Nakkaa Ultra Precision 1-2-3 Blocks Set with Screw Matched Pair 23 Holes .0001" Squareness Hardened Steel 1"x2"x3" Blocks Set Setup Blocks Industrial Tools w/Plastic Case

Brand: Nakkaa

Features:

• Feature: 23 holes include 5 holes tapped to 3/8-16 and others untapped, cross drilling design allows for efficient use of lower weight with maximum strength.
• Accuracy: Squareness: 0.0001"; Parallelism: +/- 0.0001"; Height accuracy in pair: +/-.0001".
• Material]: Made of precision-grade tool stainless steel hardened and ground on all 6 sides of block, heat treated and case hardened to HRC 56-60.
• Application: Perfect for machinists, woodworkers, metalworkers, and more.
• Package Includes: 1 * matched pair 1-2-3 blocks; 5 * stainless steel socket head cap screws; 1 * hex key; 1 * fitted plastic case.

Details: Feature:
With 23 Holes
Squareness: 0.0001"/1"
Parallelism: ±0.0001"
Height accuracy in pair: ±0.0001"
Hardness: HRC 56-60
Finished from 6-16 micro inches
Nominal tapping: 0.0001" to 0.0003"
5 holes tapped to 3/8-16 and others (8.9mm) are untapped
Precision ground on all sides
Squareness on all sides
Surface finish
Oversize to allow nominal tapping

Package Includes :
1 * matched pair 1-2-3 blocks
5 * stainless steel socket head cap screws
1 * hex key
1 * fitted plastic case

EAN: 0754131308862

Package Dimensions: 8.5 x 5.9 x 1.8 inches