Stainless Steel DIN 6799 E-Type Circlip / Retaining Ring

Wanluo's China Stainless Steel DIN 6799 E-Type Circlip / Retaining Ring are manufactured in strict accordance with German DIN industrial standards, belonging to lightweight open elastic shaft retaining fasteners. Different from traditional DIN471 shaft circlips and DIN472 hole circlips that require precise reserved grooves for installation, DIN 6799 features a unique E-shaped open integral structure, enabling direct clamping on smooth optical axes and conventional shaft bodies without pre-processing fixed grooves.

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Product Description

Stainless Steel DIN 6799 E-Type Circlip / Retaining Ring by Wanluo supplier provides stable elastic clamping force to limit axial displacement of shaft sleeves, bearings, pin shafts and movable parts, solving the problems of complex grooving processing and inconvenient assembly of traditional circlips. With ultra-compact structure, tool-free quick installation and wide universal adaptability, it is widely used in light-load mechanical assembly, daily equipment and precision miniature transmission structures.

Workpiece Configuration & Full-Process Manufacturing Flow

DIN 6799 E-type retaining rings adopt high-toughness spring steel and high-quality stainless steel raw materials, processed by one-piece precision stamping, integral heat treatment toughening and full edge deburring. The standard symmetrical E-shaped open structure has accurate elastic opening radian and uniform clamping tension, ensuring tight and non-slip clamping on standard metric shafts. The integral ring body has consistent thickness and excellent elastic recovery performance, avoiding permanent deformation, elastic fatigue or loosening after repeated disassembly and long-term light vibration operation. The fully polished burr-free edges prevent scratching of shaft surfaces and matching parts during installation and use, effectively protecting the integrity of precision shaft components. Strict dimensional tolerance control ensures high universality of standard sizes, perfectly matching conventional shaft diameters for rapid assembly and limiting fixation.

Product Parameter

Parameter Item	Detailed Specification
Product Name	DIN 6799 E-Type Circlip, E-Shape Shaft Retaining Ring, Open Elastic Snap Ring
Executive Standard	DIN 6799, ISO Standard, GB Standard, Custom Non-standard Sizes
Available Material	304, 316L Stainless Steel, High-quality Spring Steel, Zinc-plated Carbon Steel
Size Range	Shaft diameter φ2mm-φ50mm full standard sizes, custom special thickness & opening elasticity
Structure Type	E-shaped open integral structure, tool-free quick clamping, shaft surface direct mounting
Processing Technology	Precision integral stamping, heat treatment toughening, full edge deburring, elastic calibration
Applicable Object	Smooth optical shafts, pin shafts, miniature transmission shafts, light-load movable shaft parts
Surface Treatment	Pickling & passivation / Zinc-plated / Black oxide, anti-rust & anti-corrosion
Mechanical Properties	Stable elastic clamping force, anti-fatigue, no deformation, lightweight limit protection
Packaging Method	Moisture-proof inner bag + export carton, pallet packing for bulk orders
Supply Service	Spot bulk supply, non-standard customization, mixed fastener one-stop procurement

Stainless Steel Din 6799 E Type Circlip Retaining Ring

Nominal Diameter d		0.8	1.2	1.5	1.9	2.3	3.2	4	5	6
h	Nominal Size	0.2	0.3	0.4	0.5	0.6	0.6	0.7	0.7	0.7
	max	0.22	0.32	0.42	0.52	0.62	0.62	0.72	0.72	0.72
	min	0.18	0.28	0.38	0.48	0.58	0.58	0.68	0.68	0.68
n	Nominal Size	0.58	1.01	1.28	1.61	1.94	2.7	3.34	4.11	5.26
	max	0.62	1.05	1.32	1.65	1.98	2.74	3.388	4.158	5.308
	min	0.54	0.97	1.24	1.57	1.9	2.66	3.292	4.062	5.212
d_c	max	2.25	3.25	4.25	4.8	6.3	7.3	9.3	11.3	12.3
per 1000 units ≈ kg		0.003	0.009	0.021	0.040	0.069	0.088	0.158	0.236	0.255

Nominal Diameter d		7	8	9	10	12	15	19	24	30
h	Nominal Size	0.9	1	1.1	1.2	1.3	1.5	1.75	2	2.5
	max	0.92	1.03	1.13	1.23	1.33	1.53	1.78	2.03	2.53
	min	0.88	0.97	1.07	1.17	1.27	1.47	1.72	1.97	2.47
n	Nominal Size	5.84	6.52	7.63	8.32	10.45	12.61	15.92	21.88	25.8
	max	5.888	6.578	7.688	8.378	10.52	12.68	15.99	21.964	25.884
	min	5.792	6.462	7.572	8.262	10.38	12.54	15.85	21.796	25.716
d_c	max	14.3	16.3	18.8	20.4	23.4	29.4	37.6	44.6	52.6
per 1000 units ≈ kg		0.474	0.660	1.09	1.25	1.63	3.37	6.42	8.55	13.5

Competitive Product Attributes & Global On-Site Working Cases

1. No groove required for installation, breaking the limitation of traditional circlips. It can be directly clamped on smooth shaft surfaces, eliminating the need for shaft grooving processing, greatly reducing workpiece processing cost and improving assembly efficiency.

2. Unique E-type open elastic structure provides uniform and stable circumferential clamping force, effectively limiting axial sliding and falling off of light-load shaft parts, with reliable anti-loosening and limiting effect under conventional vibration conditions.

3. Tool-free quick assembly and disassembly, simple operation and high efficiency, perfectly suitable for batch production lines and daily equipment maintenance scenarios, solving the trouble of complicated installation of conventional circlips.

4. After integral heat treatment, the ring body has excellent elastic toughness and anti-fatigue performance, maintaining stable clamping elasticity after repeated disassembly and long-term operation without relaxation or failure.

5. Compact and lightweight with diversified material options, widely applicable to light machinery, electronic equipment, household appliances, toy accessories, miniature automation parts and other light-load shaft limiting scenarios.

Stainless Steel Din 6799 E Type Circlip Retaining Ring

FAQ

Q1: What is the difference between DIN 6799 and DIN 471 circlip?

A1: DIN 471 is a closed elastic circlip that must be installed in a reserved shaft groove with professional pliers; DIN 6799 is an open E-type circlip, which can be directly clamped on a smooth shaft without grooving, featuring faster installation and simpler structure, suitable for light-load limiting scenarios.

Q2: Does DIN 6799 require reserved grooves on the shaft?

A2: No groove is needed. Relying on its own elastic clamping force, it can be stably fixed on the smooth shaft surface, which is the biggest advantage over traditional standard circlips and greatly simplifies the machining process.

Q3: Is the clamping force of E-type circlip sufficient?

A3: Our DIN 6799 circlips adopt strict elastic calibration treatment. The standard clamping force fully meets the limiting requirements of light and medium load scenarios. It is not recommended for heavy-load and strong-vibration key equipment connections.

Q4: What are the main application scenarios of DIN 6799?

A4: It is widely used for limiting and fixing miniature shafts, pin shafts, rollers and movable parts in light industrial machinery, electronic products, electrical equipment, automation accessories, daily hardware and toy machinery.

Q5: Can you customize special elastic E-type circlips?

A5: Yes. We support customizing thickened reinforced models, special opening elasticity, non-standard outer diameter and anti-corrosion surface treatment to meet personalized light-load assembly requirements.

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