Small Hole Drilling H22 (7/8”)

This section details specifications for integral drill steels used in small hole drilling applications, specifically the H22 series with a diameter of 7/8 inch.

Product Specifications

• Diameter (D): Various sizes around 7/8 inch, with precise fractional inch measurements ranging approximately from 1 9/64" to 1 5/8".
• Length (L): Multiple lengths available, including 800 mm, 1600 mm, 2400 mm, 3200 mm, 4000 mm, and 4800 mm, corresponding to approximately 2.5 to 13 feet.
• Part Numbers: Each size and length combination is assigned a unique part number for ordering and identification.
• Hexagonal Dimensions: The drill steels have hexagonal cross-sections with specified dimensions to ensure compatibility with drilling equipment.

Product Range and Series

The catalogue lists multiple series and part numbers, indicating a broad range of integral drill steels tailored for different drilling depths and diameters within the small hole drilling category.

Key Parameters and Recommendations

• Selection of drill steel length and diameter should be based on drilling depth and hole size requirements.
• Hex dimensions are critical for proper fitting and torque transmission during drilling operations.
• Part numbers should be referenced accurately to ensure correct product procurement.

Summary

This technical data provides essential dimensions and ordering information for integral drill steels in the H22 small hole drilling series, facilitating precise selection for drilling applications requiring 7/8 inch diameter tools with various lengths and hex sizes.