Stafford Manufacturing Corp. | The Super Source for Collars & Couplings
Stafford Manufacturing Corp.
256 Andover St.
Wilmington, MA 01887

Phone: 978.657.8000 or 800.695.5551
Fax: 978.657.4731 or 800.649.5101
Email: sales@staffordmfg.com
Website: www.staffordmfg.com
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  • Fit standard UNF/UNC threaded shafts
  • Superior holding power over set-screw type collars
  • Offered in High Strength and Low Profile styles
UNF/UNC 1-Piece Threaded Collars are used on standard threaded shafts, either UNF (fine thread) or UNC (coarse thread). They are precision machined, non-marring, easy to adjust, with high clamping power.

Stocked in:
  • Steel
  • Stainless Steel
HS Stainless 1PC Threaded.jpg
Unit of Measure
1 2 3 4 

Part Number

Threaded Bore Size

Material

Type

Outside Diameter

Width

CAD

7S002F N/A 10-32 N/A Stainless Steel N/A Low Profile N/A 0.625 in N/A 0.313 in N/A CAD Icon (for items table)
7L002F N/A 10-32 N/A Steel N/A Low Profile N/A 0.625 in N/A 0.313 in N/A CAD Icon (for items table)
4S004 N/A 1/4-20 N/A Stainless Steel N/A High Strength N/A 0.813 in N/A 0.250 in N/A CAD Icon (for items table)
7S004C N/A 1/4-20 N/A Stainless Steel N/A Low Profile N/A 0.688 in N/A 0.313 in N/A CAD Icon (for items table)
4L004 N/A 1/4-20 N/A Steel N/A High Strength N/A 0.813 in N/A 0.250 in N/A CAD Icon (for items table)
7L004C N/A 1/4-20 N/A Steel N/A Low Profile N/A 0.688 in N/A 0.313 in N/A CAD Icon (for items table)
3S004 N/A 1/4-28 N/A Stainless Steel N/A High Strength N/A 0.813 in N/A 0.250 in N/A CAD Icon (for items table)
7S004F N/A 1/4-28 N/A Stainless Steel N/A Low Profile N/A 0.688 in N/A 0.313 in N/A CAD Icon (for items table)
3L004 N/A 1/4-28 N/A Steel N/A High Strength N/A 0.813 in N/A 0.250 in N/A CAD Icon (for items table)
7L004F N/A 1/4-28 N/A Steel N/A Low Profile N/A 0.688 in N/A 0.313 in N/A CAD Icon (for items table)
4S005 N/A 5/16-18 N/A Stainless Steel N/A High Strength N/A 0.813 in N/A 0.250 in N/A CAD Icon (for items table)
7S005C N/A 5/16-18 N/A Stainless Steel N/A Low Profile N/A 0.688 in N/A 0.313 in N/A CAD Icon (for items table)
4L005 N/A 5/16-18 N/A Steel N/A High Strength N/A 0.813 in N/A 0.250 in N/A CAD Icon (for items table)
7L005C N/A 5/16-18 N/A Steel N/A Low Profile N/A 0.688 in N/A 0.313 in N/A CAD Icon (for items table)
3S005 N/A 5/16-24 N/A Stainless Steel N/A High Strength N/A 0.813 in N/A 0.250 in N/A CAD Icon (for items table)
7S005F N/A 5/16-24 N/A Stainless Steel N/A Low Profile N/A 0.688 in N/A 0.313 in N/A CAD Icon (for items table)
3L005 N/A 5/16-24 N/A Steel N/A High Strength N/A 0.813 in N/A 0.250 in N/A CAD Icon (for items table)
7L005F N/A 5/16-24 N/A Steel N/A Low Profile N/A 0.688 in N/A 0.313 in N/A CAD Icon (for items table)
4S006 N/A 3/8-16 N/A Stainless Steel N/A High Strength N/A 1.063 in N/A 0.313 in N/A CAD Icon (for items table)
7S006C N/A 3/8-16 N/A Stainless Steel N/A Low Profile N/A 0.875 in N/A 0.375 in N/A CAD Icon (for items table)
4L006 N/A 3/8-16 N/A Steel N/A High Strength N/A 1.063 in N/A 0.313 in N/A CAD Icon (for items table)
7L006C N/A 3/8-16 N/A Steel N/A Low Profile N/A 0.875 in N/A 0.375 in N/A CAD Icon (for items table)
3S006 N/A 3/8-24 N/A Stainless Steel N/A High Strength N/A 1.063 in N/A 0.313 in N/A CAD Icon (for items table)
7S006F N/A 3/8-24 N/A Stainless Steel N/A Low Profile N/A 0.875 in N/A 0.375 in N/A CAD Icon (for items table)
3L006 N/A 3/8-24 N/A Steel N/A High Strength N/A 1.063 in N/A 0.313 in N/A CAD Icon (for items table)
Unit of Measure
1 2 3 4