Twist Drill Bit Metal Black Oxide Drilling Set Hown store

Wide range of applications, drilling holes in aluminum, wood, plastic and other materials. The black oxide itself has a hardness of 5.5 on the Moh's scale

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Twist Drill Bit Metal Black Oxide Drilling Set

100Pcs 1-5mm High-speed Steel Serratula Twist Drill Bit Set
Wide range of applications, drilling holes in aluminum, wood, plastic and other materials.
The black oxide itself has a hardness of 5.5 on the Moh's scale

Description:
Brand: Hown store
Color: Black
Material: High Speed Steel / HHS
Surface material: Black oxide hardness
Hardness: 5.5 Moh

Size & Package included:
1mm: 20pcs
2mm: 20pcs
3mm: 20pcs
4mm: 20pcs
5mm: 20pcs

Feature
Improved lubricity oil or wax post-treatments not only protect against corrosion
High hardness, good toughness, and durability.
Ideal for DIY, home and building/engineering using.

Package Included:
100Pcs x Twist Drill Bit Metal Black Oxide Drilling set

Hown store

Twist Drill Bit Metal Black Oxide Drilling Set Hown store