13pcs M35 Hss Steel Twist Drill Cobalt Drill Bits Co Stainless Steel Drill Set

• --Easy to apply and store: Metal drill bits, are equipped with a portable plastic box for easy storage and organization
• --Durable material: The industrial grade 6542 high-speed steel bit set is harder than the 4241 high-speed steel bit sets; 5% cobalt can improve wear resistance and durability
• --Process and angle: fully ground spiral groove, 135° accurate and fast, no center punch is needed
• --Application: Very suitable for cutting hard metals, such as stainless steel, and other softer metals.

Description:
Product name: Cobalt-containing high-speed steel drill bit set
Material: M35 (containing 5% cobalt)
Specifications: 1/4, 1/8, 3/8, 3/16, 1/16-1/4 (13-piece set)
Suitable for: metal, stainless steel, alloy, copper, iron, aluminum, titanium and wood
Packing list: 
1 box/set of drill set
Note: 
Not applicable to glass or ceramic materials.
Not applicable to high-carbon steel and heat-treated steel.
Pay attention to the speed, pressure and heat control when drilling.