Collection: Retaining Rings - Internal - Round Wire

7 Products in this selection
  • Includes DIN7993B / RB / M1700 / BN826. Retaining rings. Snap Rings (USA). Round section circlips.
  • Round section wire rings are mostly used in semicircular grooves.
  • Applications include gear systems, automotive engineering and open gudgeon pins.
Small Parts & Bearings

Additional resources:
Anderton and Seeger Cross Reference PDF
Circlips PDF Catalogue

A more comprehensive listing may be found on the MBA Minibearings main store at Retaining Rings - Internal - Round Wire.
Housing Bore (B) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip OD (Dr) Radial Wall (S) Groove Width (W) Indicative
Image
Housing Bore (B)
10.00
mm

(0.394 in.)
Clip Thickness (T)
0.8
mm
B DIN 2076
(0.031 in.)
Groove Dia. (Dg)
10.80
mm
+ 0.3 / - 0.0
(0.425 in.)
Approx. Loose Circlip OD (Dr)
10.90
mm
Groove Width (W)
1.00
Internal Retaining Rings - 10x0.8x10.8 mm - Spring Steel
Material: Carbon Spring Steel    Free Inside Diameter (D): 9.3    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 0.50 mm    Gap (g): 4.00 mm   
Part Number: WRI-0100-RD (12500 Pcs) Internal Retaining Rings - 10x0.8x10.8 mm Round Wire - Carbon Spring Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Feb 16, 2026
Regular price $765.14 AUD
Regular price $1,462.50 AUD Sale price $765.14 AUD
Per 12500
Housing Bore (B) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip OD (Dr) Indicative
Image
Housing Bore (B)
10.00
mm

(0.394 in.)
Clip Thickness (T)
0.8
mm
B DIN 2076
(0.031 in.)
Groove Dia. (Dg)
10.80
mm
+ 0.3 / - 0.0
(0.425 in.)
Approx. Loose Circlip OD (Dr)
10.90
mm
Internal Retaining Rings - 10x0.8x10.8 mm - Spring Steel
Material: Carbon Spring Steel    Groove Width (W): 1.00    Free Inside Diameter (D): 9.3    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 0.50 mm    Gap (g): 4.00 mm   
Part Number: WRI-0100-RD (12500 Pcs) Internal Retaining Rings - 10x0.8x10.8 mm Round Wire - Carbon Spring Steel
Out of Stock | Backorder Now | Orders can be expected around Mon, Feb 16, 2026
Regular price $765.14 AUD
Regular price $1,462.50 AUD Sale price $765.14 AUD
Per 12500
View the product page first if you are unsure.
Housing Bore (B)
12.00
mm

(0.472 in.)
Clip Thickness (T)
1.0
mm
B DIN 2076
(0.039 in.)
Groove Dia. (Dg)
13.00
mm
+ 0.4 / - 0.0
(0.512 in.)
Approx. Loose Circlip OD (Dr)
13.20
mm
Groove Width (W)
1.20
Internal Retaining Rings - 12x1x13 mm - Spring Steel
Material: Carbon Spring Steel    Free Inside Diameter (D): 11.2    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 0.60 mm    Gap (g): 6.00 mm   
Part Number: WRI-0120-RD (50 Pcs) Internal Retaining Rings - 12x1x13 mm - Carbon Spring Steel
9 units (450 pcs) Available Now | Further orders can be expected around Tue, Jul 22, 2025
Regular price $9.05 AUD
Regular price Sale price $9.05 AUD
Per 50
Housing Bore (B)
12.00
mm

(0.472 in.)
Clip Thickness (T)
1.0
mm
B DIN 2076
(0.039 in.)
Groove Dia. (Dg)
13.00
mm
+ 0.4 / - 0.0
(0.512 in.)
Approx. Loose Circlip OD (Dr)
13.20
mm
Internal Retaining Rings - 12x1x13 mm - Spring Steel
Material: Carbon Spring Steel    Groove Width (W): 1.20    Free Inside Diameter (D): 11.2    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 0.60 mm    Gap (g): 6.00 mm   
Part Number: WRI-0120-RD (50 Pcs) Internal Retaining Rings - 12x1x13 mm - Carbon Spring Steel
9 units (450 pcs) Available Now | Further orders can be expected around Tue, Jul 22, 2025
Regular price $9.05 AUD
Regular price Sale price $9.05 AUD
Per 50
View the product page first if you are unsure.
Housing Bore (B)
26.00
mm

