These 123 blocks are designed for real-world applications in your workshop. Whether you’re using milling machines or CNC machines, they are perfect for verifying angles and calibrating setups. Their robust construction means they are built to last, making them a staple for any metalworking task.
- Hardened and precisely machined on all sides for reliable accuracy
- 23-hole design with 5 3/8″ 16UNC threaded holes and 18 untapped holes for flexible mounting
- Durable construction with no moving parts—lasts for years with proper care
- Suitable for setup, layout, inspection, and alignment verification tasks
- Essential tool for checking inside angles and verifying square accuracy
- Material: Hardened 45# Steel
- Hardness: HRC 48-58
- Dimension: Approx. 1″ x 2″ x 3″ (L x W x H) / 2.5cm x 5cm x 7.5cm
- Height Accuracy: 0.0002″
- Parallelism Accuracy: 0.0002″
- Shape: Square
- Type: Gage Block
- Colour: Silver
- Qty: 2 or 4 x 1-2-3 Blocks as per your selection
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