Security Screws & Nuts

Two-hole (spanner drive) security screws and nuts that need a matching pin tool to turn.

Manufactured by Uvi Tech Fit in Kundli, Sonipat, India.

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Security Screws & Nuts (spanner drive screw) made by Uvi Tech Fit

Overview

Security fasteners use a two-hole spanner drive instead of a standard recess, so they can only be driven with a matching pin tool. UVI custom-turns two-hole security screws and mating flanged nuts for public installations, enclosures, and any assembly that must resist casual tampering.

Also known as: spanner drive screw, snake eye screw, tamper proof screw.

Related parts: CSK Phillips Screws, Pan Phillips Screws, Truss Phillips Screws

Used in

  • Public and street installations
  • Electrical enclosures and meters
  • Sanitary and washroom fittings
  • Signage and displays
  • Transport interiors
  • Tamper-resistant assemblies

Specification

What to specify

FeatureNotes
DriveTwo-hole spanner: pin hole spacing and diameter
HeadButton, pan, countersunk or flanged nut
Thread & lengthM3–M8, up to 100 mm
Material & finishSS for outdoor and public fixtures

Custom-turned. Send a sample or the drive tool you use so pin spacing matches.

Parts are checked at each stage with vernier calipers, micrometers and visual inspection. Material and test reports can be arranged on request.

Request a Quote

Give size, length, material, finish and quantity. For a custom part, attach a drawing or a photo of the sample.

Security Screws & Nuts

Attach a drawing, sample photo or BOM if you have one.

PDF, DWG, DXF, STEP, JPG, PNG or Excel. Up to 8 MB. Larger files: email them to jorjy@uvitechfit.com.

Prefer to write directly? Email us or message us on WhatsApp. Your details are used only to reply to this enquiry (privacy notice).

Questions

How secure is a two-hole drive?

It stops casual tampering with standard tools. Matching drivers exist, so for higher security use a unique pin spacing.

Can you match our existing security tool?

Yes. Send the tool or a sample screw and we'll match pin spacing and hole size.

Do you make matching nuts?

Yes, flanged two-hole nuts to pair with the screws.

Thread, hole and spanner size reference →