Rotabroach Site H3RO Step Drill
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Rotabroach Site H3RO Step Drill
The Rotabroach SITE H3RO Step Drill in the 4mm–12mm diameter range is the compact entry-level option in the range, purpose-suited to lighter applications where smaller hole sizes are the primary requirement. Stepping from 4mm to 12mm in 5mm increments, this variant is an efficient and portable solution for focused, precision drilling tasks in thin gauge material.
Like all drills in the H3RO series, it is compatible with Site H3RO holders for impact wrenches as well as standard 3-jaw drill chucks, making it easy to integrate into your existing toolkit. The spiral flute and 118-degree split point ensure clean, accurate cuts, while the high-performance heat-resistant coating delivers up to 75% longer tool life.
Features and Benefits:
• Compact 4mm to 12mm range — ideal for smaller, precise hole sizes
• 5mm step intervals for accurate, incremental hole sizing
• Spiral flute and 118-degree split point for smooth, clean cuts
• High-performance coating for up to 75% longer tool life
• Compatible with Site H3RO impact wrench holders and standard 3-jaw chucks
Specifications:
Diameter: 4mm - 12mm
Shank: 7/16" Hex Impact Shank
Specifications
More Help
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There is a Rotabroach manufacturer warranty for this product which covers all manufacturing defects for the normal lifetime of the tool but does not cover wear and tear or damaged cause by misuse. This does not affect your statutory rights.
Get help regarding Rotabroach Site H3RO Step Drill
For any technical enquiries relating to this product it is best to call the manufacturer, Rotabroach, direct on 01142 212510.
For any other queries relating to ordering this item, stock availability, existing orders or returning faulty items etc please contact us at Tooled-Up at sales@tooled-up.com or call on 020 8805 3535.