Step Drill 101-351T RUKO

【Features】
The 3-blade design allows stable drilling without stress and chatter.

【Use】
Work material: Iron (strength 900N/mm [[square of]] or less), brass, plastic (plastic only 2mm, others up to 4mm)

【Specification】
Step width (mm): 4
Number of steps (steps): 9
Shank diameter (mm): 8
Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20
Surface treatment :Titanium coating

【Specification2】
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【Material/Finish】
High speed steel

【Set contents/accessories】
None

【caution】
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