sae Sizes | 1/4-20 x1/2" to 1-1/2", 5/16-18 x 3/4" to 2", 3/8-16 x 3/4" to 2" |
metric sizes | M4 x 16mm/20mm/25mm/30mm, M5 x 16mm/20mm/25mm/30mm, M6 x 16mm/20mm/30mm/40mm |
Material | Grade 8 Alloy Steel and class 8.8 alloy steel |
Material | Class 8.8 Alloy steel |