Features
- Pre-set & staked tri-head screws 1/2″ thru 2″
- Hex head screws 2-1/2″ thru 4″
- Heavy steel walls
- Concrete tight when taped
- UL listed for Steel EMT Conduit
- RoHS compliant
Standard Materials
Steel
Standard Finish
Zinc plated
Applicable Third Party Standards
- UL Standard: 514B
- Fed. Spec. W-F-408E
- NEMA: FB-1
- UL Listed File # E200730 sizes 1/2″ – 2″
- UL Listed File # E207875 sizes 2-1/2″ – 4″
| CATALOG NUMBER | TRADE SIZE | DIM A | DIM B | INNER PACK | MASTER PACK | WEIGHT PER C |
|---|---|---|---|---|---|---|
| Steel Setscrew Couplings | ||||||
| SK50RKON | 1/2" | 0.875 | 1.625 | 50 | 500 | 7.8 |
| SK75RKON | 3/4" | 1.130 | 1.875 | 25 | 250 | 12.7 |
| SK100RKON | 1" | 1.190 | 2.313 | 20 | 200 | 19.6 |
| SK125RKON* | 1-1/4" | 1.750 | 2.064 | 10 | 100 | 40.2 |
| SK150RKON* | 1-1/2" | 2.000 | 3.000 | 10 | 100 | 57.5 |
| SK200RKON* | 2" | 2.440 | 3.250 | 5 | 50 | 64.6 |
| SK250RKON*^ | 2-1/2" | 3.130 | 4.000 | – | 8 | 13.0 |
| SK300RKON*^ | 3" | 3.750 | 4.250 | – | 6 | 140.0 |
| SK350RKON*^ | 3-1/2" | 4.250 | 4.500 | – | 4 | 216.6 |
| SK400RKON*^ | 4" | 4.750 | 4.750 | – | 4 | 250.0 |
| * Furnished with four set screws ^ Indicates UL & CUL. Listed for EMT, IMC and Rigid conduit |
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