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Two-Piece Shaft Collars

Two-piece shaft collars offer the same benefits as the one-piece style with additional versatility and convenience. The split design is easily installed and disassembled, reducing labor and downtime when adjustment, removal, or replacement is necessary. The two-piece shaft collar uses the full seating torque of its forged screws to apply a uniform distribution of forces around the shaft's circumference. These clamping forces provide the collar with a holding power superior to one-piece and set screw shaft collars. Ruland keeps both halves of the split collar together throughout the manufacturing process to assure a perfect match for proper fit, alignment, and holding power. This process also makes the two-piece collar more adaptable to shafts which vary a small amount from nominal size. Ruland manufactures two-piece clamp shaft collars in 1215 lead-free steel with a zinc or proprietary black oxide finish, 303 and 316 stainless steel, high-strength 2024 aluminum with or without an anodize finish, titanium, and engineered plastic. Bore sizes range from 1/8" to 6" and 3mm to 150mm.

Features

  • Does not mar the shaft
  • Superior fit, finish and holding power
  • Available with keyways (SPK Series)
  • Opposing screws available (SPB Series)
  • RoHS3 and REACH Compliant
  • Width tolerance: +.003”/-.010”
  • Bore tolerance: +.002”/+.0005”
  • Temperature Range (Deg. F)
    Steel: -40° to 350°
    Zinc Plated Steel: -40° to 350°
    Aluminum: -40° to 225°
    Stainless: -40° to 350°
    Plastic: -10° to 185°
Line DrawingLine Drawing

How to Specify

Part numbers are in the following format with numbers representing sixteenths of an inch or millimeters:

Part Number Identification

Products

View as Grid Table

Items 1-24 of 1708

Set Descending Direction
  1. Ruland ATSP-10-18-F - Acme Threaded Shaft Collar
    ATSP-10-10-F
    Ruland ATSP-10-10-F, 5/8" - 10 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 1 5/16" OD, 0.437" Width
  2. Ruland ATSP-10-10-SS - Acme Threaded Shaft Collar
    ATSP-10-10-SS
    Ruland ATSP-10-10-SS, 5/8" - 10 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 1 5/16" OD, 0.437" Width
  3. Ruland ATSP-10-8-F - Acme Threaded Shaft Collar
    ATSP-10-8-F
    Ruland ATSP-10-8-F, 5/8" - 8 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 1 5/16" OD, 0.437" Width
  4. Ruland ATSP-10-8-SS - Acme Threaded Shaft Collar
    ATSP-10-8-SS
    Ruland ATSP-10-8-SS, 5/8" - 8 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 1 5/16" OD, 0.437" Width
  5. Ruland ATSP-12-10-F, Acme Threaded Shaft Collar
    ATSP-12-10-F
    Ruland ATSP-12-10-F, 3/4" - 10 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 1 1/2" OD, 0.500" Width
  6. Ruland ATSP-12-10-SS, Acme Threaded Shaft Collar
    ATSP-12-10-SS
    Ruland ATSP-12-10-SS, 3/4" - 10 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 1 1/2" OD, 0.500" Width
  7. Ruland ATSP-12-6-F, Acme Threaded Shaft Collar
    ATSP-12-6-F
    Ruland ATSP-12-6-F, 3/4" - 6 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 1 1/2" OD, 0.500" Width
  8. Ruland ATSP-12-6-SS, Acme Threaded Shaft Collar
    ATSP-12-6-SS
    Ruland ATSP-12-6-SS, 3/4" - 6 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 1 1/2" OD, 0.500" Width
  9. Ruland ATSP-16-10-F, Acme Threaded Shaft Collar
    ATSP-16-10-F
    Ruland ATSP-16-10-F, 1" - 10 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 1 3/4" OD, 0.500" Width
  10. Ruland ATSP-16-10-SS, Acme Threaded Shaft Collar
    ATSP-16-10-SS
    Ruland ATSP-16-10-SS, 1" - 10 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 1 3/4" OD, 0.500" Width
  11. Ruland ATSP-16-4-F, Acme Threaded Shaft Collar
    ATSP-16-4-F
    Ruland ATSP-16-4-F, 1" - 4 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 1 3/4" OD, 0.500" Width
  12. Ruland ATSP-16-4-SS - Acme Threaded Shaft Collar
    ATSP-16-4-SS
    Ruland ATSP-16-4-SS, 1" - 4 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 1 3/4" OD, 0.500" Width
  13. Ruland ATSP-16-5-F - Acme Threaded Shaft Collar
    ATSP-16-5-F
    Ruland ATSP-16-5-F, 1" - 5 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 1 3/4" OD, 0.500" Width
  14. Ruland ATSP-16-5-SS, Acme Threaded Shaft Collar
    ATSP-16-5-SS
    Ruland ATSP-16-5-SS, 1" - 5 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 1 3/4" OD, 0.500" Width
  15. Ruland ATSP-20-5-F - Acme Threaded Shaft Collar
    ATSP-20-5-F
    Ruland ATSP-20-5-F, 11/4" - 5 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 2 1/16" OD, 0.500" Width
  16. Ruland ATSP-24-4-F - Acme Threaded Shaft Collar
    ATSP-24-4-F
    Ruland ATSP-24-4-F, 1 1/2" - 4 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 2 3/8" OD, 0.563" Width
  17. Ruland ATSP-16-4-SS - Acme Threaded Shaft Collar
    ATSP-24-4-SS
    Ruland ATSP-24-4-SS, 1 1/2" - 4 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 2 3/8" OD, 0.563" Width
  18. Ruland ATSP-4-16-F, Acme Threaded Shaft Collar
    ATSP-4-16-F
    Ruland ATSP-4-16-F, 1/4" - 16 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 5/8" OD, 0.281" Width
  19. Ruland ATSP-4-16-SS, Acme Threaded Shaft Collar
    ATSP-4-16-SS
    Ruland ATSP-4-16-SS, 1/4" - 16 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 5/8" OD, 0.281" Width
  20. Ruland ATSP-6-12-F, Acme Threaded Shaft Collar
    ATSP-6-12-F
    Ruland ATSP-6-12-F, 3/8" - 12 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 7/8" OD, 0.343" Width
  21. Ruland ATSP-6-12-SS, Acme Threaded Shaft Collar
    ATSP-6-12-SS
    Ruland ATSP-6-12-SS, 3/8" - 12 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 7/8" OD, 0.343" Width
  22. Ruland ATSP-6-16-F, Acme Threaded Shaft Collar
    ATSP-6-16-F
    Ruland ATSP-6-16-F, 3/8" - 16 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 7/8" OD, 0.343" Width
  23. Ruland ATSP-6-16-SS, Acme Threaded Shaft Collar
    ATSP-6-16-SS
    Ruland ATSP-6-16-SS, 3/8" - 16 TPI Acme Threaded Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 7/8" OD, 0.343" Width
  24. Ruland ATSP-8-10-F, Acme Threaded Shaft Collar
    ATSP-8-10-F
    Ruland ATSP-8-10-F, 1/2" - 10 TPI Acme Threaded Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 1 1/8" OD, 0.406" Width
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