4140 Alloy Steel Rod: 3 1/4 in Outside Dia, +0.000 in/-0.007 in, 36 in Overall Lg, Cold Finished, O
    
            
        
        Item: 2AHR3,
MFR: 2AHR3,
Brand: GRAINGER APPROVED
        
| Shape | Rod | 
| Material Grade | 4140 | 
| Outside Diameter | 3-1/4 in | 
| Outside Diameter Tolerance | +0.000 in/-0.007 in | 
| Overall Length | 36 in | 
| Tolerance Rating | Standard | 
| Fabrication | Cold Finished | 
| Mechanical Finish | Mill | 
| Rockwell Hardness | Not Rated | 
| Brinell Hardness | 241 | 
| Yield Strength | Not Rated | 
| Tensile Strength | Not Rated | 
| Heat Treatable | Yes | 
| Heat Treatment | Annealed | 
| Standards | AISI 4140, ASTM A108, UNS G41400, ASTM A29 | 
