HSS STEP DRILL BIT 4-32MM - HSD430
High‑performance HSS step drill bit 4–32mm for clean, burr‑free holes in steel, stainless, aluminium, plastic and wood; fast self‑starting design for electricians, plumbers and sheet‑metal fabricators.
Key Features
- Size range: 4–32mm stepped increments for multiple hole diameters from one bit.
- Material: Hardened high‑speed steel for long life and consistent cutting.
- Self‑starting tip: Prevents drill wandering for accurate hole placement and faster setup.
- Automatic deburring: Cuts and deburrs in one pass to save time on finishing.
- Laser‑marked steps: Durable diameter markings for easy, repeatable drilling.
- Shank options: Fits standard chucks and quick‑change hex adapters for cordless drills.
Benefits and Use Cases
- Save time and tooling costs by replacing multiple twist bits with a single stepped bit.
- Ideal for tradespeople: electricians, HVAC installers, plumbers, auto mechanics and sheet‑metal workers who drill repeated holes in thin materials.
- Clean holes with minimal distortion in thin gauge metals and plastics, reducing the need for post‑drill rework.
- Portable and jobsite friendly: compact solution for on‑site patterning, conduit knockouts and panel work.
Technical Specs
- Model: HSD430
- Range: 4mm to 32mm; multiple stepped diameters laser marked for accuracy.
- Construction: High‑Speed Steel; heat treated for hardness and wear resistance.
- Recommended materials: Steel, stainless steel (thin sheet), aluminium, brass, copper, wood, plastic.