These 123 blocks are designed for use in your workshop. They are suitable for use with milling machines or CNC machines, for verifying angles and calibrating setups.
- Hardened and machined on all sides for accuracy
- 23-hole design with 5 3/8″ 16UNC threaded holes and 18 untapped holes for mounting
- Construction with no moving parts
- Suitable for setup, layout, inspection, and alignment verification tasks
- For checking inside angles and 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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