(1.024 in.)
Clip Thickness (T)
2.0
mm
B DIN 2076
(0.079 in.)
Groove Dia. (Dg)
28.00
mm
+ 0.5 / - 0.0
(1.102 in.)
Approx. Loose Circlip OD (Dr)
28.30
mm
Groove Width (W)
2.20
Internal Retaining Rings - 26x2x28 mm - Spring Steel
Material: Carbon Spring Steel    Free Inside Diameter (D): 24.3    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.10 mm    Gap (g): 10.000 mm   
Part Number: WRI-0260-RD Internal Retaining Rings - 26x2x28 mm - Carbon Spring Steel
466 Available Now | Further orders can be expected around Tue, Jul 22, 2025
Regular price $1.95 AUD
Regular price Sale price $1.95 AUD
Each
Housing Bore (B)
26.00
mm

(1.024 in.)
Clip Thickness (T)
2.0
mm
B DIN 2076
(0.079 in.)
Groove Dia. (Dg)
28.00
mm
+ 0.5 / - 0.0
(1.102 in.)
Approx. Loose Circlip OD (Dr)
28.30
mm
Internal Retaining Rings - 26x2x28 mm - Spring Steel
Material: Carbon Spring Steel    Groove Width (W): 2.20    Free Inside Diameter (D): 24.3    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.10 mm    Gap (g): 10.000 mm   
Part Number: WRI-0260-RD Internal Retaining Rings - 26x2x28 mm - Carbon Spring Steel
466 Available Now | Further orders can be expected around Tue, Jul 22, 2025
Regular price $1.95 AUD
Regular price Sale price $1.95 AUD
Each
View the product page first if you are unsure.
Housing Bore (B)
28.00
mm

(1.102 in.)
Clip Thickness (T)
2.0
mm
B DIN 2076
(0.079 in.)
Groove Dia. (Dg)
30.00
mm
+ 0.5 / - 0.0
(1.181 in.)
Approx. Loose Circlip OD (Dr)
30.30
mm
Groove Width (W)
2.20
Internal Retaining Rings - 28x2x30 mm - Spring Steel
Material: Carbon Spring Steel    Free Inside Diameter (D): 26.3    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.10 mm    Gap (g): 10.000 mm   
Part Number: WRI-0280-RD Internal Retaining Rings - 28x2x30 mm - Carbon Spring Steel
40 Available Now | Further orders can be expected around Tue, Jul 22, 2025
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Each
Housing Bore (B)
28.00
mm

(1.102 in.)
Clip Thickness (T)
2.0
mm
B DIN 2076
(0.079 in.)
Groove Dia. (Dg)
30.00
mm
+ 0.5 / - 0.0
(1.181 in.)
Approx. Loose Circlip OD (Dr)
30.30
mm
Internal Retaining Rings - 28x2x30 mm - Spring Steel
Material: Carbon Spring Steel    Groove Width (W): 2.20    Free Inside Diameter (D): 26.3    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.10 mm    Gap (g): 10.000 mm   
Part Number: WRI-0280-RD Internal Retaining Rings - 28x2x30 mm - Carbon Spring Steel
40 Available Now | Further orders can be expected around Tue, Jul 22, 2025
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Each
View the product page first if you are unsure.
Housing Bore (B)
30.00
mm

(1.181 in.)
Clip Thickness (T)
2.0
mm
B DIN 2076
(0.079 in.)
Groove Dia. (Dg)
32.00
mm
+ 0.5 / - 0.0
(1.26 in.)
Approx. Loose Circlip OD (Dr)
32.30
mm
Groove Width (W)
2.20
Internal Retaining Rings - 30x2x32 mm - Spring Steel
Material: Carbon Spring Steel    Free Inside Diameter (D): 28.3    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.10 mm    Gap (g): 10.000 mm   
Part Number: WRI-0300-RD (2 Pcs) Internal Retaining Rings - 30x2x32 mm - Carbon Spring Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jul 22, 2025
Regular price $1.59 AUD
Regular price Sale price $1.59 AUD
Per 2
Housing Bore (B)
30.00
mm

