Description
Highlights
This professional 1-2-3 Block and Parallel Set combines precision ground tool steel blocks with 10 matched pairs of 1/8" x 6" parallels, providing reliable support, alignment, and inspection accuracy for machining applications.
Key Features
✔ Complete Machining Setup Set – Includes a matched pair of 1-2-3 blocks and 10 pairs of precision parallels for workholding, inspection, layout, and setup tasks.
✔ Hardened Tool Steel Construction – Made from premium tool steel that is hardened and stress-relieved for excellent wear resistance, durability, and dimensional stability.
✔ High Precision Accuracy – Parallels feature 0.0003" parallelism on top and bottom surfaces, while the 1-2-3 blocks provide accurate reference surfaces for machining setups.
✔ Lightweight Yet Rigid Design – Two holes in each parallel and cross-drilled 1-2-3 blocks reduce weight while maintaining strength and stability.
✔ Versatile Workshop Tool – Ideal for milling, drilling, inspection, measurement, fixture setup, and precision workpiece positioning.
Specifications
| Item |
Specification |
| Product Type |
Parallel Block & 1-2-3 Block Set |
| Quantity |
10 Matched Pairs Parallels + 1 Pair 1-2-3 Blocks |
| Material |
Hardened Tool Steel |
| Parallel Size |
1/8" x 6" |
| 1-2-3 Block Size |
1" x 2" x 3" |
| Parallelism |
0.0003" |
| Block Accuracy |
0.0002" per inch for squareness |
| Surface Treatment |
Hardened and Precision Ground |
Application
Designed for professional machining and inspection applications, including milling machines, drill presses, machining centers, fixture setups, layout work, and measurement tasks. The parallels provide stable workpiece support, while the 1-2-3 blocks serve as squaring blocks, setup tools, and precision references.
Package Includes
- 10 Pair 1/8" x 6" Precision Steel Parallel Set
- 1 Pair 1-2-3 Precision Blocks
