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Ultra Precision 1-2-3 Block Set
  • Supplied in matched pair
  • Precision ground and case hardened to HRC-55-60 on all 6 sides
  • Extremely versatile for precision layout and setup work
  • Tolerance within 0.0001" for squareness per inch.
  • Parallel: 0.0001" to 0.0002"
Part Number Description Weight Package
70123G 1-2-3 blocks with 23 holes 3lbs Cardboard
70131G 1-2-3 blocks w/23 holes packed in hard wood case 4lbs Hard wood case
70050G 1-2-3 blocks with one hole 3lbs Cardboard
70128G Solid 1-2-3 blocks (no hole) 3.4lbs Cardboard
70126G Ultra Precision 1-2-3 blocks, five 3/8"-16 stainless steel socket head cap screw & hex key. 5.7lbs Plastic case
70130G Metric 1-2-3 blocks with 23 holes  (25-50-75mm) 3lbs Cardboard
 
1-2-3 blocks are precision ground steel blocks that measure 1"x2"x3" in size. They are quite useful around the shop for various clamping and setup operations, particularly on the mill table. They are available both in solid and perforated style. The perforated ones have both tapped and plain holes that are useful for mounting in various ways.

 

 

 

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