(1.181 in.)
Clip Thickness (T)
2.0
mm
B DIN 2076
(0.079 in.)
Groove Dia. (Dg)
32.00
mm
+ 0.5 / - 0.0
(1.26 in.)
Approx. Loose Circlip OD (Dr)
32.30
mm
Internal Retaining Rings - 30x2x32 mm - Spring Steel
Material: Carbon Spring Steel    Groove Width (W): 2.20    Free Inside Diameter (D): 28.3    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.10 mm    Gap (g): 10.000 mm   
Part Number: WRI-0300-RD (2 Pcs) Internal Retaining Rings - 30x2x32 mm - Carbon Spring Steel
Out of Stock | Backorder Now | Orders can be expected around Tue, Jul 22, 2025
Regular price $1.59 AUD
Regular price Sale price $1.59 AUD
Per 2
View the product page first if you are unsure.
Housing Bore (B)
42.00
mm

(1.654 in.)
Clip Thickness (T)
2.5
mm
B DIN 2076
(0.098 in.)
Groove Dia. (Dg)
44.50
mm
+ 0.8 / - 0.0
(1.752 in.)
Approx. Loose Circlip OD (Dr)
45.00
mm
Groove Width (W)
2.80
Internal Retaining Rings - 42x2.5x44.5 mm - Spring Steel
Material: Carbon Spring Steel    Free Inside Diameter (D): 40    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.40 mm    Gap (g): 16.00 mm   
Part Number: WRI-0420-RD (10 Pcs) Internal Retaining Rings - 42x2.5x44.5 mm - Carbon Spring Steel
12 units (120 pcs) Available Now | Item Discontinued - Up to 12 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $20.00 AUD
Regular price $38.00 AUD Sale price $20.00 AUD
Per 10
Housing Bore (B)
42.00
mm

(1.654 in.)
Clip Thickness (T)
2.5
mm
B DIN 2076
(0.098 in.)
Groove Dia. (Dg)
44.50
mm
+ 0.8 / - 0.0
(1.752 in.)
Approx. Loose Circlip OD (Dr)
45.00
mm
Internal Retaining Rings - 42x2.5x44.5 mm - Spring Steel
Material: Carbon Spring Steel    Groove Width (W): 2.80    Free Inside Diameter (D): 40    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.40 mm    Gap (g): 16.00 mm   
Part Number: WRI-0420-RD (10 Pcs) Internal Retaining Rings - 42x2.5x44.5 mm - Carbon Spring Steel
12 units (120 pcs) Available Now | Item Discontinued - Up to 12 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $20.00 AUD
Regular price $38.00 AUD Sale price $20.00 AUD
Per 10
Housing Bore (B)
85.00
mm

(3.346 in.)
Clip Thickness (T)
3.2
mm
B DIN 2076
(0.126 in.)
Groove Dia. (Dg)
88.20
mm
+ 1.0 / - 0.0
(3.472 in.)
Approx. Loose Circlip OD (Dr)
89.00
mm
Groove Width (W)
3.60
Internal Retaining Rings - 85x3.2x88.2 mm - Spring Steel
Material: Carbon Spring Steel    Free Inside Diameter (D): 82.6    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.80 mm    Gap (g): 25.000 mm   
Part Number: WRI-0850-RD Internal Retaining Rings - 85x3.2x88.2 mm Round Wire - Carbon Spring Steel
6 Available Now | Further orders can be expected around Tue, Jul 22, 2025
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Each
Housing Bore (B)
85.00
mm

(3.346 in.)
Clip Thickness (T)
3.2
mm
B DIN 2076
(0.126 in.)
Groove Dia. (Dg)
88.20
mm
+ 1.0 / - 0.0
(3.472 in.)
Approx. Loose Circlip OD (Dr)
89.00
mm
Internal Retaining Rings - 85x3.2x88.2 mm - Spring Steel
Material: Carbon Spring Steel    Groove Width (W): 3.60    Free Inside Diameter (D): 82.6    Info: DIN7993    Section Profile: Round Section    Groove Radius (r): 1.80 mm    Gap (g): 25.000 mm   
Part Number: WRI-0850-RD Internal Retaining Rings - 85x3.2x88.2 mm Round Wire - Carbon Spring Steel
6 Available Now | Further orders can be expected around Tue, Jul 22, 2025
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Each
View the product page first if you are unsure.