: Pozidriv, compatible with all PZ-headed fasteners
Pozi screwdriver bits 25mm
Pozidriv is the dominant drive system across UK construction, joinery, and fit-out trades, specified on the majority of wood screws, drywall screws, and chipboard screws used on site. These 25mm Pozi screwdriver bits cover PZ1, PZ2, and PZ3, the three sizes that handle virtually every Pozi-headed fastener a trade operative encounters. Both 10-piece and 25-piece packs are available per size, so whether you are stocking a single operative or supplying a full site team, the right quantity is available without overspending on bits you do not need.
Why choose the Pozi screwdriver bits 25mm
-
Pozidriv geometry: The secondary recesses and near-vertical drive flanks of Pozidriv give significantly better cam-out resistance than Phillips at equivalent torque. On a cordless drill set to a higher clutch setting, a PZ bit stays in the recess where a PH bit would ride out and strip the head.
-
All three sizes in one range: PZ1, PZ2, and PZ3 are each available independently, so you order exactly what your jobs require. No mixed packs forcing you to stock sizes you rarely use.
-
Two pack sizes per variant: The 10-piece pack suits project-specific or smaller team use. The 25-piece pack is the better choice for high-volume fixing work where a single operative can go through several bits in a day.
-
25mm length across all sizes: The standard bit length for cordless drill and electric screwdriver use, compatible with all magnetic bit holders and quick-release chucks without modification.
-
1/4" hex shank: Fits every cordless drill, electric screwdriver, and bit holder with a 1/4" hex chuck or quick-release mechanism. No adapters required.
-
Hardened steel construction: Hardened for extended tip life on repetitive fixing tasks, resisting the deformation that cheaper ungraded Pozi bits show after moderate use.
What's included
-
10 or 25 x 25mm Pozi screwdriver bits in your selected size: PZ1, PZ2, or PZ3
Specifications
| Specification | Detail |
|---|---|
| Product Name | Pozi Screwdriver Bits 25mm - PZ1 PZ2 and PZ3 - Packs of 10 and 25 |
| Product Code | FF11000-PZ |
| Drive Type | Pozidriv (PZ) Cross-Head |
| Available Sizes | No.1 (PZ1), No.2 (PZ2), No.3 (PZ3) |
| Bit Length | 25mm |
| Shank Type | 1/4" Hex |
| Construction | Hardened Steel |
| Pack Options | 10 Pieces or 25 Pieces per size |
| Application | Cordless Drills, Electric Screwdrivers, Manual Screwdrivers |
Compatibility
| Compatible with | Status |
|---|---|
| Cordless drills with 1/4" hex chuck | ✓ Compatible |
| Electric screwdrivers with 1/4" chuck | ✓ Compatible |
| Magnetic bit holders (1/4" hex) | ✓ Compatible |
| Quick-release bit holders | ✓ Compatible |
| Manual screwdrivers with 1/4" hex fitting | ✓ Compatible |
| Impact drivers | ✗ Not recommended |
| SDS machines (direct fit, no adapter) | ✗ Not recommended |
| Phillips, Torx, or other drive fasteners | ✗ Not recommended |
Who is this for?
Pozi screwdriver bits are used daily by joiners, dryliners, shopfitters, groundworkers, and general site operatives. PZ2 is the most common size across UK construction and covers the vast majority of wood screws, chipboard screws, and drywall fixings. PZ1 is used in smaller gauge screws in cabinetry and electrical work, and PZ3 handles larger, heavier-headed fasteners in structural and heavy joinery applications.
Typical applications
-
Drywall and partition installation using PZ2 drywall screws into steel and timber studwork
-
Joinery and shopfitting with PZ2 and PZ3 wood screws across softwood, MDF, and chipboard
-
Kitchen and furniture installation requiring PZ1 and PZ2 for cabinet fixings and hinges
-
Decking and cladding with PZ2 coated timber screws in exterior applications
-
First and second fix carpentry using PZ2 across a wide range of fastener sizes
-
General site maintenance tasks involving Pozi-headed machine screws and self-tappers
How to use
-
Select the correct Pozi size: PZ1 for small-gauge screws, PZ2 for standard construction and joinery fixings, PZ3 for heavy-headed or large-gauge fasteners.
