1 By 2 By 3 Inch Parallel Block Set No Holes Matched Pair Hardened Steel Case Hardened To HRc 57 To 62 With 0.0001 Inch Accuracy For Machinist Milling And Surface Finish From 6 To 16 Microinches Weighs 3.5 Lbs

1x2x3 Inch Precision Parallel Block Set, 0.0001 in
✔️ Hardened steel HRc 57-62, 1x2x3 in, 0.0001 in tolerance

These 1 x 2 x 3 inch parallel blocks are precision tools used to square and align workpieces on milling machines and surface grinders. Built from hardened steel, they resist wear in demanding shop environments and deliver repeatable accuracy in machining and inspection fixtures.

✅ Size: 1 x 2 x 3 in
✅ Accuracy: 0.0001 in
✅ Material: Hardened steel, HRc 57-62
✅ Finish: 6-16 microinches
✅ Weight: 3.5 lb
✅ Pack: 1 pair parallel block set

💡 What is a pillow block bearing used for in precision milling and fixtures? It's a handy tool that helps keep shafts aligned in compact spaces. - pillow block bearing for milling fixtures - shaft alignment and squareness in machine shops - hardened steel blocks for longevity and accuracy - easy setup for jigs and linear guides