Collars - Hex Bore - Two Piece - 303 Stainless Steel

1 Item Available

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:
Shaft Collars PDF Catalogue

A more comprehensive listing may be found on the MBA Minibearings main store at Collars - Hex Bore - Two Piece - 303 Stainless Steel.
Suitable Shaft Size (d) Outside Diameter (D) Overall Width (S) Screw Size Indicative
Image
Suitable Shaft Size (d)
6.350
mm
Outside Diameter (D)
20.70
mm
Overall Width (S)
6.4
mm
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) Hex Bore Collars - 6.35x20.7x6.4 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Out of Stock | Backorder Now | Orders can be expected around Sun, Jul 19, 2026
$86.41 AUD
$86.41 AUD
Each
Suitable Shaft Size (d) Outside Diameter (D) Overall Width (S) Indicative
Image
Suitable Shaft Size (d)
6.350
mm
Outside Diameter (D)
20.70
mm
Overall Width (S)
6.4
mm
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) Hex Bore Collars - 6.35x20.7x6.4 mm Two Piece - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Collar
Out of Stock | Backorder Now | Orders can be expected around Sun, Jul 19, 2026
$86.41 AUD
$86.41 AUD
Each
View the product page first if you are unsure.