Step Drills 

Title: Step Twist Drill Bits for stainless

Feature:

Step Twist Drill Bits for stainless , you can drill two different diameter hole at the same time, drill the hole and chamfering in the same time. Material: Tungsten carbide steel, Cobalt HSS steel available.

Best material for work: acetate, manganese, copper alloy, aluminium alloy,stainless steel.

Size:0.2mm--20mm ,Special size can customize by client.

With advanced equipment and qualified workers, ZHIDA is well-known as one of the professional China step twist drill bits for stainless manufacturers and suppliers. With a professional factory producing high precision and good wear resistance custom step twist drill bits for stainless, we warmly welcome you to wholesale products with us.