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1 Pair of Matched 1 x 2 x 3 Accuracy Parallel Blocks, 23-Hole 0.0002 Inch Alloy Steel 1 2 3 Parallel Block Set

4.7 (2) Write Review
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$18.09

$ 8 .99 $8.99

In Stock
  • 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 is about 0.0002, 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: Accuracy grade tool steel was quenched and ground on all six sides of the block
  • Features: Cross drilling design for minimum weight and maximum strength


1" x 2" x 3" 23-Hole Matched Accuracy Parallel Blocks, 40Cr Steel

Specification:

Hole: 23

Size: 1" x 2" x 3"

Material: 40Cr Steel

Hardness: HRC55-62

Squareness: 0.0003"/1"

Tolerance of Size: 0.0002"

Thread Holes: 5 - (3/8 "-16)

Untapped Holes: 18 - (9mm)

Features:

With 5 threaded holes (3/8"-16) for bolting, drilling, hammering or other purposes.

This is a set of 123 parallel blocks containing two that you can use to assemble into other shapes

The parallel blocks are packed in cartons with a layer of rust-proof wax paper, which is easy to clean and has a good surface finish.

Accuracy machine block milling machine, very suitable for machinists, woodworking, metal working work, accurate and easy to clean.

Package Includes:

2 x 1" x 2" x 3" Accuracy Parallel Blocks


J. Miller
Reviewed in the United States on December 6, 2023
Mic'd out well enough. Arrived in good condition. Using a set as gift.
Eli Winterburn
Reviewed in the United States on November 16, 2023
Haven't checked accuracy yet however they seem to be well made