2-4-6 Blocks Matched Pair with 23 Holes Precision Machinist Milling Accuracy 0.0003In (2-Pack)($68.25Value)

Description

2In x 4In x 6In, 17 lbs. Weight Made of hardened tool steel and precision ground on all six sides 0.0003 height accuracy precision matched blocks for mounting work for precision Precision steel blocks Has 23 holes with 5 holes tap to 3/8-16 threads for clamping and 18 untapped holes This steel blocks can be used for set-up, layout and inspection jobs. Suitable for all kinds of machine tool 2-4-6 Blocks Matched Pair

Specification:
Size within +/- 0.0003"
Flatness and parallelism within 0.0003"
Squareness on all sides is 0.0003" per inch
Pairs are matched to a tolerance of 0.0003"

Feature:
Heat treated and case hardened to HRC 57-62
Accuracy and squareness on all sides within 0.0003"
23 holes includes (5) 3/8-16 threaded holes for clamping and (18) untapped holes
Cross drilling design allows for efficient use of lower weight with maximum strength

Applications:
Used for set-up, layout and inspection jobs
Be used outside a vise utilizing the pre-drilled holes, their applications are expanded by bolting them together

Package includes
2 x 2-4-6 Block