![PROFESSIONAL TOOL INDUSTRIES HSS DRILL BIT SET TIN COATEAD 170PCS](https://smithtools.co.uk/uploads/products/hss-drill-bit-set-tin-coatead-170pcs-0.png)
Details
- Tin Coated drills are for use at high speeds where the temperature is high enough to bring the coatings functional use into play
- Solid ground HSS drill bits, Tin Coated for extra durability
- 170 pieces
- Sizes: 10 each 1.0 - 8.0mm x 0.5mm increments & 5 each 8.5 - 10.0mm x 0.5mm increments
- Strong metal carry case