
SupaTool HSS Drill Bit 4mm
£1.66 ex. VAT
Complete the job
Optional extras
- Free delivery from £50
- 14-day returns
- Secure checkout

Product details
Description
About this product
SupaTool HSS Drill Bit 4mm
The SupaTool 4mm HSS drill bit has a ground flute made from HSS4241 steel, to DIN338. It suits alloy steel, carbon steel, stainless steel, iron, wood and plastics.
Key features
- 4mm diameter
- Ground flute HSS4241 steel
- DIN338
- For alloy steel, carbon steel, stainless steel, iron, wood and plastics
Specifications
| Brand | SupaTool |
| Diameter | 4mm |
| Material | HSS4241 |
| Standard | DIN338 |
Where is a 4mm bit used?
A 4 mm drill bit is handy for pilot holes, small fixings and clearance holes in sheet metal.
How to use
- Secure the workpiece.
- Mark the centre with a punch on metal.
- Drill at a moderate speed.
- Use oil on steel.
- Clear swarf as you go.
FAQs
What size is it?
4mm.
What steel?
HSS4241.
Can it drill stainless steel?
Yes.
Specifications
- Ground flute HSS4241 steel
- DIN338
- Suitable for alloy steel, carbon steel, stainless steel, iron, wood and plastics
- 4mm
| Brand | SupaTool |
|---|---|
| Diameter | 4mm |
| Material | HSS4241 |
| Standard | DIN338 |
Delivery & returns
Delivery (UK only)
- Standard delivery £4.99, or free on orders of £50 or more. Arrives 2 to 3 working days after dispatch.
- Express delivery £6.99. Arrives the next working day after dispatch.
- Order before 1pm Monday to Friday and it is dispatched the same working day. Later orders, and orders placed at the weekend, are dispatched the next working day.
- We do not dispatch at weekends or on UK bank holidays.
- Remote postcodes can take longer. Heavy items may come on a pallet.
Returns
- Changed your mind? Tell us within 14 days of delivery, then send it back within a further 14 days.
- Faulty items can be returned within 30 days.
- Tinted or mixed paint, opened sealants and chemicals, and cut-to-size goods cannot be returned.



















