4mm x 16mm Pozi Countersunk Screw for Hard Plastics (PT45) - PZ2 Drive | A2 Stainless Steel

Product code: ZCPT45-40-16-A2
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4mm x 16mm Pozi Countersunk Screw for Hard Plastics (PT45) - PZ2 Drive | A2 Stainless Steel
4mm x 16mm Pozi Countersunk Screw for Hard Plastics (PT45) - PZ2 Drive | A2 Stainless Steel
4mm x 16mm Pozi Countersunk Screw for Hard Plastics (PT45) - PZ2 Drive | A2 Stainless Steel
4mm x 16mm Pozi Countersunk Screw for Hard Plastics (PT45) - PZ2 Drive | A2 Stainless Steel
4mm x 16mm Pozi Countersunk Screw for Hard Plastics (PT45) - PZ2 Drive | A2 Stainless Steel
4mm x 16mm Pozi Countersunk Screw for Hard Plastics (PT45) - PZ2 Drive | A2 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 49 £0.78 £0.94
50 - 99 £0.47 £0.56
100 - 249 £0.31 £0.37
250 - 499 £0.23 £0.28
500 - 999 £0.19 £0.23
1000 - 4999 £0.16 £0.19
5000 + £0.12 £0.14

£0.94 / each


Up to 994 units
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Product Specification
Thread Size 4.0mm
Thread Length 16mm
Material A2 Stainless Steel
Head Diameter 7.35mm
Head Height 1.90mm
Drive PZ2
Head Style Countersunk

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 Pozi Countersunk PT45 Screw for Hard Plastics | A2 Stainless Steel

For outdoor hard-plastic equipment and housings, this 4mm x 16mm Pozi Countersunk PT45 Screw provides a purpose-designed alternative to a conventional self tapping screw. Its 45° trilobular thread supports reliable engagement in harder plastic bosses while the countersunk head keeps the final assembly low profile.

What Are Pozi Countersunk PT45 Screws?

Pozi Countersunk PT45 Screws are thread-forming fasteners developed for harder plastics. Their 45° trilobular thread has shorter flanks than PT30 screws and is better suited to materials such as polycarbonate and glass-reinforced plastics while the countersunk head allows flush installation into a matching recess.

Common Applications

  • Polycarbonate Housings: Forms a secure thread in suitable polycarbonate covers and housings while allowing a flush head finish.
  • Automotive Components: Fastens rigid plastic trim and moulded components where a low-profile screw head is beneficial.
  • Manufactured Plastic Parts: Supports repeatable assembly of moulded hard-plastic components with correctly sized pilot holes and countersinks.
  • Furniture Components: Secures suitable engineering-plastic fittings and panels used in furniture manufacture.

4mm x 16mm Pozi Countersunk PT45 Screw Dimensions

  • Thread Size: 4.0mm
  • Thread Length: 16mm
  • Head Diameter: 7.35mm
  • Head Height: 1.90mm
  • Drive: PZ2
  • Material: A2 Stainless Steel
  • Head Style: Countersunk

Key Benefits

  • PZ2 Pozi drive provides a widely available drive format for production and maintenance.
  • 45° trilobular PT45 thread form is designed for harder plastics and reinforced materials.
  • PT45 geometry provides a strong drive-to-strip ratio for compatible hard-plastic assemblies.
  • 7.35mm head diameter and 1.90mm head height match the uploaded SKU specification.

Browse the full Pozi Countersunk PT45 Screws for Hard Plastics category for Bright Zinc Plated Steel and A2 Stainless Steel options. You can also use our Screws for Plastic Engineering Guide for PT30/PT45 selection and installation guidance. Technical support is available on 01233 713581.

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