Precision Machinist Milling Blocks Two By Four By Six Inch Hardened Tool Steel Work Holding Set Featuring Twenty Three Clamping Holes Dead On Point Zero Zero Zero Three Inch Accuracy Built Tough Top Shelf Shop Floor Tools

Precision Hardened Tool Steel Milling Setup Blocks Set
✔️ 2x4x6 inch hardened tool steel set.0003 accuracy for shop use

These machinist setup blocks bolt straight to table beds to lock down heavy gear for layout checks, gaging, and milling runs.

✅ 2 x 4 x 6 inch dimensions provide stable base support
✅ Hardened steel material takes heat and heavy cutting loads
✅ Twenty three holes feature five 3/8 16 threaded openings
✅ Zero point zero zero zero three inch tolerance locks alignment tight

💡 What makes precision setup blocks essential for accurate milling work?
This exact setup handles heavy clamping duty while keeping your reference surfaces perfectly flat.
- Locked baseline geometry stops drift during tight tolerance passes
- Threaded pockets grab 3/8 hardware for rapid fixture changes
- Ground faces deliver repeatable depth control across multiple shifts

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