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HAF-PIN-HEX12X11/4
12 X 1 1/4" Tamper Resistant S.S.S Pin Hex Self Tapping Csk Screws (100 Bag)
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12 X 1 1/4" Tamper Resistant S.S.S Pin Hex Self Tapping Csk Screws
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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£32.42
Incl. VAT
£27.02
Excl. VAT
Incl. VAT
Excl. VAT
Incl. VAT
Excl. VAT
Price is for/per 100
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Description
DOORFIT ENGINEERING SUITE
When you are managing public-facing installations or high-traffic commercial environments, the physical security of your hardware is often the first line of defence. Standard fixing methods are frequently vulnerable to casual interference or opportunistic tampering, which can compromise the integrity of hinges, handles, and access plates. Our 12 x 1 1/4 inch tamper resistant pin hex self-tapping countersunk screws offer a robust solution designed to deter unauthorised removal, ensuring that once your hardware is fitted, it stays exactly where it belongs.
Choosing the right fastener involves balancing grip strength with long-term resistance to environmental stress. These stainless steel components are engineered specifically for applications where traditional screwdriver heads would be a liability. The unique pin hex drive system prevents the use of standard hex keys, requiring a specialised tool for adjustment or removal. This simple yet highly effective design upgrade provides peace of mind for facility managers and installers who demand reliability in challenging areas. Whether you are securing signage in a public park or reinforcing metal door frames in a busy office block, these screws provide the professional finish that keeps maintenance teams focused on more productive tasks.
PRECISION FIT
The countersunk design ensures a flush finish against the mounting surface, which is essential for both aesthetic appeal and reducing the potential for prising or leverage against the fixture. These screws sit perfectly level, minimising snag points.
RAPID ASSEMBLY
Engineered with self-tapping threads, these screws cut through their own path in pre-drilled materials. This design reduces installation time significantly, allowing tradespeople to complete high-volume tasks with consistency and speed.
UK CERTIFIED
Every batch is produced to meet stringent quality benchmarks expected in UK architecture and building projects. We pride ourselves on supplying hardware that satisfies the technical requirements of modern construction standards.
MANUFACTURING INTEGRITY
We understand that the quality of your finish is only as good as the hardware behind it. Our 12 x 1 1/4 inch tamper resistant pin hex self-tapping countersunk screws are manufactured using high-grade stainless steel to resist rust and surface degradation even in external applications. This choice of material is deliberate, as it maintains structural performance over years of exposure to humidity and atmospheric changes.
Each screw is formed with a focus on consistent thread depth and head integrity. By maintaining tight production tolerances, we ensure that the drive centre is perfectly aligned, preventing tool slippage during the initial drive. This quality control measure safeguards your workpiece against surface scratches and ensures that the security feature remains functional and crisp throughout the lifespan of the installation.
0.02mm Machined Tolerance Limit
Strict factory quality controls applied across every single production batch.
100% Factory Calibrated
Zero on-site adjustments required before installation starts.
PROVEN APPLICATION BENCHMARKS
These screws are the preferred choice for architectural ironmongery where the security of the fixing is as critical as the hardware it supports. From securing high-end door furniture to fixing anti-vandal boards in urban environments, the 1 1/4 inch length offers an ideal balance between deep penetration and compatibility with standard mounting brackets. The countersunk head ensures a professional finish that remains discreet.
By using this product, you are investing in a proven method of site security. The tamper resistant pin hex design is well known in the trade for its resilience, effectively turning a standard installation into a protected asset. Whether you are refurbishing a commercial building or tackling a bespoke joinery project, trust these fixings to maintain the integrity of your work.
Detailed Specifications
| Specification | Rating or Standard | Practical Details |
|---|---|---|
| Screw Gauge | 12 Gauge | Optimised for heavy-duty load bearing. |
| Length | 1 1/4 inch | Ideal for standard door and panel mounting. |
| Head Style | Countersunk (Csk) | Ensures a flat, flush finish. |
| Material | Stainless Steel | Resistant to external moisture and corrosion. |
| Drive Type | Tamper Resistant Pin Hex | Prevents unauthorised tampering. |
| Pack Size | 100 Pieces | Convenient volume for site teams. |
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Specification
| Manufacturer | Hafren |
|---|