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R-clips Double Coil and Single Coil

R clips are made of spring steel wire bent into an "R" - shaped symmetrical structure, with a pressing handle at the top and a locking hook on the elastic arm at the bottom. They are inserted into the pin hole through elastic deformation and automatically locked in the groove by the spring arm to achieve axial locking.

Model:
R-clip Double Coil and Single Coil
Brand:
PDM

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Product Description

Features of R-clips

Locking R-clips Title:

Zinc Plating Steel R-clips Pin R clips stainless for Clevis Pin

R Clip Locking Pin Core functions:

Quickly install/remove axial fasteners (such as Clevis Pin, shaft retaining ring) to replace traditional open-end pins (Cotter Pin).

Texture of Material:

High carbon spring steel (surface galvanized for rust prevention) or 304 stainless steel (corrosion-resistant scenario);

Surface Treatment:

Zinc Plated, Dacromet or Plain;

Single Coil:

Wire Dia.:2mm,3mm,4mm,5mm or Customized

Total Length:50mm,60mm,85mm,105mm or Customized

Double Coil:

Wire Dia.:2.8mm,3.6mm,4.5mm,5.6mm or Customized

Total Length:42mm,48mm,64mm,80mm or Customized

R-clips-Pin-01

Form	Main Material	D1	D2	D3	D4=for screwφ	L1	L2
D	Steel	2.25	20	2.5	9-11.2	42	24
D	Steel	2.8	20	3.2	11.2-14	48	26
D	Steel	3.6	20	4	14-20	64	32
D	Steel	4.5	25	5	20-26	80	39
D	Steel	5.6	25	6.3	26-34	97	45
D	Steel	6.3	30	7	34-35	125	56
D	Steel	7	30	8	45-56	150	63
D	Stainless Steel A2	2.25	20	2.5	7-9	42	24
D	Stainless Steel A2	2.8	20	3.2	11-14	48	26
D	Stainless Steel A2	3.6	20	4	14-20	64	32
D	Stainless Steel A2	4.5	25	5	20-26	80	39
D	Stainless Steel A2	5.6	25	6.3	26-34	97	45

Form	Main Material	D1	D2	D3	D4=for screwφ	L1	L2
E	Steel	2	10	2.5	9-14	50	25
E	Steel	3	18	3.5	10-16	60	28
E	Steel	4	20	4.5	16-20	60	30
E	Steel	5	24	6	20-28	85	40
E	Steel	6	30	7	28-40	105	50
E	Steel	7	30	8	28-45	105	50
E	Stainless Steel A2	2	10	2.5	7-8	40	25
E	Stainless Steel A2	2.5	11	3	10-16	46	24
E	Stainless Steel A2	3	16	3.5	16-18	60	34
E	Stainless Steel A2	4	19	4.5	18-20	64	36
E	Stainless Steel A2	5	26	6	20-28	82	45
E	Stainless Steel A2	6	30	7	28-40	110	60

Application:

Agricultural machinery, automotive industry, gearbox shift rod locking, wheel bearing anti loosening buckle, industrial equipment (conveyor belt drum shaft end fixing), etc;

R-clips-02

Correct installation steps for R-Clip Pin

R-Clip Pin (also known as R-pin or spring snap spring) is an elastic locking component used to fix a pin axis (such as a clavis pin), which achieves anti detachment function by inserting a spring arm into a groove. It is suitable for mechanical connections, suspension systems, and other scenarios. The following is an installation guide based on relevant product specifications:

Preparation before installation

Check compatibility: Ensure that the size of the R-Clip Pin (such as diameter, elastic arm length) matches perfectly with the pin shaft tail hole;

Insertion alignment:

Align the bent end of the R-Clip spring arm with the radial hole at the end of the pin shaft, and smoothly push it in along the axis until it completely passes through the hole.

Manually press to lock:

Gently press the spring arm of R-Clip with your thumb or tool, causing it to bend inward and engage with the pin groove; Hearing a 'click' sound or sensing resistance indicates mechanical locking.

Verify fixed:

Gently pull the R-Clip to check for looseness; Ensure that the spring arm is fully embedded in the groove without any signs of bouncing or displacement;