36 Pc Round Space Block Set Made From Hardened Steel Gage Blocks For Machining And Setup Imperial Measurements With M6 Threads And Three Quarters Inch OD Case Included Pro Grade Gauges For Machine Shops And Sine Bar Calibration

36-Piece Hardened Steel Round Space Block Set for Machining
✔️ Imperial system, M6 threads, 3/4 in OD blocks, case included

This 36 piece round space block set is built from hardened steel for precise machine setup and sine bar calibration in metalworking shops. It’s designed for quick, repeatable alignment in milling, drilling, and fixture work.

✅ Material: Hardened Steel 57-60 HRC
✅ Measurement system: Imperial
✅ Accuracy: +/-0.0001 in
✅ ID Thread Size: M6
✅ Outside Diameter: 3/4 in
✅ Includes 4 screws and hex keys
✅ Case included
✅ Case dimensions: 8-1/2 in L x 5-1/2 in W x 1-1/2 in H

💡 What is a round space block set used for in machining and setup?

It's a handy way to align fixtures and reference surfaces with high precision for repeatable setups.

- Alignment and setup reference for milling and drilling
- Precise space control with imperial measurements
- Supports sine bar calibration and fixture alignment
- Hardened steel durability for long life in shops
✝️