Precise 1-2-3 Block Set with Wood Case
TBS-123C
1-2-3 Blocks with 3/8"-16, 23 Tapped Holes in Wood Case
Heat-treated above 48 Rockwell "C".
Cross drilling design for extra strength for minimum weight.
Tapped holes are provided for clamping operations.
.0001" to .0003" over allowance for nominal tapping squareness of all sides are within .0001" per inch.
1-2-3 Blocks with 3/8"-16, 23 Tapped Holes in Wood Case
