7/16 - 14 Tap
1 5/8" Length
U Drill Bit
Grade 2, Imperial Bolt
1/4 - 20 Tap
1 1/4" Length
7 Drill Size
1/2 - 20 Tap
2 3/8" Length
Uses 3/4" Wrench with 3/4" Lock Nut
 Grade 5, Imperial Bolt