- Material: Crafted from 40Cr steel, this alloy steel is renowned for its superior mechanical properties and is widely utilized in the machinery manufacturing sector, ensuring durability and reliability. - Dimensions: Each parallel block measures 3 inches in length and 1/8 inch in thickness. The widths include: 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 inches, offering a versatile range for various applications. - Precision: Designed for accuracy, these blocks feature a size tolerance of approximately 0.0003 inches and a parallelism tolerance of 0.0002 inches, making them ideal for precise machining tasks. - Holes: Each parallel block is equipped with two holes of consistent size across each pair. The available hole sizes across 10 pairs include: 13/64, 1/4, 5/16, 3/8, 7/16, and 1/2 inches, enhancing compatibility with a variety of setups. Applications: 1. Machining: Use these parallel blocks in milling machines for precise height adjustments and to maintain consistent workpiece alignment. 2. Assembly: Ideal for setting up jigs and fixtures, ensuring that components are held securely and accurately during assembly processes. 3. Inspection: Perfect for quality control and inspection tasks where precise measurements are critical to ensuring part conformity. This product is essential for professionals seeking reliable, high-precision tools that enhance productivity and accuracy in their machining and assembly operations.