Metric Hexagon Head Pipe Plugs (DIN 910) - Stainless Steel (A2)

Metric Hexagon Head Pipe Plugs — DIN 910 | Stainless Steel A2 (SUS304) | A2-70

FULLERKREG DIN 910 metric hexagon head screw plugs with collar are precision-engineered sealing fasteners designed for closing threaded ports in pipes, fittings, hydraulic systems, and pressure vessels. Manufactured to the full DIN 910 standard in A2 stainless steel (SUS304) with A2-70 strength grade and a cleaned & passivated surface finish, these plugs deliver reliable, corrosion-resistant sealing across a wide range of industrial applications.


🔩 Product Overview

  • Standard: DIN 910 (Hexagon Head Screw Plugs with Collar and Cylindrical Thread)
  • Material: A2 Stainless Steel (SUS304 / 1.4301)
  • Strength Grade: A2-70 (per ISO 3506)
  • Surface Treatment: Cleaned & Passivated (bright finish, enhanced corrosion resistance)
  • Thread Type: Metric cylindrical thread (parallel thread)
  • Size Range: M8×1 to M48×1.5
  • Drive: External hexagon head with integral collar
  • Brand: FULLERKREG

📐 Dimensions & Size Chart (DIN 910)

All dimensions in mm. Weight in kg/1000 pcs.

D (Nominal) D1 L C B M S Weight (kg/1000pcs)
M10-1.50 14 17 3 8 6 10 10.69 / 12
M12-1.50 17 21 3 12 6 13 14.2 / 20.3
M14-1.50 20 21 3 12 6 17 14.2 / 25
M16-1.50 22 21 3 12 6 19 18.72 / 35.2
M20-1.50 25 25 4 14 8 19 20.88 / 64.5
M22-1.50 27 25 4 14 8 22 20.88 / 75
M24-1.50 30 27 4 14 8 24 23.51 / 83.6
M27-1.50 32 27 4 14 8 27 23.51 / 108
M30-1.50 36 30 4 16 10 24 26.17 / 148
M33-1.50 40 33 4 16 10 27 29.88 / 200
M38-1.50 45 33 5 16 12 30 32.95 / 300
M42-1.50 49 33 5 16 12 30 32.95 / 300
M45-1.50 55 33 5 16 12 30 32.95 / 300
M48-1.50 55 33 6 16 12 30 34.88 / 375

⚙️ Material & Mechanical Properties

  • Material Grade: A2 (AISI 304 / SUS304 / EN 1.4301) — Austenitic stainless steel
  • Strength Class: A2-70 per ISO 3506-1
  • Tensile Strength: ≥ 700 N/mm² (101,500 PSI)
  • Proof Load Stress: ≥ 450 N/mm²
  • Nut Load Capacity: ≥ 700 N/mm²
  • Hardness: HV 220 max
  • Surface: Cleaned & Passivated — removes free iron, enhances natural oxide layer for superior corrosion resistance
  • Magnetic: Slightly magnetic after cold working (typical for 304 SS)

✅ Key Features & Benefits

  • Pressure-tight sealing: Cylindrical (parallel) thread with collar provides metal-to-metal sealing, suitable for hydraulic and pneumatic systems
  • Corrosion resistant: A2 stainless steel withstands moisture, mild acids, and atmospheric corrosion — ideal for food processing, marine, and chemical environments
  • DIN 910 compliant: Manufactured to full DIN standard dimensions, interchangeable with ISO-equivalent parts
  • Collar design: Integral collar acts as a built-in washer/stop, ensuring consistent seating depth and preventing over-insertion
  • Wide size range: M8 through M48 available from stock for immediate delivery
  • No additional sealant required when used with proper surface finish and torque (optional PTFE tape or thread sealant may be applied for additional security)

🏭 Typical Applications

  • Hydraulic and pneumatic system port closures
  • Pipe and tube fittings — sealing unused ports
  • Machine tool coolant and lubrication systems
  • Food & beverage processing equipment
  • Marine and offshore equipment
  • Chemical processing pipelines
  • Automotive and heavy machinery fluid systems
  • Pressure vessels and manifolds

📋 Standards & Compliance

  • DIN 910 — Hexagon Head Screw Plugs with Collar and Cylindrical Thread
  • ISO 3506-1 — Mechanical properties of corrosion-resistant stainless steel fasteners
  • DIN EN ISO 3506 — Steel groups and strength classes for stainless fasteners
  • Compliant with RoHS / REACH requirements
  • Material traceability available upon request (Mill Test Certificate / MTC)

📦 Ordering & Packaging

  • Available in standard bulk packaging (per 100 pcs or per 1000 pcs)
  • Custom quantities available for wholesale and OEM orders
  • Labelled with size, material grade, and DIN standard for easy identification
  • Fast dispatch — most sizes available from stock

❓ Frequently Asked Questions

Q: What is the difference between DIN 910 and DIN 908?
A: DIN 910 plugs have a longer thread engagement length (L) compared to DIN 908, making them suitable for higher-pressure applications. Both use cylindrical (parallel) metric thread with a collar.

Q: Can DIN 910 plugs be used without a sealing washer?
A: Yes. The collar provides a metal-to-metal seal. For additional leak-proofing in high-pressure systems, PTFE tape or anaerobic thread sealant is recommended.

Q: Is A2 stainless steel suitable for outdoor use?
A: Yes. A2 (SUS304) offers excellent atmospheric and mild corrosion resistance. For highly corrosive or marine environments, A4 (SUS316) may be preferred.

Q: Are Mill Test Certificates (MTC) available?
A: Yes. Material certifications are available upon request for all FULLERKREG stainless steel fasteners.

Q: What torque should be applied?
A: Torque values depend on thread size and application pressure. Please contact FULLERKREG technical support for application-specific torque recommendations.


All FULLERKREG DIN 910 stainless steel pipe plugs are manufactured and inspected to DIN standards. For custom sizes, special materials, or bulk pricing, please contact our sales team.

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