1 By 2 By 3 Block With No Holes From HHIP Hardened To RC 58 60 And Ground To 6 To 10 Micron Finish With 0.0001 Inch Accuracy Sold As A Matched Pair For Precision Machining And Setup

High-precision 1 x 2 x 3 block with no holes, RC58-60, set of 2
✔️ Matched pair, RC 58-60 hardened, 6-10 micron finish, 0.0001 inch accuracy

These 1 x 2 x 3 blocks are precision reference tools used to square, align, and check setups in milling, drilling, and fixture work. Sold as matched pairs to ensure consistent reference surfaces in multiple operations.

✅ Dimensions: 1 in x 2 in x 3 in (25.4 mm x 50.8 mm x 76.2 mm)
✅ No holes design provides clean surfaces for reliable referencing
✅ Hardened to RC 58-60 for wear resistance
✅ Ground finish 6-10 micron reduces chatter and improves accuracy
✅ Accuracy: 0.0001 inch over full block length

💡 What is a 1-2-3 precision block used for in machining setups and fixturing?

These handy blocks provide stable reference corners for quick squaring and repeatable setups.

• handy reference for quick squaring and alignment in fixtures
• ensures repeatable geometry for milling and drilling operations
• hard-wearing RC 58-60 surface withstands daily shop use
• fits standard 1-2-3 block sizes for easy integration