Crystal Industrial Universal V Blocks AA-1781
Engineered for precision layout and inspection, these V blocks securely support cylindrical workpieces during manufacturing processes. Constructed from hardened steel, they maintain dimensional stability across varied industrial applications. • Size: 63 x 100 x 100 mm • Hardness per IS-4960-1968 • Accuracy within ± 3 Micron
Specifications
For: AA-1781- Series
- AA-178
- Accuracy
- As per I.S.4960-1968
- Vee Angle
- Four 90° Vees
- Size
- 63 x 100 x 100 mm
- Material
- Hardened & Ground made from alloy steel
- Hardness
- 55 HRC ± 2 HRC
- Hardness Grade
- Grade -A
- Brand
- Crystal
Configurations
Click a row to switch| Variant | Series | Size | Price |
|---|---|---|---|
| AA-1781 | AA-178 | 63 x 100 x 100 mm | ₹9,550 |
| AA-1782 | AA-178 | 80 X 160 X 160 mm | ₹23,957 |
| AA-1783 | AA-178 | 100 X 200 X 200 mm | ₹36,018 |
| AA-1785 | AA-178 | 60 X 120 X 120 mm | ₹14,113 |
| AA-1786 | AA-178 | 75 X 150 X 150 mm | ₹20,360 |
| AA-1787 | AA-178 | 90 X 190 X 190 mm | ₹30,020 |
Design Stability & Versatility
- Symmetrical design ensures consistent alignment regardless of orientation
- Four functional V-groove working faces allow flexible component setups
- Precision-ground surfaces minimize error during measurement processes
- Balanced design optimizes weight distribution during critical operations
- Provides stable reference points for drilling and grinding operations
- Designed to maintain accuracy under repeated industrial usage cycles
Industrial Applications & Setup
- Supporting, checking, and layout marking of cylindrical shafts and pipes
- Ideal for complex geometric components in multiple orientations
- Serves as accurate, multi-position reference blocks on toolroom surface plates
- Suitable for machine tables during drilling, grinding, and quality control inspection
- Heavy-duty block profiles support sizes from 60 x 120 x 120 mm – 100 x 200 x 200 mm
- Enables multidirectional and multi-size component setups on shop floors
Material Grades & Hardness Options
- Offered as Grade-A Hardened & Ground tool steel for wear resistance
- Available in Grade-B Extra dense cast iron variant for dampening
- Grade-A hardness specified at 55 HRC ± 2 HRC for long-term stability
- Alloy steel construction ensures robust performance in heavy-duty environments
- Material selection allows flexibility between wear-resistance or dampening needs
- Hardened & Ground made from alloy steel for superior surface finish
Precision Standards & Construction
- Crystal Industrial Universal V Blocks follow Series AA - 178 design specifications
- Built and inspected strictly in accordance with IS-4960 – 1968 manufacturing standards
- Features symmetrical four-way X-shaped profile for versatile part positioning
- Equipped with deeply cut, precision-ground V-grooves on all four faces
- Vee Angle configured as Four 90° Vees for accurate cylindrical support
- Accuracy maintained as per I.S.4960-1968 for critical metrology tasks
More questions buyers ask
What are Crystal Universal V Blocks used for?
They are precision-ground blocks used for supporting, checking, and layout marking of cylindrical shafts, pipes, and complex components in tool rooms and quality control labs.
What is the accuracy standard of these V blocks?
Crystal Universal V Blocks are manufactured and inspected in strict accordance with I.S.4960-1968 standards.
What material are these V blocks made from?
They are made from high-quality alloy steel, hardened and ground to 55 HRC ± 2 HRC for superior wear resistance and long-term stability.
How many V-grooves do these blocks have?
These universal blocks feature a symmetrical four-way X-shaped profile with four 90° V-grooves, allowing for versatile component positioning.
Can these blocks be used for grinding and drilling?
Yes, their precision-ground surfaces and stable design make them ideal for supporting workpieces during drilling, grinding, and light milling operations.
What does the 'Universal' designation mean?
It refers to the four-way design that allows the block to be used in multiple orientations, providing stable reference points for various machining and inspection tasks.
Are these blocks suitable for heavy-duty industrial use?
Yes, they are designed for professional industrial environments, with heavy-duty profiles available in various sizes to suit different component dimensions.
Do these blocks come with a warranty?
Crystal products are known for their durability and precision. Please check with your authorized dealer for specific warranty terms applicable to your purchase.
How do I choose the right size V block?
Select a size based on the diameter of the cylindrical components you need to support. We offer sizes ranging from 60x120x120 mm up to 100x200x200 mm.
Are these blocks magnetic?
The standard AA-178 series are precision-ground non-magnetic universal V blocks. For magnetic applications, please explore our dedicated magnetic V block series.
Who should choose the 63x100x100 mm variant?
This compact size is ideal for small-to-medium precision components in tool rooms and light inspection tasks.
Who should choose the 100x200x200 mm variant?
This is the largest, heavy-duty variant, best suited for supporting large shafts or heavy cylindrical workpieces in industrial machining setups.
How does the 60x120x120 mm compare to the 75x150x150 mm?
The 60x120x120 mm is designed for smaller, lighter components, while the 75x150x150 mm offers increased mass and support capacity for medium-sized parts.
Which variant is best for heavy-duty milling?
The larger variants like the 90x190x190 mm or 100x200x200 mm provide the necessary stability and mass for more demanding machining operations.
Are all variants made of the same material?
Yes, all variants in the Crystal AA-178 series are manufactured from high-quality hardened and ground alloy steel to ensure consistent precision and hardness.
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Full description
Engineered for precision layout and inspection, these V blocks securely support cylindrical workpieces during manufacturing processes. Constructed from hardened steel, they maintain dimensional stability across varied industrial applications. • Size: 63 x 100 x 100 mm • Hardness per IS-4960-1968 • Accuracy within ± 3 Micron