-
Insert the 1/4" hex shank into your drill chuck or quick-release bit holder until fully seated.
-
Align the bit squarely in the fastener recess before applying power. A skewed angle is the primary cause of cam-out and head damage.
-
Apply firm forward pressure throughout the drive. Pozidriv relies on consistent tip-to-recess contact: releasing pressure mid-drive allows the bit to ride out.
-
Set the clutch to the correct torque for your fastener and substrate to avoid over-driving and recess damage.
-
Store unused bits in the original pack to protect tip geometry between uses.
Safety
Wear safety glasses when operating a cordless drill or electric screwdriver: bit fragments can be ejected at speed if a bit fails or cams out under load. Secure all workpieces before driving to prevent movement under torque. Do not use these standard Pozi bits in an impact driver as they are not impact-rated and will deform or snap under rotational impulse loading.
Maintenance
Inspect the Pozidriv tip regularly. Wear shows as rounding or chipping across the main cross arms and secondary recesses: a worn tip will cam out under load and should be replaced immediately. At this pack size, bit replacement is low cost relative to the time lost to stripped fastener heads. Store bits dry and in the original pack to prevent tip corrosion between jobs.
Frequently Asked Questions
Q: What is the difference between PZ1, PZ2, and PZ3 Pozi bits?
A: The number refers to the size of the Pozidriv profile. PZ1 suits smaller gauge screws in electrical and cabinetry work. PZ2 is the most widely used size in UK construction and covers the majority of wood, drywall, and chipboard screws. PZ3 is for larger, heavier-headed fasteners in structural and heavy joinery applications.
Q: What is the difference between Pozidriv and Phillips drive?
A: Pozidriv has additional secondary recesses between the main cross arms and near-vertical drive flanks that resist cam-out under higher torque. Phillips has tapered flanks designed to disengage under excess load. The two are not interchangeable: using a Phillips bit in a Pozi fastener, or vice versa, will strip the head.
Q: How do I tell a Pozi fastener from a Phillips fastener?
A: Pozi fasteners have small additional marks between the four main cross arms, either dots or short lines. Phillips fasteners have a plain cross with no secondary markings. If in doubt, use the correct bit for the fastener type stamped on the screw packaging.
Q: Can I use these bits in an impact driver?
A: No. These are standard Pozi bits, not impact-rated. Impact drivers deliver rotational impulse loading that will deform or snap standard bits quickly. Use impact-rated PZ bits for impact driver applications.
Q: Which pack size should I order, 10 or 25?
A: The 10-piece pack suits project-specific or smaller team use where one size is needed in moderate quantity. The 25-piece pack is the better choice for high-volume site work where a single operative drives several hundred fixings per day and bit consumption is higher.
Q: How long should a Pozi bit last before replacing?
A: In softwood with a correctly set clutch, a PZ2 bit will typically drive several hundred fixings before showing visible tip wear. Hardwood, dense MDF, and high-torque settings wear bits faster. Replace as soon as the cross-head arms show rounding to avoid stripping fastener heads.
Q: What tools are these bits compatible with?
A: The 1/4" hex shank fits every cordless drill, electric screwdriver, and magnetic bit holder with a 1/4" chuck or quick-release mechanism. They are not recommended for use in impact drivers or SDS machines without a separate adapter.
Q: Where can I order these bits and what are the delivery options?
A: Order directly from cmt.co.uk. CMT Group runs a fleet of over 100 vehicles covering 90% of the UK, with next working day delivery on orders placed by 7pm online. The 25-piece packs are well suited to trade account ordering through the EDGE portal where agreed pricing and full order history are available.
