Hcs Twist Drill Bit Set for Aluminum Wood Plastic Metal Hole 1-10mm/1-13mm

Specifications:

Name: White HSS Set 19PCS
Specification:1MM-10MM
Material:High-speed steel HSS
Use: Iron / copper / aluminum / wood / plastic, etc.

Name:Black HCS Set 25PCS
Specifications:1MM-13MM
Material:High-Carbon Steel HCS
Use:Iron/wood/plastic etc.

Package Included:
19pcs/25pcs

Features:

The twist drill set is packed in an iron storage box, which is exquisite and beautiful
Fully polished drill bit with greatly increased hardness and toughness, and greatly increased life
Effective prevention of chip accumulation, high-speed operation and rapid chip removal, high efficiency
High-speed steel twist drill can drill: iron, copper, aluminum, wood, plastic
High carbon steel twist drill for drilling iron, wood and plastic