Specifications

the chip flow is optimized, so even long, non-breaking chips will be removed easily.

3 pcs TiALN Coated HSSCo5% M35 Step Drill Set

Packaging:     Wooden Box   or   Metal Case

Surface:     TiALN Coated

 

Item No.:    SDCO310             Spiral Grooved

Size include:

4 - 12mm x 5 step   ( 4 - 12 x 9 step are available )
6 - 20mm x 8 step
6 - 30mm x 13 step

 

Item No.:    SDCO311             Straight Grooved

Size include:

4 - 12mm x 5 step   ( 4 - 12 x 9 step are available )
6 - 20mm x 8 step
6 - 30mm x 13 step