ALL-CARB 1 x 2 x 3 Matched Ultra Precision Parallel Blocks Set, 23-Hole 0.0001 Inch Alloy Steel, 123 Parallel Block Set with Screws and Hex Key
ALL-CARB 1 x 2 x 3 Matched Ultra Precision Parallel Blocks Set, 23-Hole 0.0001 Inch Alloy Steel, 123 Parallel Block Set with Screws and Hex Key
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ALL-CARB 1 x 2 x 3 Matched Ultra Precision Parallel Blocks Set, 23-Hole 0.0001 Inch Alloy Steel, 123 Parallel Block Set with Screws and Hex Key

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Key item features

  • Material: Made of 40Cr steel, which is an alloy steel with good comprehensive mechanical properties and is currently one of the most widely used steels in the machinery manufacturing industry
  • Dimensions and Accuracy: The three sides are 1, 2 and 3 respectively, the tolerance of size and flatness and parallelism is about 0.0001, the squareness is about 0.0003/1
  • Holes: There are 23 holes in the block, 5 are threaded holes, which are used for clamping, the remaining 18 are untapped holes, 5 threaded holes are 3/8-16 in size, and the other 18 holes are 9mm in diameter
  • Design: Precision grade tool steel was quenched and ground on all six sides of the block, cross drilling design for minimum weight and maximum strength
  • Package Includes: 1Pcs hex key, 2pcs 1 x 2 x 3 precision parallel blocks, 5pcs 3/8-16 stainless steel socket head cap screws
Current price is $20.25
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Sold and shipped by ALL-CARB
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Feb 4, 2026
Steve
Sold byALL-CARBDelivered byWalmart
5 out of 5 stars review

Verified Purchase

great milling good set

best price i found with the case.

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