Precise 81 Piece Rectangular Steel Gage Block Set Grade AS-1 (3)
Each block is steel and hardened to 65RC, stress relieved, lapped to accurate size, parallelism & flatness, then carefully inspected and marked for size designed to meet close tolerance.
- Each set includes standard sizes found in more expensive sets.
- Grade AS-1 (3) tolerances = +8, -4 millionths.
- 9 Blocks = .1001-.1009" Step = .0001"
- 49 Blocks = .101-.149" Step = .001"
- 19 Blocks = .05-.95" Step = .05"
- 4 Blocks = 1-4" Step = 1"
Grade AS-1 (3) +8 -4 Millionths 81 PC Set, Steel
