
The Wera 847 HSS Combined Tapping Drill Bit in 3.3mm combines drilling, tapping and deburring into a single operation, cutting an M4 thread with precision. This size is well-suited to general metalworking, light fabrication and engineering applications where M4 fixings are commonly used. Constructed from high speed steel (HSS), the bit delivers excellent durability thanks to its finely-tuned material elasticity. The superb centring properties ensure the bit seats accurately on first contact, whi
The only currently-tracked offer for this product.
| Merchant | Price | Shipping | Total | Rating |
|---|
| Tooled Up· new | £14.95 | £5.95 | £20.90 | — |
Price shown as reported by the merchant — final price is confirmed at checkout. See Affiliate Disclosure.