Crystal 1-2-3 Block with One Hole for Industrial & Workshop Use AA-1331
Precision angle blocks deliver accurate reference surfaces for layout and inspection in workshops. The AA-133 series variant measures 75 x 25 x 50 mm for standard fixture integration. • Hardened steel construction resists wear and deformation • Suitable for 45°/90° and 30°/60° angle setups • Compact sizes fit standard machinery and fixtures • Ensures stable positioning for precision machining operations
Specifications
For: AA-1331- Series
- AA-133
- Size
- 75 x 25 x 50 mm
Quality Standards and Consistency
- Manufactured to meet strict industrial tolerancing requirements
- Each block undergoes rigorous inspection for flatness and squareness
- Verified for parallelism to ensure reliable reference surfaces
- Backed by quality protocols suitable for professional procurement
- Model AA-1331 represents a standard footprint within the product family
Versatile Setup and Measurement Utility
- Compatible with standard surface plates for vertical height measurements
- Facilitates accurate alignment of workpieces during fabrication processes
- Enables precise positioning for drilling and boring operations
- Adaptable to various clamping systems due to the central hole design
- Standard dimensions such as 75 x 25 x 50 mm are available in this range
Durability and Material Integrity
- Constructed for long-term stability in demanding industrial settings
- Hardened surfaces resist wear from repeated clamping and setup usage
- Maintains dimensional accuracy over extended periods of heavy use
- Designed to withstand vibration and mechanical stress during machining
- Ensures reliable performance for critical measurement tasks
Ideal Applications in Metrology and Workholding
- Serving as ultra-precise height references during toolroom metrology inspections
- Providing rigid, square workholding support on milling machines and drill presses
- Functioning as spacing blocks or layout masters on surface tables
- Supports clean bolting configurations via the central hole design
- Suitable for setup backing in industrial and workshop environments
Precision Ground Construction and Geometry
- Series AA - 133 designation guarantees consistent product characteristics
- Exact 1:2:3 dimensional ratio for reliable quick-check referencing
- Precision ground flat surfaces ensuring strict squareness and parallelism
- Singular counterbored through-hole centered cleanly on the wide face plate
- Configuration features precision ground matched pairs in standard rectangular layouts
More questions buyers ask
What is a 1-2-3 block used for?
1-2-3 blocks are precision-ground steel blocks used in machining and metrology for accurate setup, layout, and workholding, providing a reliable reference for measurements and alignment.
Why does the Crystal 1-2-3 block have a hole?
The central hole allows for easy bolting and clamping, enabling the block to be securely fastened to machine tables, fixtures, or other workholding setups.
Are these blocks sold as a pair?
Yes, Crystal 1-2-3 blocks are typically supplied as matched pairs to ensure consistency and accuracy during setup and measurement tasks.
What material are Crystal 1-2-3 blocks made of?
They are constructed from high-quality, hardened steel, precision ground to ensure flatness, squareness, and parallelism for long-term industrial use.
What are the dimensions of this Crystal 1-2-3 block?
This specific model (AA-1331) features standard dimensions of 75 x 25 x 50 mm, providing a versatile 1:2:3 ratio for various workshop applications.
Can these blocks be used on a milling machine?
Yes, they are ideal for milling machine setups, providing rigid support and precise positioning for workpieces during machining operations.
How accurate are these blocks?
Crystal 1-2-3 blocks are manufactured to strict industrial tolerances, ensuring high levels of flatness, squareness, and parallelism required for professional toolroom work.
Do you provide a GST invoice?
Yes, all purchases include a valid GST invoice, ensuring compliance for business procurement.
Is pan-India delivery available?
Yes, we offer reliable pan-India delivery for all industrial tools and accessories.
What is the warranty on Crystal tools?
Crystal products are backed by standard manufacturer warranties against manufacturing defects, ensuring quality and reliability for industrial users.
Who should choose the Crystal AA-1331 1-2-3 block?
The AA-1331 model is perfect for machinists, toolmakers, and quality control inspectors who require a reliable, precision-ground reference block for daily setup and measurement tasks.
How does the 1-2-3 block compare to standard V-blocks?
While V-blocks are specifically designed for holding cylindrical workpieces, 1-2-3 blocks offer a flat, rectangular reference surface that is more versatile for general layout, height measurement, and square workholding.
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Full description
Precision angle blocks deliver accurate reference surfaces for layout and inspection in workshops. The AA-133 series variant measures 75 x 25 x 50 mm for standard fixture integration. • Hardened steel construction resists wear and deformation • Suitable for 45°/90° and 30°/60° angle setups • Compact sizes fit standard machinery and fixtures • Ensures stable positioning for precision machining operations