ForgeFix Clutch Head Security Screws 20mm 10pk CHCSK348ZP

ForgeFix Clutch Head Security Screws 20mm Pack 10

Code: CHCSK348ZP

Barcode: 5028485016113

Product Overview:

A ForgeFix Security Product, these security 3/4 inch screws are engineered for one-way tightening using a conventional slotted screwdriver. ForgeFix Clutch Head Security Screws 20mm (CHCSK348ZP) are a cost-effective solution for securing fittings in areas where tampering or unauthorised removal is a concern. The clutch head design allows one-way tightening using a conventional slotted screwdriver, helping to deter removal once installed. Each screw is zinc plated for improved corrosion resistance and features a countersunk head to sit flush for a neat, snag-free finish. With a single thread design for quicker insertion and strong pull-out performance, these 3/4" security screws are well suited to public-facing fixtures, ironmongery and general security-conscious installations. Supplied in a pack of 10 for convenient maintenance and small jobs.

Key Features

• Clutch head security design for one-way tightening

• Tightens with a standard slotted screwdriver

• Helps deter unauthorised removal and tampering

• Zinc plated finish for increased corrosion resistance

• Countersunk head for a flush, tidy finish

• Single thread for faster drive-in and strong holding power

• Pack of 10 for repairs, refits and maintenance work

Specifications

• Brand: ForgeFix

• Product Type: Clutch head security screws

• Code: CHCSK348ZP

• Barcode: 5028485016113

• Length: 20mm (3/4")

• Head Type: Countersunk clutch head (one-way drive)

• Drive Type: Slotted (tightening)

• Thread Type: Single thread

• Finish: Zinc plated

• Pack Size: 10

Applications

• Securing ironmongery such as padbolts, hasps and T-hinges

• Fixing toilet roll holders and similar fittings in public washrooms

• Anti-tamper fixing for signage, guards and access-limited fixtures

• General use where a neat, flush finish and added security are needed

How to Use

• Mark and drill pilot holes where required for the substrate

• Position the fixture and drive the screw using a slotted screwdriver

• Tighten until the countersunk head sits flush with the surface

• These screws are designed as a one-way fixing, so plan placement carefully

• Store unused screws dry to maintain the zinc plated finish

ForgeFix Clutch Head Security Screws 20mm CHCSK348ZP – Key FAQs

• What makes these screws “security” screws?
  They are designed for one-way tightening, making them difficult to remove once installed, which helps deter tampering and theft in open-access areas.

• Can I install them with a normal screwdriver?
  Yes. They tighten using a conventional slotted screwdriver, so no special driver bit is required for installation.

• Are they suitable for outdoor use?
  The zinc plated finish offers improved corrosion resistance, making them suitable for many general outdoor applications. For harsh coastal environments, consider stainless options.

• Can these screws be removed and reused?
  They are intended as a one-way fixing and are not designed for removal or reuse.

• What types of jobs are they best for?
  They’re commonly used for public washroom fixtures, ironmongery and fittings where you want a flush finish and added protection against unauthorised removal.

• Do countersunk heads sit flush?
  Yes. The countersunk head is designed to sit flush in the surface, creating a neat finish and helping reduce snagging.