- 1.25" dia
 - Class S
 - Carbon Steel
 - Standard Finish
 - 178" Long
 
features
- Surface finish 12 Ra microinch
 - Case hardness 60 HRC minimum
 - Roundness 80 millionths of an inch
 - Standard straightness 0.001" per foot cumulative
 - Radial drilled and tapped holes ready for immediate use
 
| Class | S | 
| Nominal Size | 1 1/4 in | 
| Thread Diameter | 5/16 | 
| Threads per Inch | 18 | 
| Hardness Depth | 0.08 in | 
| Hole Center to End of Shaft | 3 in | 
| Shaft Dia. [Min] | 1.2485 in | 
| Hole Center to Center | 6 in | 
| Thread Pitch | N/A | 
| Thread Type | UNC | 
| Shaft Dia. [Max] | 1.249 in | 
| Weight per Inch | 0.281 lb | 
| Finish | Standard | 
| Material | Alloy Steel | 
| Length | 178 in | 
| Shaft Dia. | 1.25 in | 
| Weight | 50.02 LB | 
        
