Round Wire Snap Rings Shafts

Round Wire Snap Rings Shafts are a type of axial positioning fastener with a simple structure, low cost and easy installation. They are made by winding and cutting round-section spring steel wires, and their shape is a C-shaped ring with an opening. By utilizing their own elasticity, they can fit into the semi-circular grooves on the shaft to form a "shoulder" to fix components such as bearings and gears, preventing them from moving axially on the shaft.

Core structure and installation principle

By relying on elastic deformation, the Round Wire Snap Rings Shafts with an outer diameter larger than the shaft diameter will expand when installed, fitting into the semi-circular groove on the upper part of the shaft, and fully rebounding to the bottom of the groove after release to achieve fixation.

Opening type

It is divided into two types: one with a tooling hole (which can be assembled and disassembled using a locking pliers) and the other without a hole (to facilitate installation, a specific clamping cutting angle is usually left at the end).

Cross-sectional shape

The use of Round Wire contrasts sharply with the Square/Rectangular Section retaining rings formed by stamping.

Product advantages

Taking into account the structural features of the Round Wire Snap Rings Shafts, the following core advantages and characteristics are demonstrated:

High value for money

The Round Wire Snap Rings Shafts is made of steel wire as the raw material, which generates almost no edge or corner waste. This avoids the high cost of molds and is an economical and efficient option.

Easy installation

The installation and disassembly can usually be completed using standard locking pliers, which helps to enhance the efficiency of assembly and maintenance.

 Compact space

It has a compact design and doesn’t take up much space on the shaft or inside the hole. That makes it a good fit for tight spots where space is limited.

 Load‑bearing characteristics

How much thrust it can handle is usually less than what you get with circular or rectangular cross‑section types. So it’s more suited for light to medium loads.

Material selection

The Round Wire Snap Rings Shafts commonly made from spring steel or stainless steel. You can also pick surface finishes like black oxide or phosphating to give them some rust protection.

Mon	Φ26	Φ28	Φ30	Φ32	Φ35	Φ38	Φ40	Φ42	Φ45	Φ48	Φ50
d max	29.02	31.12	33.12	35.62	39	42	44	46	49	52.2	54.2
d min	28.5	30.5	32.5	35	38	41	43	45	48	51	53
d0	2	2	2	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5
n	10	10	10	12	12	12	12	16	16	16	16