| Stud Type | N/A Heavy Duty | 
| Material | N/A A286 CRES per AMS 5737, 160 KSI Minimum Tensile Strength | 
| Finish Description | N/A Silver Plate per ASTM B 700 | 
| Nut End Thread Size | N/A 0.8750-9 UNJC-3A | 
| Nut End Thread Length ± 0.030 | N/A 1.250 | 
| Drill Option | N/A Drilled Hole in Nut End | 
| Drilled Hole D ± .020 | N/A 0.270 | 
| Drilled Hole Diameter ± 0.010 | N/A 0.141 | 
| Stud End Thread Size (Modified Minor Dia) | N/A 1.250-12 UN-2A | 
| Shear Engagement Area (in²) Ref. | N/A 3.1370 | 
| L ± 0.010 | N/A 1.250 | 
| Tap Drill Diameter | N/A 1.186-1.192 | 
| C´ Sink Diameter +0.010 - 0.000 | N/A 1.270 | 
| Thread Tap Size | N/A 1.250-12 UN-2A | 
| Minimum Full Thread Depth | N/A 1.44 | 
| Hand Installation Tool Part Number | N/A THS 14 | 
| Maximum NL Length Utilized by Hand Tool | N/A 3.000 | 
| Removal Drill Depth ±.010 | N/A 0.3130 | 
| Notes | N/A Substitute the Nut End Length (NL), in 1/16 inch increments, for the parentheses in the part number. For example, KNHS1409JTX-22DSP indicates a stud with a nut end length (NL) of "22" = 22/16 = 1-3/8 or 1.375 in | 
| Removal Drill Size | N/A 1.0940 | 
