Threaded Chain Connectors | Pulling Eyes & Winch Lines
Threaded Chain Connectors for Pulling Eyes, Winch Lines & Harnesses — Product Overview
Threaded Chain Connectors provide a quick and convenient way to connect pulling eyes or swivels to winch lines, harnesses, or rope. Designed for cable stringing and pulling applications, these reusable connectors feature a threaded nut that screws onto the threaded end to secure the connection.
To make a connection, place the compatible pulling component over the threaded end and screw the nut into position. The connectors are designed for use in cable stringing or pulling applications only.
Key Features
- Quick Connection: Connect pulling eyes or swivels to winch lines, harnesses, or rope using the threaded nut design.
- Reusable Design: The connectors can be reused by opening and securing the threaded nut when changing connections.
- Multiple Connector Sizes: Available in five currently active sizes, from 1/8" to 3/8".
- Range of Working Load Limits: Manufacturer-listed working load limits range from 200 lbs to 1,760 lbs across the five active models.
- Versatile Compatibility: Manufacturer compatibility information identifies applications with reusable power pulling eyes, fixed-head innerduct pulling eyes, and pulling harnesses.
- Pair With: Reusable Power Pulling Eyes LINK
Application Note: These connectors are intended for cable stringing or pulling only.
Technical Specifications
| Part Number | Working Load Limit (lbs) | Working Load Limit (N) | Stock Diameter S (in) | Stock Diameter S (mm) | Threaded Shaft T (in) | Threaded Shaft T (mm) | Opening Width A (in) | Opening Width A (mm) | Length B (in) | Length B (mm) | Inside Length C (in) | Inside Length C (mm) | Width D (in) | Width D (mm) | Inside Width E (in) | Inside Width E (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 08581212 | 200 | 890 | 0.125 | 3.2 | 0.20 | 5 | 0.375 | 9.5 | 1.813 | 46.0 | 1.563 | 40 | 0.79 | 20 | 0.37 | 9.4 |
| 08581218 | 550 | 2,446 | 0.188 | 4.8 | 0.27 | 7 | 0.500 | 12.7 | 2.438 | 61.9 | 2.063 | 52 | 1.06 | 27 | 0.54 | 13.7 |
| 08581225 | 770 | 3,425 | 0.250 | 6.4 | 0.35 | 9 | 0.563 | 14.3 | 2.750 | 69.9 | 2.313 | 59 | 1.17 | 30 | 0.52 | 13.2 |
| 08581231 | 1,430 | 6,361 | 0.313 | 7.9 | 0.43 | 11 | 0.688 | 17.5 | 3.438 | 87.3 | 2.813 | 71 | 1.57 | 40 | 0.69 | 17.5 |
| 08581237 | 1,760 | 7,828 | 0.375 | 9.5 | 0.47 | 12 | 0.750 | 19.1 | 3.750 | 95.3 | 3.000 | 76 | 1.68 | 43 | 0.74 | 18.8 |
Compatibility Information
| Part Number | Size (in) | Size (mm) | Standard Head Reusable Power Pulling Eye Cable Size | Fixed Head Innerduct Pulling Eyes | Separate Leg Ends | Large Front Link Size |
|---|---|---|---|---|---|---|
| 08581212 | 1/8 | 3 | - | - | 1/8", 1/4" | - |
| 08581218 | 3/16 | 5 | 1/0 - 500 kcmil | All | 1/8", 1/4", 3/8" | 1/8" (3 mm) |
| 08581225 | 1/4 | 6 | 1/0 - 500 kcmil | All | 1/8", 1/4", 3/8" | 1/8" (3 mm) |
| 08581231 | 5/16 | 8 | 600 - 1000 kcmil | All | All Cable | 1/8" (3 mm), 3 x 1/4" (6 mm), 2 x 1/2" (13 mm), Chain |
| 08581237 | 3/8 | 10 | - | All | All Cable | 1/8" (3 mm), 3 & 4 x 3/8" (10 mm), 2 x 1/2" (13 mm), Chain |
Compatibility Note: Refer to the manufacturer compatibility information when selecting a connector for a specific pulling eye, innerduct pulling eye, or pulling harness.
Application Restriction: These connectors are intended for cable stringing or pulling only.

