Heavy Duty Setup Blocks 1X2X3 Inches Loaded With 23 Precision Drill Holes And 5 Secure 3/8 Tapped Threads For Rock Solid Machine Shop Fixturing And Knockout Vise Jigs

Single Precision Machined Setup Block For Secure Workholding
✔️ Five 3/8 taps, twenty three holes, thousandth aligned specs

These heavy duty setup blocks act as reliable reference cubes for accurate workholding in machine shops and fabrication setups.

✅ One by two by three inch block translates to twenty five by fifty one by seventy six millimeters ✅ Five point zero eight millimeter 16 UNC threaded mounts bolt fixtures down securely ✅ Twenty three precision drilled openings measure nine millimeters or point three five four inches ✅ Point zero zero two inch pairing tolerance keeps adjacent stops tightly aligned ✅ Fully ground flat faces hold point zero zero zero three inch per inch squareness ratings

💡 What makes precision ground setup blocks so handy for accurate machine shop layout?
These reference cubes get you dialed in fast by eliminating setup drift during complex machinist projects.
- Matched tolerances lock workpieces down reliably for steady CNC milling runs
- Ground parallel faces keep parts squarely positioned when drilling tight spots
- Pre tapped mounting holes let you slap clamps on quickly for fast knockout jig builds

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