Five Matched Pairs 1 X 2 X 3 Inch Precision Steel Milling Blocks With 23 Holes For Clamping And Alignment, 0.0002 Inch Accuracy, Hardened To HRC 57-61, Ground On All Sides, Includes Five Three Eighths Inch Threaded Holes And Eighteen Untapped Holes For

Pack of 10 Precision Milling Blocks 1x2x3 in, 23-Hole Clamp
✔️ Hardened tool steel blocks,.0002 inch accuracy, 23 holes total

These precision milling blocks are hardened tool-steel fixtures designed for accurate clamping and reference in machining setups. They are ideal for aligning workpieces on mills, CNCs, and drill presses, and they help ensure square, repeatable cuts.

✅ Size: 1" x 2" x 3" blocks, precision-ground on all faces
✅ 23 holes: five 3/8-16 threaded holes for clamping, eighteen untapped
✅ Hardened to HRC 57-61, ground on all six sides
✅ Cross-drilled design for lower weight and max strength
✅ Pack includes 10 blocks arranged as five matched pairs

💡 What are precision milling blocks and why use them in machining? These handy fixtures provide stable, repeatable alignment and a solid reference surface for accurate milling and drilling.

- Handy alignment tool for repeatable, square references in milling - Improves clamping stability during milling, turning, and drilling - Great for fixture stacks and CNC setups in shops - Reduces setup time and enhances part accuracy