Seal · Insulate · Protect — a Nedschroef Capability

Smarter connections
for the future of mobility.

Vehicles are becoming more complex, technologies are evolving rapidly, and safety and reliability are critical. Nedschroef delivers innovative sealing and insulation fasteners that go beyond fastening: they protect, insulate, and accelerate production.

Body-in-white·EV Powertrain & Battery·Interior & Electronics
Nedschroef sealing and insulation fasteners — bolts, screws, nuts and washers with integrated sealing and coating
Fasteners engineered to seal, insulate, and fasten in one part

Essential for safety, durability & functionality

Sealing and insulation are no longer add-ons. They are essential elements of modern vehicle design — and Nedschroef builds them directly into the fastener.

Seal

Protect against moisture, dirt, and liquids — from body-in-white joints to battery housings — with integrated washers, self-sealing nuts, and polyamide or polyolefin coatings.

Insulate

Prevent leaking currents and malfunctions in electrified vehicles through overmolding, insulating coatings (Eloxal / anodizing), and multi-material washers.

Accelerate

Integrate sealing, insulation, and fastening in one part — fewer components, fewer assembly steps, lower EHPV, and higher first-time quality.

The 60-Second Guide

Four cards. One minute. The essentials of Sealing & Insulation for engineers and procurement.

Step 1 of 51:00

What it is

Sealing & Insulation from Nedschroef integrates protection, functionality, and performance into one smart connection — sealing against water, dirt and liquids, and insulating against leaking currents.

Our Technical Toolbox

We don't push one technology — we deliver the best solution for your application. All designs are tested and validated according to automotive standards.

Sealing options
  • Polyamide & polyolefin coatings
  • Integrated washers
  • Self-sealing nuts
  • Thread coatings (e.g. Precote)
Insulation options
  • Overmolding
  • Insulating coatings (Eloxal / anodizing)
  • Multi-material washers
  • Synthetic and rubber solutions
Proven in practice

Battery housing protection

An EV manufacturer came to Nedschroef with a challenge: a standard nut design failed to properly seal a battery housing under real-world conditions.

Our solution:
  • A custom nylon washer integrated into the flange for surface sealing
  • A specialized Precote coating on the thread area for additional protection
  • Cost-effective, hydrogen-compatible — a critical requirement for modern batteries

"The combination of precise engineering and cost-effective design improved both our production efficiency and product reliability."

— Head of Assembly Engineering, EV Industry
Where it's used

Applications

  • Body-in-white connections
  • EV powertrains
  • Battery housings and packs
  • Interior systems
  • Cooling systems
  • Busbars and electrical components
  • Sensors and electronics
Save time and cost — with fewer parts, fewer steps, and higher first-time quality.
Flexible portfolio · Sustainable & recyclable · End-to-end support from concept to global delivery.
Talk to an Engineer About Your Use Case

Resource Library

Download the product leaflet, follow our LinkedIn newsletter, or request additional technical content via the contact form.

Product Leaflet

Overview of the Sealing & Insulation fastener portfolio, applications, and benefits.

LinkedIn Newsletter

"Seal. Insulate. Protect." — Royal Nedschroef's latest on smarter fastening for mobility.

Case Studies

Real-world examples like our EV battery housing solution with nylon washer + Precote.

Prefer email updates instead of LinkedIn? Tick "LinkedIn newsletter subscription" in the contact form and we'll add you manually.

Book a Meeting with an Engineer

Talk directly with our application engineering lead about your project — automotive, aviation, or an industry we're exploring next.

Your contact
Frederik Fuhrmann
Product Manager / Application Engineering
Application Technology and Development, Altena
Frederik.Fuhrmann@nedschroef.com

Send a short note with your application and preferred times — Frederik will follow up directly.

Email Frederik to Book

Get in Contact

Prefer to speak directly with our engineers? Tell us what you're solving and we'll route you to the right specialist.

Sealing & Insulation team
info@royalnedschroef.com
Call us directly
+31 492 548 556
Royal Nedschroef
nedschroef.com
Book a Meeting with an Engineer
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We're continuously exploring new industries beyond automotive and aviation.

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