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6 Lobe Pin TX Cap Thread Rolling Screws

6 Lobe Pin TX Cap Thread Rolling Screws, to DIN 7500, are designed to form their own internal threads in sheet metal and other malleable materials.

These screws can be driven into a pilot hole without the need for thread tapping as a separate process – an extruded hole may provide extra length for improved retention.

This is achieved by the three-lobe or trilobular thread design which forms the threads when fastened. Excess material is pushed into relief areas of the screw to improve screw retention and vibration resistance.

Thread rolling screws also help to avoid loose chips that are caused by other thread cutting processes.

6 Lobe Pin TX Cap Thread Rolling Screws provide a medium level of security and tamper resistance at a relatively low cost. They offer greater protection compared to standard hexalobular drives as they require a 6 Lobe Pin TX wrench or insert bit for installation.

These components are manufactured from Steel Zinc Plated as standard, with Steel Black Plated available on request. Available at Fastenright in thread sizes M4 to M6, with lengths up to 30mm.

Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and bespoke parts made to drawings. Minimum order quantities apply.

Our full range of Thread Rolling Screws can be found here.
6 Lobe Pin TX Socket Cap Thread Rolling Screw Technical Drawing

Technical Data & Availability
Thread Diameter M4 M5 M6
d1 (mm) 7 8.5 10
k (mm) 4 5 6
C (mm) 4.08 5.09 6.1
Tool Size TX20 TX25 TX30
Available Lengths (L) M4 M5 M6
10mm black icon imageblack icon image
12mm black icon imageblack icon image black icon imageblack icon image
16mm black icon imageblack icon image black icon imageblack icon image
20mm black icon imageblack icon image black icon imageblack icon image
25mm black icon imageblack icon image black icon imageblack icon image
30mm black icon imageblack icon image
black icon image = Steel Zinc Plated // black icon image = Steel Black Plated (may have increased lead times)
Size not listed? Please make an enquiry – we may be able to provide it.
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