COMMON BOLT HARDNESS GRADES ARE 2, 5, and 8. GRADE 2 IS THE MOST COMMON, AND LEAST HARDENED. GRADE 8 IS THE MOST HARDENED, AND HAS THE HIGHEST CARBON CONTENT. GRADE 8 Hardened 2 x 3/4" Bolt Regular 10 T.P.I. Hex head 1-1/8" w/ Grade 2 Flat Washer.
Dimple Die Set 3 Piece Set 1/2" 3/4" 1" professional grade case hardened steel
VIM Tools Snap Ring Pliers Set, 7 Inch OAL, 1.8M (.071) Hardened Tips
Pioneer General Purpose Bench. 60/80 Grit, Medium Grade, 8 x 1, 1 Arbor.
OEM Grade 8-Cylinder Spark Tester Marine Ignition Diagnostic 519-S48
Astro Tools 78825 XL Grade 8 Drive Bolt 25PC Master Wheel Bearing Adapter Kit
Orion Motor Tech 1-1/4 to 1-7/8, 1-5/16 2-3/8, & 1-3/8 2-7/8, black
