► Excision | Step Drills

Precision Hole Cutting for Sheet Metal & Thin Steel

Industrial Shed supplies Excision step drills designed for controlled hole cutting where accuracy finish quality & speed matter. These tools are widely used in electrical fit-outs panel fabrication enclosure work HVAC installs & light steel fabrication where clean stepped holes reduce rework.

Excision step drills allow operators to open multiple hole sizes using a single tool making them ideal for repetitive work in thin materials. When paired correctly they reduce tool changes minimise burr formation & maintain round hole geometry even at higher drilling speeds.

For thicker starting material Excision step drills are often used after pilot drilling with HSS drills, allowing accurate entry points before controlled hole expansion. This workflow improves alignment & reduces grab in sheet metal applications.

Where material hardness increases Excision step drills are commonly supported by HSS+ drills, providing better heat resistance during pilot drilling while protecting step drill cutting edges from premature wear.

In stainless steel or abrasive materials operators may switch to carbide drills for initial penetration then return to step drills for sizing, finishing & deburring tasks where control matters more than depth.

In fabrication environments Excision step drills also complement mag based drills, handling secondary hole sizing access holes & clean-up work once structural drilling is complete.

For larger diameter openings step drills are frequently used alongside holesaws & sets, allowing operators to move efficiently from pilot hole preparation to finished cut-outs without changing setups.

What’s in This Collection:

► Excision step drills
‣ stepped geometry for accurate multi-size hole cutting

► Progressive diameter profiles
‣ reduces tool changes during repetitive panel work

► Precision ground cutting edges
‣ improves finish quality with minimal burr formation

► Thin material cutting capability
‣ suited to sheet metal enclosures ducting & panels

► Workshop drilling compatibility
‣ integrates with HSS drills & HSS+ drills workflows

► Trade-ready durability
‣ supports frequent use in installation & fabrication work