Item # | 
                        
                            Thread Direction | 
                        
                            UNF-2 | 
                        
                            Ball Bore B (+0.0020/-0.0000) | 
                        
                            Centerline Length A (±0.015) | 
                                                        
|---|---|---|---|---|
| SPM3 | N/A RH | N/A 10-32 | N/A 0.1900 " | N/A 1.250 " | 
| SPM4 | N/A RH | N/A 1/4-28 | N/A 0.2500 " | N/A 1.562 " | 
| SPM5 | N/A RH | N/A 5/16-24 | N/A 0.3125 " | N/A 1.875 " | 
| SPM6 | N/A RH | N/A 3/8-24 | N/A 0.3750 " | N/A 1.937 " | 
| SPM7 | N/A RH | N/A 7/16-20 | N/A 0.4375 " | N/A 2.125 " | 
| SPM8 | N/A RH | N/A 1/2-20 | N/A 0.5000 " | N/A 2.437 " | 
| SPM10 | N/A RH | N/A 5/8-18 | N/A 0.6250 " | N/A 2.625 " | 
| SPM12 | N/A RH | N/A 3/4-16 | N/A 0.7500 " | N/A 2.875 " | 
| SPML3 | N/A LH | N/A 10-32 | N/A 0.1900 " | N/A 1.250 " | 
| SPML4 | N/A LH | N/A 1/4-28 | N/A 0.2500 " | N/A 1.562 " | 
| SPML5 | N/A LH | N/A 5/16-24 | N/A 0.3125 " | N/A 1.875 " | 
| SPML6 | N/A LH | N/A 3/8-24 | N/A 0.3750 " | N/A 1.937 " | 
| SPML7 | N/A LH | N/A 7/16-20 | N/A 0.4375 " | N/A 2.125 " | 
| SPML8 | N/A LH | N/A 1/2-20 | N/A 0.5000 " | N/A 2.437 " | 
| SPML10 | N/A LH | N/A 5/8-18 | N/A 0.6250 " | N/A 2.625 " | 
| SPML12 | N/A LH | N/A 3/4-16 | N/A 0.7500 " | N/A 2.875 " | 
| SPF3 | N/A RH | N/A 10-32 | N/A 0.1900 " | N/A 1.062 " | 
| SPF4 | N/A RH | N/A 1/4-28 | N/A 0.2500 " | N/A 1.312 " | 
| SPF5 | N/A RH | N/A 5/16-24 | N/A 0.3125 " | N/A 1.375 " | 
| SPF6 | N/A RH | N/A 3/8-24 | N/A 0.3750 " | N/A 1.625 " | 
| SPF7 | N/A RH | N/A 7/16-20 | N/A 0.4375 " | N/A 1.812 " | 
| SPF8 | N/A RH | N/A 1/2-20 | N/A 0.5000 " | N/A 2.125 " | 
| SPF10 | N/A RH | N/A 5/8-18 | N/A 0.6250 " | N/A 2.500 " | 
| SPF12 | N/A RH | N/A 3/4-16 | N/A 0.7500 " | N/A 2.875 " | 
| SPFL3 | N/A LH | N/A 10-32 | N/A 0.1900 " | N/A 1.062 " | 
| SPFL4 | N/A LH | N/A 1/4-28 | N/A 0.2500 " | N/A 1.312 " | 
| SPFL5 | N/A LH | N/A 5/16-24 | N/A 0.3125 " | N/A 1.375 " | 
| SPFL6 | N/A LH | N/A 3/8-24 | N/A 0.3750 " | N/A 1.625 " | 
| SPFL7 | N/A LH | N/A 7/16-20 | N/A 0.4375 " | N/A 1.812 " | 
| SPFL8 | N/A LH | N/A 1/2-20 | N/A 0.5000 " | N/A 2.125 " | 
| SPFL10 | N/A LH | N/A 5/8-18 | N/A 0.6250 " | N/A 2.500 " | 
| SPFL12 | N/A LH | N/A 3/4-16 | N/A 0.7500 " | N/A 2.875 " |