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Lexem 4-20mm HSS Step Drill Bit
9 Step
SKU: LEXHSD420
Limited Stock
$22.00
$20.00 ex GST
Limited Stock
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30 Days Peace Of Mind
The LEXEM 4–20mm HSS Step Drill Bit (HSD420) is a must-have for electricians and trade professionals needing fast, precise hole drilling across multiple sizes. Designed to handle a wide range of materials, this step drill eliminates constant bit changes, making it ideal for switchboard work, cable entry points, and general fabrication. Built from high-speed steel, it delivers dependable cutting performance and long service life on site.
Key Features
- Wide drilling range (4mm–20mm) – Covers multiple hole sizes in one tool
- High-Speed Steel (HSS) construction – Strong, durable, and long-lasting
- Step design for incremental drilling – Clean hole enlargement without grabbing
- Smooth, burr-free finish – Ideal for visible or precision work
- Time-saving solution – Eliminates the need for multiple drill bits
- Suitable for trade and DIY use across various materials
Specifications
- Model: HSD420
- Brand: LEXEM
- Product Type: Step Drill Bit
- Material: High-Speed Steel (HSS)
- Drilling Range: 4mm – 20mm
- Cutting Style: Stepped / incremental
- Application Materials: Metal, plastic, wood, aluminium
- Use Case: Light to medium-duty drilling applications
Applications
- Drilling holes in electrical enclosures and switchboards
- Installing cable glands, conduit fittings, and accessories
- Sheet metal fabrication and modifications
- HVAC, plumbing, and general trade work
- Enlarging existing holes cleanly and accurately
For fast, accurate, and professional results, the LEXEM HSD420 4–20mm Step Drill Bit is a smart addition to any toolbox—helping you complete drilling tasks quicker, cleaner, and with greater precision every time.
Q. What materials can the HSD420 drill bit be used on?
A. It is suitable for metal, plastic, aluminium, and wood, making it highly versatile for trade applications.
Q. What hole sizes does this step drill cover?
A. It drills a range from 4mm up to 20mm, allowing multiple sizes with one bit.
Q. Is this suitable for thick steel?
A. It performs best on thin to medium gauge materials. For heavy or hardened steel, a specialised drill bit is recommended.
Q. Why use a step drill instead of standard drill bits?
A. Step drills provide cleaner holes, reduce snagging, and eliminate frequent bit changes, improving efficiency on site.
All products must be installed by a licensed electrican. DIY electrical work is illegal and very dangerous.
Change of Mind
All products purchased from MJS Electrical Products & Supplies are backed by a thirty (30) day Peace of Mind Return Policy. All products returned must be in perfect unused condition, with all components, complete with original packaging. We will not allow returns on damaged or incomplete products. Proof of purchase is required. Should the product not be in original condition, please contact us before returning it as this may save you some unnecessary costs.
Damaged / Faulty Goods
If you find that the goods were damaged in transit or were faulty in some manner, please contact us within 24 hours of receiving the goods. We will organise for the return of the goods and arrange a credit towards your next purchase or send a replacement product. Customer will incur the cost of return postage and be credited the purchase price only. We recommend that you return your unwanted items using registered post or trackable courier. We can not be held responsible if returned items are lost in transit.
Warranties
Product warranties are governed by the respective manufacturers and / or suppliers warranty terms and conditions (available on request). We will not be liable to you or any third party for any loss suffered due to product failure. We will process product warranty claims through the respective manufacturers and/or suppliers. All warranties are void if the product is not installed by a licensed electrician.
| PRODUCT INFO | |
| SKU | LEXHSD420 |
| Model # | HSD420 |
| Barcode # | 9360736000011 |
| Brand | LEXEM |
| SHIPPING INFO | |
| Shipping Weight | 0.1600kg |
| Shipping Width | 0.085m |
| Shipping Height | 0.015m |
| Shipping Length | 0.173m |
