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3M Dual Lock Reclosable Fastener (SJ3871, Type 400)

Code: IT.DL/1M

£17.50 +VAT

In stock

Same Day Despatch Order before 4pm
Free Delivery On orders over £100 to UK mainland
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Key Features:

  • 2 tools in 1
  • Useful when crimping RG58 SMA & Fakra connectors as only 1 tool needed
  • Ratchet mechanism ensures a consistent professional crimp every time
  • Suitable for: BNC, FME, SMA, TNC, FAKRA

3M Dual Lock SJ3871 Type 400 is a high‑strength, reclosable fastener supplied in 1-meter lengths engineered for demanding industrial applications where reliable bonding, clean aesthetics, and repeated opening/closing cycles are essential. Featuring 3M’s Type 400 stem density and a durable acrylic adhesive, this fastener delivers exceptional holding power on metals, plastics, glass, and painted surfaces.

Supplied in 1 meter lengths

Key Features

  • Type 400 Stem Density — Offers a strong, rigid snap‑lock engagement for secure fastening in high‑stress environments.

  • High‑Performance Acrylic Adhesive — Bonds to a wide range of substrates including metals, powder‑coated surfaces, and high‑energy plastics.

  • Reclosable Design — Opens and closes up to 1,000+ times without losing holding strength, reducing maintenance and hardware costs.

  • Temperature & UV Resistant — Performs reliably in indoor and outdoor conditions, including heat, humidity, and sunlight exposure.

  • Clean, Tool‑Free Installation — No drilling, screws, or mechanical fixings required.

Technical Specifications

  • Model: 3M SJ3871

  • Type: Dual Lock Reclosable Fastener, Type 400

  • Adhesive: High‑strength acrylic

  • Closure Strength: High (400 stems/in²)

  • Colour: Black

  • Temperature Range: Typically −30°C to +95°C (varies by substrate)

  • Applications: Industrial equipment, automotive interiors, signage, access panels, electronics, displays, and mounting solutions.

Why Choose 3M SJ3871 Type 400?

This fastener is ideal when you need a strong, vibration‑resistant bond that can still be reopened for servicing or repositioning. It’s widely used in manufacturing, automotive, aerospace, retail displays, and electrical enclosures, making it a trusted choice for engineers and installers who demand reliability.

Fast & Reliable Delivery

We aim to get your order to you as quickly as possible. In-stock orders placed before 4pm Monday to Friday are dispatched the same working day, with most UK mainland orders delivered the next working day.

FREE UK mainland delivery on orders over £100 + VAT. Smaller orders are charged at our standard delivery rate.

Once your order has been dispatched, we'll email you with tracking details so you can follow its progress.

Contact us for expert advice on your product selection or any technical questions you may have

Tel: +44 (0) 1423 340066
E-mail: sales@co-star.co.uk

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