Description
Highlights
This professional machining set combines 10 pairs of precision 1/8" x 5" steel parallels with a matched pair of 1-2-3 blocks, providing accurate workpiece support, alignment, and measurement references for machine shop applications.
Key Features
✔ Complete Precision Setup Kit – Includes 10 matched pairs of 1/8" x 5" parallels and a matched pair of 1-2-3 blocks for machining, inspection, and setup work.
✔ Hardened Tool Steel Construction – Made from premium tool steel with hardened and stress-relieved surfaces for excellent durability, wear resistance, and dimensional stability.
✔ High Accuracy Performance – Precision ground parallels provide 0.0003" parallelism on top and bottom surfaces, ensuring reliable support for precision machining tasks.
✔ Multi-Function 1-2-3 Blocks – Ground on all six sides with 0.0002" per inch squareness accuracy, serving as setup blocks, squaring references, and measurement tools.
✔ Lightweight & Rigid Design – Parallels feature two handling holes and blocks use a cross-drilled design to reduce weight while maintaining strength and stability.
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 5" |
| 1-2-3 Block Size |
1" x 2" x 3"0 |
| Parallelism |
0.0003" |
| Block Squareness Accuracy |
0.0002" per inch |
| Surface Finish |
Precision Ground |
Application
Designed for precision machining operations including milling, drilling, machining center setups, inspection, layout, and measurement. The parallel set provides stable workpiece elevation and support, while the 1-2-3 blocks help with squaring, positioning, and fixture alignment.
Package Includes
- 10 Pair 1/8" x 5" Steel Parallel Set
- 1 Pair 1-2-3 Precision Blocks
