Ultra Precision 1 Pair 1-2-3 Machinist Block Set In Hardened Steel With 0.0002 Inch Height Tolerance And 23 Holes For Precise Layout And Fixturing For CNC Milling And Machining Projects By HFS

Ultra-Precision Hardened Steel Machinist Block Set, 1 Pair
✔️ 0.0002in height tolerance; 23-hole layout; hardened tool steel

These ultra-precision machinist blocks are manufactured from hardened tool steel and ground on all six faces to ensure flatness and square accuracy. Ideal for layout, fixture setup, and inspection in CNC milling and general metalworking, they help maintain consistent repeatability across setups.

✅ Height tolerance: 0.0002 inches for precise setup
✅ Hardened tool steel, six-sided precision ground
✅ 23-hole pattern: 5 tapped 3/8-16 and 18 untapped
✅ Compact, durable, and easy to handle
✅ Includes pair for quick swap-and-fixture work

💡 What is a precision fixture block used for in layout and fixturing?

This handy guide shows common uses and benefits in shops.

• Makes repeatable reference surfaces for fixtures and workpieces
• Helps align components for CNC milling and inspection
• Supports quick, accurate setup changes
• Works with 23-hole patterns and tapped holes for secure mounting