Description
Highlights
This professional precision set combines 10 pairs of 1/8" x 4" steel parallels with a matched pair of 1-2-3 blocks, providing accurate workpiece support, alignment, and measurement references for machining and inspection applications.
Key Features
✔ Complete Machining Setup Set – Includes 10 matched pairs of precision parallels and a matched pair of 1-2-3 blocks for workholding, setup, inspection, and layout tasks.
✔ Hardened Tool Steel Construction – Made from premium tool steel with hardened and stress-relieved surfaces for excellent durability, wear resistance, and long-term dimensional stability.
✔ Precision Ground Accuracy – Manufactured within 0.001" size tolerance with 0.0003" parallelism on the top and bottom working surfaces for dependable reference accuracy.
✔ Versatile 1-2-3 Blocks – Precision ground on all six sides, providing reliable squaring, positioning, setup, and measurement references in machine shop applications.
✔ Lightweight & Strong Design – Parallels feature handling holes and blocks use a cross-drilled design to reduce weight while maintaining rigidity and strength.
Specifications
| Item |
Specification |
| Product Type |
Steel Parallel & 1-2-3 Block Set |
| Quantity |
10 Matched Pairs Parallels + 1 Matched Pair Blocks |
| Material |
Hardened Tool Steel |
| Parallel Size |
1/8" x 4" |
| 1-2-3 Block Size |
1" x 2" x 3" |
| Parallelism |
0.0003" |
| Size Tolerance |
Within 0.001" |
| Block Squareness Accuracy |
0.0002" per inch |
| Surface Finish |
Hardened and Precision Ground |
Application
Ideal for precision machining applications including milling machines, drill presses, machining centers, fixture setups, inspection, layout, and measurement. The parallel set provides stable workpiece elevation, while the 1-2-3 blocks offer accurate squaring and positioning support.
Package Includes
- 10 Pair 1/8" x 4" Steel Parallel Set
- 1 Pair 1-2-3 Precision Blocks
