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DIN 127 (B) – Split Lock Washers
Metric
| Item | φ2 | φ2.2 | φ2.5 | φ3 | φ3.5 | φ4 | φ5 | φ6 | φ7 |
| d | 2.1-2.4 | 2.3-2.6 | 2.6-2.9 | 3.1-3.4 | 3.6-3.9 | 4.1-4.4 | 5.1-5.4 | 6.1-6.5 | 7.1-7.5 |
| n | 0.8-1.0 | 0.9-1.1 | 0.9-1.1 | 1.2-1.4 | 1.2-1.4 | 1.4-1.6 | 1.7-1.9 | 2.35-2.65 | 2.35-2.65 |
| h | 0.4-0.6 | 0.5-0.7 | 0.5-0.7 | 0.7-0.9 | 0.7-0.9 | 0.8-1.0 | 1.1-1.3 | 1.5-1.7 | 1.5-1.7 |
| H | 1-1.2 | 1.2-1.4 | 1.2-1.4 | 1.6-1.9 | 1.6-1.9 | 1.8-2.1 | 2.4-2.8 | 3.2-3.8 | 3.2-3.8 |
| Item | φ8 | φ10 | φ12 | φ14 | φ16 | φ18 | φ20 | φ22 | φ24 |
| d | 8.1-8.5 | 10.2-10.7 | 12.2-12.7 | 14.2-14.7 | 16.2-17 | 18.2-19 | 20.2-21.2 | 22.5-25.5 | 24.5-25.5 |
| n | 2.85-3.15 | 3.3-3.7 | 3.8-4.2 | 4.3-4.7 | 4.8-5.2 | 4.8-5.2 | 5.8-6.2 | 5.8-6.2 | 6.75-7.25 |
| h | 1.9-2.1 | 2.05-2.35 | 2.35-2.65 | 2.85-3.15 | 3.3-3.7 | 3.3-3.7 | 3.8-4.2 | 3.8-4.2 | 4.8-5.2 |
| H | 4-4.7 | 4.4-5.2 | 5-5.9 | 6-7.1 | 78.3 | 7-8.3 | 8-9.4 | 8-9.4 | 10-11.8 |
| Item | φ27 | φ30 | φ36 | φ39 | φ42 | φ45 | φ48 | φ52 | φ56 |
| d | 27.5-28.5 | 30.5-31.7 | 36.5-37.7 | 39.5-40.7 | 42.5-43.7 | 45.5-46.7 | 49-50.5 | 53-54.5 | 57-58.5 |
| n | 6.75-7.25 | 7.75-8.25 | 9.75-10.25 | 9.75-10.25 | 11.75-12.25 | 11.75-12.25 | 11.75-12.25 | 13.75-14.25 | 13.75-14.25 |
| h | 4.8-5.2 | 5.8-6.2 | 5.8-6.2 | 5.8-6.2 | 6.75-7.25 | 6.75-7.25 | 6.75-7.25 | 7.75-8.25 | 7.75-8.25 |
| H | 10-11.8 | 10-11.8 | 12-14.2 | 12-14.2 | 14-16.5 | 14-16.5 | 14-16.5 | 16-18.9 | 16-18.9 |
Material:
Steel: 1070 430-530HV Zinc plated CR3+
Stainless Steel A2: 304 Passivated
Stainless Steel A4: 316 Passivated
Product Advantages
Structural Design and Compatibility Benefits
The M16 flat washer’s design adheres to the DIN127B standard, ensuring dimensional uniformity that simplifies integration into existing fastening systems. Its flat, circular profile distributes applied forces evenly across surfaces, which prevents localized deformation or damage to softer materials. By pairing it with standard metric fasteners, users are ensured of a dependable fit that reduces assembly mismatches. The use of A4 stainless steel adds adaptability in various conditions—from dry indoor spaces to corrosive environments—without compromising structural integrity. This plain washer’s straightforward design makes it easy to source, store, and replace, contributing to streamlined maintenance procedures.
Enhanced Performance and User Convenience
Performance-wise, this washer offers consistent, predictable load distribution that enhances the longevity of bolted connections. Its corrosion-resistant stainless steel composition means it requires minimal upkeep and maintains aesthetic integrity over time, appealing to users valuing durability. Easy to handle due to its standardized size and smooth finish, it fits intuitively within assembly workflows, speeding up installation while reducing the risk of fastener loosening. This plain washer also prevents friction-related wear and tear, acting as a protective barrier that safeguards assembly components, so users can rely on prolonged function without frequent intervention.
FAQ
What materials are used for your M16 flat washers?
Our M16 flat washers comply with DIN127B standards and are made from durable A4 stainless steel, which offers excellent corrosion resistance and long-lasting performance in various environments. This makes our flat washer ideal for assemblies requiring strength and moisture resistance.
Can I order custom sizes or different finishes for your washers?
We focus on standard DIN127B plain washers in A4 stainless steel with a passivated finish. For special requirements, please contact us directly; we provide sample parts for prototyping and support bulk order pricing during mass production.
How should I install an M16 flat washer to ensure optimal performance?
To maximize its effectiveness, position the flat washer between the fastener head and the surface to evenly distribute load and protect assembly components from wear. Our washers meet DIN127B to ensure compatibility with metric fasteners for reliable installation.
What is the typical shipping time for orders of M16 stainless steel washers?
We dispatch orders weighing less than 20 kg within 3-5 days. For 20-100 kg, shipment occurs in 5-10 days, and orders exceeding 100 kg require 15-20 days. Tracking information is available by email upon shipment confirmation.
Shanghai Screwtool is a long-standing OEM supplier who has served US and Europe fastener industry for over 20 years.
If you have regular demands for screws and fasteners, we recommend that you can contact us directly (info@shscrewtool.com) for economic offer and complete service.
