4mm x 16mm Torx Pan Screw for Hard Plastics (PT45) - T15 Drive | A2 Stainless Steel

Product code: TPPT45-40-16-A2
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4mm x 16mm Torx Pan Screw for Hard Plastics (PT45) - T15 Drive | A2 Stainless Steel
4mm x 16mm Torx Pan Screw for Hard Plastics (PT45) - T15 Drive | A2 Stainless Steel
4mm x 16mm Torx Pan Screw for Hard Plastics (PT45) - T15 Drive | A2 Stainless Steel
4mm x 16mm Torx Pan Screw for Hard Plastics (PT45) - T15 Drive | A2 Stainless Steel
4mm x 16mm Torx Pan Screw for Hard Plastics (PT45) - T15 Drive | A2 Stainless Steel
4mm x 16mm Torx Pan Screw for Hard Plastics (PT45) - T15 Drive | A2 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 49 £0.94 £1.13
50 - 99 £0.57 £0.68
100 - 249 £0.38 £0.45
250 - 499 £0.28 £0.34
500 - 999 £0.23 £0.28
1000 - 4999 £0.19 £0.23
5000 + £0.14 £0.17

£1.13 / each


Up to 999 units
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508,999 + units
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Average production time 14 + days.
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Product Specification
Thread Size 4.0mm
Thread Length 16mm
Material A2 Stainless Steel
Head Diameter 7.00mm
Head Height 2.45mm
Drive T15
Head Style Pan

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

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01233 713581


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4mm x 16mm Torx Pan PT45 Screw for Hard Plastics | A2 Stainless Steel

Developed for plastic assemblies exposed to moisture, this 4mm x 16mm Torx Pan Screw is part of the PT45 range for harder plastics. The trilobular 45° thread helps form a secure mating thread in compatible materials while the Torx recess provides a high-contact drive interface.

What Are Torx Pan PT45 Screws?

A PT45 Torx screw provides a middle ground between a sharp 30° plastic thread and a conventional self tapping screw. Its shorter 45° thread and trilobular form make it particularly useful in hard materials where secure engagement and a strong drive-to-strip ratio are required.

Common Applications

  • Electrical Enclosures: Secures hard-plastic covers, panels and housings used in electrical and control equipment.
  • Appliance Housings: Provides a dedicated fastening method for rigid plastic covers, panels and moulded parts.
  • Control Equipment: Fastens hard-plastic panels and housings used around sensors, switches and control systems.
  • Polycarbonate Housings: Forms a secure thread in suitable polycarbonate covers, cases and enclosure components.

4mm x 16mm Torx Pan PT45 Screw Dimensions

  • Thread Size: 4.0mm
  • Thread Length: 16mm
  • Head Diameter: 7.00mm
  • Head Height: 2.45mm
  • Drive: T15
  • Material: A2 Stainless Steel
  • Head Style: Pan

Key Benefits

  • 4mm thread size and 16mm thread length provide the primary fastening dimensions.
  • T15 Torx drive provides positive engagement and efficient torque transfer.
  • 45° trilobular PT45 thread form is designed for harder plastics and reinforced materials.
  • Correct pilot-hole diameter, boss size and engagement length should be selected for the material being assembled.

View the complete Torx Pan PT45 Screws for Hard Plastics range for alternative sizes and materials. For guidance on PT30 vs PT45 threads, pilot-hole sizing, boss design and torque selection, read our Engineering Guide to Screws for Plastic. For further help, contact the Vital Parts technical sales team on 01233 713581.

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