Collars - Shaft - Clamp Type - Two Piece - 300 Grade Stainless Steel

Collars -> Shaft -> Clamp Type -> Two Piece -> 300 Grade Stainless Steel

There are 7 products in the sub-categories of Collars - Shaft - Clamp Type - Two Piece - 300 Grade Stainless Steel. Browse the Collars - Shaft - Clamp Type - Two Piece - 300 Grade Stainless Steel products table.

Category Details

A selection of 300 Grade Stainless Steel Two Piece Clamp Type Shaft Collars. Includes 303 and 304 Grade Stainless

  • Simple, ring-shaped component, typically made of metal or plastic, that fastens around a round shaft to hold other parts in place or to act as a mechanical stop.
  • Essential in power transmission applications for securing items like bearings, sprockets, and gear assemblies.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Collars - Shaft - Clamp Type - Two Piece - 300 Grade Stainless Steel category on the MBA Minibearings main store.
Suitable Shaft Size (d) Outside Diameter (D) Overall Width (S) Screw Size Screw Centres (E) Indicative
Image
Shaft Collars - 3.175x15.88x7.9 mm Clamp Type - Stainless Steel 304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
3.175
mm

(Equiv. 0.125 in.)
Outside Diameter (D)
15.88
mm

(Equiv. 0.625 in.)
Overall Width (S)
7.9
mm

(Equiv. 0.311 in.)
Shaft Collars - 3.175x15.88x7.9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Additional stock available from USA subject to Prior Sale = 275
Part Number: COL-00318-016-08-2C-S4 (Each)
2 Available Now | Further orders can be expected around Fri, Jan 23, 2026
$12.14 AUD
$14.56 AUD $12.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Suitable Shaft Size (d) Outside Diameter (D) Overall Width (S) Indicative
Image
Shaft Collars - 3.175x15.88x7.9 mm Clamp Type - Stainless Steel 304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
3.175
mm

(Equiv. 0.125 in.)
Outside Diameter (D)
15.88
mm

(Equiv. 0.625 in.)
Overall Width (S)
7.9
mm

(Equiv. 0.311 in.)
Shaft Collars - 3.175x15.88x7.9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Additional stock available from USA subject to Prior Sale = 275
Part Number: COL-00318-016-08-2C-S4 (Each)
2 Available Now | Further orders can be expected around Fri, Jan 23, 2026
$12.14 AUD
$14.56 AUD $12.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Shaft Collars - 4.763x15.88x7.9 mm Clamp Type - Stainless Steel 304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
4.763
mm

(Equiv. 0.188 in.)
Outside Diameter (D)
15.88
mm

(Equiv. 0.625 in.)
Overall Width (S)
7.9
mm

(Equiv. 0.311 in.)
Shaft Collars - 4.763x15.88x7.9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Part Number: COL-00476-016-08-2C-S4 (Each)
2 Available Now | Further orders can be expected around Mon, Aug 17, 2026
$9.32 AUD
$11.18 AUD $9.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Shaft Collars - 4.763x15.88x7.9 mm Clamp Type - Stainless Steel 304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
4.763
mm

(Equiv. 0.188 in.)
Outside Diameter (D)
15.88
mm

(Equiv. 0.625 in.)
Overall Width (S)
7.9
mm

(Equiv. 0.311 in.)
Shaft Collars - 4.763x15.88x7.9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Part Number: COL-00476-016-08-2C-S4 (Each)
2 Available Now | Further orders can be expected around Mon, Aug 17, 2026
$9.32 AUD
$11.18 AUD $9.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Shaft Collars - 6.35x15.88x7.9 mm Clamp Type - Stainless Steel 304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
6.350
mm

(Equiv. 0.25 in.)
Outside Diameter (D)
15.88
mm

(Equiv. 0.625 in.)
Overall Width (S)
7.9
mm

(Equiv. 0.311 in.)
Shaft Collars - 6.35x15.88x7.9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Additional stock available from USA subject to Prior Sale = 389
Part Number: COL-00635-016-08-2C-S4 (Each)
2 Available Now | Further orders can be expected around Fri, Jan 23, 2026
$11.86 AUD
$14.24 AUD $11.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Shaft Collars - 6.35x15.88x7.9 mm Clamp Type - Stainless Steel 304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
6.350
mm

(Equiv. 0.25 in.)
Outside Diameter (D)
15.88
mm

(Equiv. 0.625 in.)
Overall Width (S)
7.9
mm

(Equiv. 0.311 in.)
Shaft Collars - 6.35x15.88x7.9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Additional stock available from USA subject to Prior Sale = 389
Part Number: COL-00635-016-08-2C-S4 (Each)
2 Available Now | Further orders can be expected around Fri, Jan 23, 2026
$11.86 AUD
$14.24 AUD $11.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Shaft Collars - 9.525x22.2x8.7 mm Clamp Type - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
9.525
mm

