TOOL WORTH HSS STEP DRILL 4-20 TIN COATED
- Â The ladder of its unique structure, a bit can open a variety of specifications of aperture.Â
- Â Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.Â
- Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible.
- The use of tools: drill, bench drill.Work while water cooling, can effectively extend the service life of drill bit,
Specification:
Size: 4-20mm
Allow 1-3mm measurement error.
Material: High speed steel
1X Hex Titanium Step Drill.
WASHING INSTRUCTIONS:
Machine wash separately in cold water on a gentle cycle. Tumble dry separately on low heat. Add QE Home Wool Dryer Balls to reduce wrinkles and increases drying efficiency. Touch up with a low heat iron as needed. Do not bleach or dry clean.