Feature

●Hardened and precision Ground on all 6 sides of each block
●Accuracy with squareness on all sides within .0002" per inch
●23 holes consists of 5 tapped holes that are 5/8"-11 for clamping and 18 untapped holes
●Cross drilling design gives minimum weight and maximum strength

[1-2-3 Block Set 1-2-3 Tin Coated Block Set]

[1-2-3 Block Set 11 Holes .0001 Tolerance]

[1-2-3 Block Set 23 Holes .0002 Tolerance]

[1-2-3 Block Set with Screws 23 Holes .0001 Tolerance]

[2-3-4 Block Set 23 Holes .0001 Tolerance]

[1-2-3 Block Set 1 Hole .0001 Tolerance]

[2-4-6 Block Set 23 Holes .0002 Tolerance]

[1-2-3 Block Set No Hole .0001 Tolerance]

Description

Heat treated and case hardened to HRC 55 to 60. Hardened and precision Ground on all 6 sides of each block. Accuracy with squareness on all sides within .0002" per inch. 23 holes consists of 5 tapped holes that are 5/8"-11 for clamping and 18 untapped holes. Cross drilling design gives minimum weight and maximum strength.