Description
1-2-3 Block Set with 23 Holes, Screws & Storage Case
Highlight
Precision-ground hardened tool steel setup block designed for milling, inspection, layout, fixturing, and CNC machining. Features a 23-hole design with included screws, hex key, and storage case for convenient setup and accurate positioning.
Core Advantages
✔ Premium Hardened Tool Steel
Manufactured from high-quality hardened tool steel and precision ground on all six sides for superior wear resistance, dimensional stability, and long-term durability.
✔ Exceptional Machining Accuracy
Engineered for precision applications with squareness up to 0.0001"/1", parallelism within 0.0002"/1", and dimensional tolerance within 0.0003", ensuring reliable setup and inspection performance.
✔ Functional 23-Hole Clamping Design
Features 23 precision-machined holes, including 5 threaded 3/8"-16 holes for secure clamping and 18 untapped holes for flexible fixture and positioning applications.
✔ Lightweight Cross-Drilled Construction
The cross-drilled design reduces weight while maintaining maximum structural strength, making the block easier to handle without sacrificing rigidity.
✔ Complete Ready-to-Use Kit
Supplied with stainless steel socket head cap screws, hex key, and a durable plastic storage case for convenient organization and transport.
✔ Ideal for Precision Setup & Inspection
Suitable for machining setup, layout work, quality inspection, fixture building, alignment, and general machine shop applications.
Specifications
| Item |
Details |
| Material |
Hardened Tool Steel |
| Dimensions |
1" × 2" × 3" |
| Quantity |
1 Block |
| Hardness |
HRC 55–60 |
| Squareness |
0.0001"/1" |
| Parallelism |
0.0002"/1" |
| Dimensional Tolerance |
0.0003" |
| Hole Quantity |
23 Holes |
| Threaded Holes |
5 × 3/8"-16 |
| Untapped Holes |
18 Holes |
| Surface Finish |
Precision Ground on All 6 Sides |
| Design |
Cross-Drilled Lightweight Structure |
Applications
• Milling Machine Setup
• CNC Machining
• Layout Work
• Precision Inspection
• Workpiece Positioning
• Fixture Building
• Alignment Tasks
• Measurement & Calibration
Package Includes
• 1 × Precision 1-2-3 Block
• 5 × 3/8"-16 Stainless Steel Socket Head Cap Screws
• 1 × Hex Key
• 1 × Plastic Storage Case
FAQ
Q1: What material is the block made from?
The block is manufactured from hardened tool steel and precision ground on all six sides for maximum accuracy and durability.
Q2: What level of accuracy does the block provide?
The block offers squareness of 0.0001"/1", parallelism of 0.0002"/1", and dimensional tolerance within 0.0003".
Q3: What are the hole specifications?
The block includes 23 holes, consisting of 5 threaded 3/8"-16 clamping holes and 18 untapped holes for versatile fixturing applications.
Q4: Are accessories included?
Yes. The set includes 5 stainless steel socket head cap screws, a hex key, and a protective plastic storage case.
Q5: What applications is this block suitable for?
It is ideal for setup, layout, inspection, fixturing, alignment, CNC machining, and other precision machine shop operations.
