Nakkaa Ultra Precision 1-2-3 Setup Blocks 23 Holes Matched Pair 0.0001" | Machinist setup blocks, Hardened steel construction, Includes mounting($23.89Value)

Description

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. 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