(Equiv. 0.375 in.)
Outside Diameter (D)
22.20
mm

(Equiv. 0.874 in.)
Overall Width (S)
8.7
mm

(Equiv. 0.343 in.)
Screw Size
6-32 UNC (3.5mm)
Shaft Collars - 9.525x22.2x8.7 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Part Number: COL-00953-022-09-2C-S3 (Each)
2 Available Now | Further orders can be expected around Sun, Jan 18, 2026
$21.32 AUD
$25.58 AUD $21.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Shaft Collars - 9.525x22.2x8.7 mm Clamp Type - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
9.525
mm

(Equiv. 0.375 in.)
Outside Diameter (D)
22.20
mm

(Equiv. 0.874 in.)
Overall Width (S)
8.7
mm

(Equiv. 0.343 in.)
Shaft Collars - 9.525x22.2x8.7 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Screw Size: 6-32 UNC (3.5mm)   
Part Number: COL-00953-022-09-2C-S3 (Each)
2 Available Now | Further orders can be expected around Sun, Jan 18, 2026
$21.32 AUD
$25.58 AUD $21.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Shaft Collars - 9.525x22.23x9.5 mm Clamp Type - Stainless Steel 304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
9.525
mm

(Equiv. 0.375 in.)
Outside Diameter (D)
22.23
mm

(Equiv. 0.875 in.)
Overall Width (S)
9.5
mm

(Equiv. 0.374 in.)
Shaft Collars - 9.525x22.23x9.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Additional stock available from USA subject to Prior Sale = 255
Part Number: COL-00953-022-10-2C-S4 (Each)
10 Available Now | Further orders can be expected around Fri, Jan 23, 2026
$21.05 AUD
$21.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 10 available can be backordered.
Shaft Collars - 9.525x22.23x9.5 mm Clamp Type - Stainless Steel 304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
9.525
mm

(Equiv. 0.375 in.)
Outside Diameter (D)
22.23
mm

(Equiv. 0.875 in.)
Overall Width (S)
9.5
mm

(Equiv. 0.374 in.)
Shaft Collars - 9.525x22.23x9.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Additional stock available from USA subject to Prior Sale = 255
Part Number: COL-00953-022-10-2C-S4 (Each)
10 Available Now | Further orders can be expected around Fri, Jan 23, 2026
$21.05 AUD
$21.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

10 Available Now. Backorder if more than 10.
Shaft Collars - 34.925x57.2x14.3 mm Clamp Type - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
34.925
mm

(Equiv. 1.375 in.)
Outside Diameter (D)
57.20
mm

(Equiv. 2.252 in.)
Overall Width (S)
14.3
mm

(Equiv. 0.563 in.)
Screw Size
1/4-28 UNF (6.35mm)
Shaft Collars - 34.925x57.2x14.3 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Part Number: COL-03493-057-14-2C-S3 (Each)
2 Available Now | Further orders can be expected around Sun, Jan 18, 2026
$65.32 AUD
$78.38 AUD $65.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Shaft Collars - 34.925x57.2x14.3 mm Clamp Type - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
34.925
mm

(Equiv. 1.375 in.)
Outside Diameter (D)
57.20
mm

(Equiv. 2.252 in.)
Overall Width (S)
14.3
mm

(Equiv. 0.563 in.)
Shaft Collars - 34.925x57.2x14.3 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Screw Size: 1/4-28 UNF (6.35mm)   
Part Number: COL-03493-057-14-2C-S3 (Each)
2 Available Now | Further orders can be expected around Sun, Jan 18, 2026
$65.32 AUD
$78.38 AUD $65.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Shaft Collars - 50.8x76.2x14.3 mm Clamp Type - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
50.800
mm

(Equiv. 2 in.)
Outside Diameter (D)
76.20
mm

(Equiv. 3 in.)
Overall Width (S)
14.3
mm

(Equiv. 0.563 in.)
Screw Size
5/16-24 UNF
Shaft Collars - 50.8x76.2x14.3 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Part Number: COL-05080-076-14-2C-S3 (Each)
1 Available Now | Further orders can be expected around Sun, Jan 18, 2026
$184.23 AUD
$184.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Shaft Collars - 50.8x76.2x14.3 mm Clamp Type - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
50.800
mm

(Equiv. 2 in.)
Outside Diameter (D)
76.20
mm

(Equiv. 3 in.)
Overall Width (S)
14.3
mm

(Equiv. 0.563 in.)
Shaft Collars - 50.8x76.2x14.3 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Screw Size: 5/16-24 UNF   
Part Number: COL-05080-076-14-2C-S3 (Each)
1 Available Now | Further orders can be expected around Sun, Jan 18, 2026
$184.23 AUD
$184.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.