10 Pair 1/8 x 4 Machinist Parallel Block Tool Set, 0.0002 Parallelism Accuracy Matched Parallel Bar

10 Pair 1/8 x 4 Machinist Parallel Block Tool Set, 0.0002 Parallelism 1/2 to 1-5/8 Alloy Steel Accuracy Matched Parallel Bar

10 Pair 1/8 x 4 Machinist Parallel Block Tool Set, 0.0002 Parallelism Accuracy Matched Parallel Bar

10 Pair 1/8" x 4" x (1/2" to 1-5/8") Matched Machinist Parallel Block Tool Set Specification: Material: 40Cr Steel Hardness: HRC52-58 Parallelism: 0.0002" Tolerance of Size: ±0.0003" Features: Accuracy machinist parallel block tool set, very suitable for machinists, woodworking, metal working work, accurate and easy to clean The parallel blocks are packed in box with a layer of rust-proof wax paper, which is easy to clean and has a good surface finish Package Includes: 2Pcs 1/8" x 4" x 1/2" (13/64" hole) 2Pcs 1/8" x 4" x 5/8" (1/4" hole) 2Pcs 1/8" x 4" x 3/4" (5/16" hole) 2Pcs 1/8" x 4" x 7/8" (5/16" hole) 2Pcs 1/8" x 4" x 1" (5/16" hole) 2Pcs 1/8" x 4" x 1-1/8" (3/8" hole) 2Pcs 1/8" x 4" x 1-1/4" (3/8" hole) 2Pcs 1/8" x 4" x 1-3/8" (7/16" hole) 2Pcs 1/8" x 4" x 1-1/2" (1/2" hole) 2Pcs 1/8" x 4" x 1-5/8" (1/2" hole) Note: Do not store them in a humid environment, even if you do not use them, you should brush oil regularly to prevent rust

Key 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: All parallel blocks are 4 long and 1/8 thick, and they are 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8, 1-1/2 and 1-5/8 wide
• ✅ Accuracy: The size tolerance is around 0.0003, and the parallelism tolerance is 0.0002
• ✅ Hole: Each parallel blocks has two holes, and the size of the holes in each pair of parallel blocks is the same. 10 Pairs of parallel blocks have different sizes of holes: 13/64, 1/4, 5/16, 3/8, 7/16, 1/2
• ✅ Package Includes: 20Pcs parallel block, each size has two (a total of 10 sizes), the product in a box is easy to carry, not easy to knock

✅ Product Dimensions: 8.39 x 5.91 x 4.37 inches; 3.62 Pounds

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