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6 Lobe Pin TX Countersunk Self Drill Security Screw

6 Lobe Pin TX Countersunk Self Drill Security Screws Stock Sizes

  • Countersunk head self drill anti-tamper screws
  • Reusable drive – Two way
  • Ideal for construction, roofing and cladding applications
  • More efficient installation than self tappers, as no need to drill pilot holes
  • Need special driver bits to fix and remove
  • Suitable for higher torque applications
  • Available in case hardened steel with anti-corrosion plated finish
  • Sealing washers available

Available in case hardened steel with anti-corrosion plated finish. All stocked sizes are listed below.

6 Lobe Pin TX Countersunk Self Drill security screws are available in non-standard sizes to order.

Gauge / Length (mm) 1/2″ (13) 3/4″ (19) 1″ (25) 1 1/4″ (32) 1 1/2″ (38) 2″ (50) 2 1/2″ (50) 3″ (50)
No.8 (4.2mm)
No.10 (4.8mm)
No.12 (5.5mm)
No.14 (6.3mm)

Description: 6 Lobe Pin TX Countersunk Self Drill Security Screws

The solid dowel in the drive of the 6 Lobe Pin TX Countersunk Self Drill Security Screw makes the screw tamper resistant, reducing the risk of vandals or intruders tampering with or undoing the screws.

This anti-tamper screw is suitable for medium torque applications and is a 2 way re-usable security fixing, available in case hardened steel with anti-corrosion plated finish.

Optional sealing washers are available, ideal for construction, roofing and cladding applications.

Advantages of 6 Lobe Pin TX Screws

  • Reduced slippage (cam-out) compared to other drives like Philips or 2-hole
  • Better torque when compared to conventional screw heads
  • Less risk of damage to the drive tip, screw head or the application, making it cost effective to install and remove

6 lobe Pin TX Security screws offer medium security resistance against vandals and thieves at a relatively low cost.

Within the industry Pin TX security screws are also referred to by other names including Star Pin Drive, Tamper Torx ®, Torx® Pin, Resistorx® and 6 Lobe Pin.

Tamper Resistant 6 lobe Pin TX machine screws can be used with Pin TX Barrel Nuts, Security Wave Nuts, Shear Nuts, Kinmar Reusable Nuts, Kinmar Permanent Nuts, 4-Hole Nuts for added security.

Please see the stock size chart and technical information for all available sizes.

Any non-listed sizes or materials can be manufactured to order, please call us or use the “Make an Enquiry” button above.

See all anti-tamper screws here.

Pin Torx countersunk self drill technical drawing

No.8 No.10 No.12 No.14
DK (mm) 7.9 9.3 10.6 13.5
K mm) 3.0 3.2 3.7 4.1
TOOL SIZE TX20 TX25 TX27 TX27

*For guidance purposes only

6 Lobe Pin Torx Countersunk Self Drilling Security Screw