Collection: Collars - Hex Bore - Two Piece - 303 Stainless Steel

Collars -> Hex Bore -> Two Piece -> 303 Stainless Steel

There is only 1 product in the sub-categories of Collars - Hex Bore - Two Piece - 303 Stainless Steel. Browse the Collars - Hex Bore - Two Piece - 303 Stainless Steel products table.

Category Details

A selection of 303 Stainless Steel Two Piece Hex Bore Collars. This is the main category in this series

  • Simple, ring-shaped component, typically made of metal or plastic, that fastens around a hex shaped 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 - Hex Bore - Two Piece - 303 Stainless Steel category on the MBA Minibearings main store.
Suitable Shaft Size (d) Outside Diameter (D) Overall Width (S) Screw Size Indicative
Image
Hex Bore Collars - 6.35x20.7x6.4 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
6.350
mm

(Equiv. 0.25 in.)
Outside Diameter (D)
20.70
mm

(Equiv. 0.815 in.)
Overall Width (S)
6.4
mm

(Equiv. 0.252 in.)
Screw Size
4-40 UNC
Hex Bore Collars - 6.35x20.7x6.4 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80   
Part Number: COH-00635-021-06-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $136.41 AUD
Regular price Sale price $136.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Suitable Shaft Size (d) Outside Diameter (D) Overall Width (S) Indicative
Image
Hex Bore Collars - 6.35x20.7x6.4 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Suitable Shaft Size (d)
6.350
mm

(Equiv. 0.25 in.)
Outside Diameter (D)
20.70
mm

(Equiv. 0.815 in.)
Overall Width (S)
6.4
mm

(Equiv. 0.252 in.)
Hex Bore Collars - 6.35x20.7x6.4 mm - Stainless Steel 303/304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Screw Size: 4-40 UNC   
Part Number: COH-00635-021-06-2P-S3 (Each)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 20, 2026
Regular price $136.41 AUD
Regular price Sale price $136.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.