EN 10204 3.1 material certificate
Can be included when agreed in the order.
Available with the order
Order assurance
The supplier has confirmed that the options below can be agreed for this product. The exact scope is fixed in the quotation or order.Dimensional inspection report
Can be provided for the agreed inspection scope.
Certificate of conformity
Can be issued against the confirmed order requirements.
Buyer-branded packaging
Available once artwork and the minimum batch for branded packing are agreed.
Inner poly bags
Items can be bagged before cartoning to limit moisture and loose parts in transit.
Palletized shipment
Available when pallet size and handling requirements are confirmed.
Bulk carton packing
Available subject to confirmed piece weight and shipping requirements.
Small boxes with outer cartons
Available when the box quantity and labels are agreed.
Fumigation-free pallets
Plywood or pressed-wood pallets can be used where ISPM-15 marking is not wanted.
Buyer-specified labels
Available after label content and placement are approved.
PUBLISHED SUPPLY RANGE
7 rowsChoose a specification and add quantity.
Available options
Material
Finish
7 matching sizes
| diameter | d1 | d2 | h | MOQ | Quantity and inquiry |
|---|---|---|---|---|---|
| M5 | 5.3 | 10 | 0.6 | 2000 | |
| M6 | 6.4 | 11 | 0.7 | 2000 | |
| M8 | 8.4 | 15 | 0.8 | 2000 | |
| M10 | 10.5 | 18 | 0.9 | 1000 | |
| M12 | 13 | 20.5 | 1 | 1000 | |
| M16 | 17 | 26 | 1.2 | 1000 | |
| M20 | 21 | 33 | 1.4 | 500 |
M5 × 5.3 × 10 × 0.6
diameterM5
d15.3
d210
h0.6
MOQ2000
M6 × 6.4 × 11 × 0.7
diameterM6
d16.4
d211
h0.7
MOQ2000
M8 × 8.4 × 15 × 0.8
diameterM8
d18.4
d215
h0.8
MOQ2000
M10 × 10.5 × 18 × 0.9
diameterM10
d110.5
d218
h0.9
MOQ1000
M12 × 13 × 20.5 × 1
diameterM12
d113
d220.5
h1
MOQ1000
M16 × 17 × 26 × 1.2
diameterM16
d117
d226
h1.2
MOQ1000
M20 × 21 × 33 × 1.4
diameterM20
d121
d233
h1.4
MOQ500
PRODUCT OVERVIEW
Technical facts at a glance.
External internal tooth lock washer manufactured to DIN 6798. This serrated lock washer uses internal and external teeth to prevent loosening under vibration. Available in metric diameters from M5 to M20, with inner diameter (d1), outer diameter (d2), and thickness (h) per the standard. Material options include alloy steel and stainless steel, with finishes such as zinc plated, Dacromet, blackened, plain, or passivated. Minimum order quantities vary by size. When requesting a quotation, specify the required diameter, material, and finish.
Features
- Serrated internal and external teeth for secure locking
- Available in alloy steel and stainless steel
- Multiple surface finishes including zinc plated and Dacromet
- Metric sizes M5 to M20 per DIN 6798
Applications
- Joints subject to vibration, Machinery and equipment assembly, Maintenance and repair work
EXECUTION BASIS
Standards and documents.
Confirm the exact standard, edition, material and document scope in the order.
BEFORE QUOTATION
Product questions
What sizes of External Internal Tooth Lock Washer do you supply?
Execution standard: DIN 6798. The confirmed specification table covers M5–M20 diameters. Use the specification table to select the exact variant required for quotation.
Which materials, grades and finishes can I order?
Material: Stainless Steel, Alloy Steel; Finish: Passivated, Plain, Zinc Plated, Dacromet, Blackened. Availability should be confirmed against the selected specification and order quantity.
What quality documents do you provide with the shipment?
EN 10204 3.1 material certificate, Dimensional inspection report, Certificate of conformity can be provided when the exact document scope is agreed in the quotation or order.
What is the minimum order quantity, and how is it packed?
Confirmed packing options include Buyer-branded packaging, Inner poly bags, Palletized shipment, Bulk carton packing, Small boxes with outer cartons, Fumigation-free pallets, Buyer-specified labels.
Where are these spring washers typically used?
Typical applications include Joints subject to vibration, Machinery and equipment assembly, Maintenance and repair work. Final suitability depends on the selected material, grade, finish and operating conditions.
What do you need from me to prepare a quotation?
Please provide the required standard, diameter or size, material, finish, quantity, delivery destination. A drawing or sample reference is useful when the requirement is non-standard.
