Filter by
System of Measurement
Construction
Material
Clamping Screw Material
Shaft Mount Type
Clamping Screw Type
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Finish
REACH
RoHS
Export Control Classification Number (ECCN)
DFARS Specialty Metals
Clamping Screw Finish
For Rotary Motion
For Shaft Misalignment Type
Steel Grade
Maximum Rotation Speed
Maximum Torque
Square Two-Piece Shaft Collars
![]() |
Clamping Screw | ||||||||
|---|---|---|---|---|---|---|---|---|
For Shaft Wd. | OD | Wd. | Type | No. Included | Each | |||
Black-Oxide Carbon Steel | ||||||||
| 1/4" | 1 1/16" | 5/16" | Socket Head | 2 | 3325K11 | 000000 | ||
| 5/16" | 1 1/16" | 5/16" | Socket Head | 2 | 3325K12 | 00000 | ||
| 3/8" | 1 1/2" | 13/32" | Socket Head | 2 | 3325K13 | 00000 | ||
| 7/16" | 1 1/2" | 13/32" | Socket Head | 2 | 3325K14 | 00000 | ||
| 1/2" | 1 3/4" | 1/2" | Socket Head | 2 | 3325K15 | 00000 | ||
| 9/16" | 1 3/4" | 1/2" | Socket Head | 2 | 3325K16 | 00000 | ||
| 5/8" | 2" | 1/2" | Socket Head | 2 | 3325K17 | 00000 | ||
| 3/4" | 2 1/8" | 1/2" | Socket Head | 2 | 3325K18 | 00000 | ||
| 7/8" | 2 1/4" | 1/2" | Socket Head | 2 | 3325K19 | 00000 | ||
| 1" | 2 1/2" | 1/2" | Socket Head | 2 | 3325K21 | 00000 | ||
| 1 1/8" | 3" | 5/8" | Socket Head | 2 | 3325K22 | 00000 | ||
| 1 1/4" | 3" | 5/8" | Socket Head | 2 | 3325K23 | 00000 | ||
| 1 3/8" | 3 1/4" | 5/8" | Socket Head | 2 | 3325K24 | 00000 | ||
| 1 1/2" | 3 1/2" | 5/8" | Socket Head | 2 | 3325K25 | 00000 | ||
| 1 3/4" | 4" | 3/4" | Socket Head | 2 | 3325K26 | 00000 | ||
| 2" | 4 1/4" | 3/4" | Socket Head | 2 | 3325K27 | 00000 | ||
| 2 1/2" | 5" | 3/4" | Socket Head | 2 | 3325K28 | 00000 | ||
303 Stainless Steel | ||||||||
| 1/4" | 1 1/16" | 5/16" | Socket Head | 2 | 3257K11 | 00000 | ||
| 5/16" | 1 1/16" | 5/16" | Socket Head | 2 | 3257K12 | 00000 | ||
| 3/8" | 1 1/2" | 13/32" | Socket Head | 2 | 3257K13 | 00000 | ||
| 7/16" | 1 1/2" | 13/32" | Socket Head | 2 | 3257K14 | 00000 | ||
| 1/2" | 1 3/4" | 1/2" | Socket Head | 2 | 3257K15 | 00000 | ||
| 9/16" | 1 3/4" | 1/2" | Socket Head | 2 | 3257K16 | 00000 | ||
| 5/8" | 2" | 1/2" | Socket Head | 2 | 3257K17 | 00000 | ||
| 3/4" | 2 1/8" | 1/2" | Socket Head | 2 | 3257K18 | 00000 | ||
| 7/8" | 2 1/4" | 1/2" | Socket Head | 2 | 3257K19 | 00000 | ||
| 1" | 2 1/2" | 1/2" | Socket Head | 2 | 3257K21 | 00000 | ||
| 1 1/8" | 3" | 5/8" | Socket Head | 2 | 3257K22 | 00000 | ||
| 1 1/4" | 3" | 5/8" | Socket Head | 2 | 3257K23 | 00000 | ||
| 1 3/8" | 3 1/4" | 5/8" | Socket Head | 2 | 3257K24 | 00000 | ||
| 1 1/2" | 3 1/2" | 5/8" | Socket Head | 2 | 3257K25 | 00000 | ||
| 1 3/4" | 4" | 3/4" | Socket Head | 2 | 3257K26 | 000000 | ||
| 2" | 4 1/4" | 3/4" | Socket Head | 2 | 3257K27 | 000000 | ||
| 2 1/2" | 5" | 3/4" | Socket Head | 2 | 3257K28 | 000000 | ||
Two-Piece Rigid Shaft Couplings
Black-Oxide 12L14 Carbon Steel
For Shaft Wd. | Overall Lg. | OD | Max. Rotation Speed | Max. Torque | For Rotary Motion | Each | |||
|---|---|---|---|---|---|---|---|---|---|
For Square Shafts | |||||||||
| 1/4" × 1/4" | 1 5/8" | 1 1/16" | Not Rated | Not Rated | Forward/Reverse, Start/Stop, Continuous | 60845K137 | 000000 | ||
| 5/16" × 5/16" | 1 5/8" | 1 1/16" | Not Rated | Not Rated | Forward/Reverse, Start/Stop, Continuous | 60845K138 | 00000 | ||
| 3/8" × 3/8" | 2 1/4" | 1 1/2" | Not Rated | Not Rated | Forward/Reverse, Start/Stop, Continuous | 60845K139 | 00000 | ||
| 7/16" × 7/16" | 2 1/4" | 1 1/2" | Not Rated | Not Rated | Forward/Reverse, Start/Stop, Continuous | 60845K141 | 00000 | ||
| 1/2" × 1/2" | 2 5/8" | 1 3/4" | Not Rated | Not Rated | Forward/Reverse, Start/Stop, Continuous | 60845K142 | 00000 | ||
| 5/8" × 5/8" | 3" | 2" | Not Rated | Not Rated | Forward/Reverse, Start/Stop, Continuous | 60845K144 | 00000 | ||
| 3/4" × 3/4" | 3 1/4" | 2 1/8" | Not Rated | Not Rated | Forward/Reverse, Start/Stop, Continuous | 60845K146 | 00000 | ||
| 7/8" × 7/8" | 3 3/8" | 2 1/4" | Not Rated | Not Rated | Forward/Reverse, Start/Stop, Continuous | 60845K147 | 00000 | ||
| 1" × 1" | 3 3/4" | 2 1/2" | Not Rated | Not Rated | Forward/Reverse, Start/Stop, Continuous | 60845K148 | 00000 | ||



























