About this item

• With 23 Holes. Squareness: 0.0001". Parallelism: +/- 0.0001"
• Height Accuracy in Pair: +/- 0.0001". Hardness: HRC 56-60. Oversize to allow nominal tapping
• Finished from 6-16 micro inches. Nominal Tapping: 0.0001" to 0.0003". Surface finish
• 5 holes tapped to 3/8-16 and others untapped. Precision ground on all sides. Squareness on all sides
• Set includes: 5 socket head cap screws; 1 hex key. Packed in a fitted strong case
• Precision Engineering: Offers 0.0001" squareness and +/- 0.0001" parallelism for ultra-precise measurements.
• High-Quality Material: Hardened to HRC 56-60 for optimal durability and longevity, ensuring consistent performance.