The PROLOK RTCS10I-25 Resytork Countersunk Security Screw offers a secure, flush-fit fastening solution for applications demanding tamper resistance and lasting performance. This 10 gauge (4.8mm) x 38mm self-tapping screw features a 2-way Resytork drive system for controlled removal and is precision-manufactured from 304 stainless steel to withstand harsh, corrosive environments. Its AB thread design ensures strong holding power in timber, plastics, and light metal substrates, making it ideal for infrastructure, public security fixtures, and commercial installations.

What’s Included in the Box

• 25 × PROLOK Resytork Countersunk Self-Tapping Screws – 10G (4.8mm) x 38mm, 304 Stainless Steel

• 1 × Resytork 2-Way Driver Bit

Main Features

• Resytork 2-Way Drive: Prevents unauthorized removal; allows access with the included specialized driver.

• Countersunk Head Profile: Ensures a flush finish for safety, aesthetics, and tamper resistance.

• AB-Type Self-Tapping Thread: Provides excellent engagement in a variety of materials.

• 304 Stainless Steel Construction: High resistance to corrosion, suitable for coastal and outdoor environments.

• Installer-Ready Pack: Supplied with a compatible Resytork driver for quick, secure application.

Detailed Specifications

• Part Number: RTCS10I-25

• Size: 10 Gauge (4.8mm) x 38mm

• Head Style: Countersunk

• Drive Type: Resytork (2-Way)

• Thread Type: AB Type, Self-Tapping

• Material: 304 Stainless Steel

• Finish: Natural

• Pack Size: 25 Screws + 1 Driver Bit

Warranty Information

Backed by a manufacturer's warranty, covering material and workmanship under typical operating conditions.

Brand Description

PROLOK is a leader in tamper-resistant fastening, supplying high-security screws and driver systems for industrial, commercial, and public-sector projects throughout Australia and New Zealand. Known for quality and reliability, PROLOK is the preferred brand in demanding anti-vandal environments.

SKU / Part Number

RTCS10I-25

Practical Use Scenarios

• Utility & Electrical Enclosures: Secure flush-mounted access points in high-traffic or public areas

• Public Signage & Safety Rails: Vandal-resistant mounting for long-term durability

• Retail & Commercial Fixtures: Tamper-resistant fastening with clean aesthetics

• Transport Infrastructure: Use on bus shelters, terminals, and equipment panels

• Outdoor Installations: Withstands environmental exposure in council and contractor worksites

Excellence for the Australian and New Zealand Market

• Engineered to meet ANZ safety, tamper resistance, and environmental compliance standards

• Made from marine-grade 304 stainless steel ideal for coastal and high-moisture settings

• Sourced through certified distributors across Australia and New Zealand

• Frequently used in government, utilities, security, and critical infrastructure projects

• Supplied with a Resytork driver bit for immediate professional application

Datasheets / Downloadable Resources

📄 Download Technical Datasheet – PROLOK RTCS10I-25 (PDF)

 FAQs – RTCS10I-25

Q1: What are the dimensions of RTCS10I-25?
A1: It is a 10 gauge (4.8mm) diameter by 38mm length countersunk self-tapping screw.

Q2: What drive does the RTCS10I-25 use?
A2: It features a 2-way Resytork drive, allowing tamper-resistant installation and removal with a matching driver bit.

Q3: Is RTCS10I-25 suitable for outdoor use?
A3: Yes, it is made from 304 stainless steel, offering excellent corrosion resistance in outdoor and marine environments.

Q4: What comes included in the RTCS10I-25 pack?
A4: 25 screws and 1 Resytork driver bit.

Q5: What surfaces is this screw compatible with?
A5: The AB-type thread is ideal for use in timber, plastics, and thin metal materials.

Q6: What industries commonly use this product?
A6: Common in government infrastructure, utilities, public security fixtures, and commercial fit-outs.

Q7: Can this screw be reused?
A7: Yes, if removed using the supplied Resytork bit, the screw can be reused securely.

Q8: Does RTCS10I-25 comply with ANZ regulations?
A8: Yes, it meets material and performance standards required for tamper-resistant fasteners in Australia and New Zealand.

Q9: Why choose countersunk screws like RTCS10I-25?
A9: They sit flush with the surface, providing a neat, low-profile finish that improves safety and prevents tampering.