Toolzia Extra Long Twist Drill Bits,6Pcs HSS(High Speed Steel) Drill Bits 3.5mm Diameter 160mm Length for Hardened Metal Woodwork Plastic aluminum alloy

• Specifications:Twist Drill Bits Shank Diameter:0.135-inch; Drill Bit Length:4.03-inch; Total Length: 6.3-inch; 6 x Straight Shank Twist Drill Bit
• Strength and Hardness:Made of high-speed steel. HSS(High Speed Steel) enables the drill body harder and can keep a longer drilling life.and it is finished with fine polish to offer a good durability
• Twisted Design:With the twisted design, it can improve cutting accuracy by centering the tip. It can avoid displacement of the drill bit during work, and at the same time remove debris and particles faster and easier.
• Professional and DIY Use:Suitable for processing non-ferrous metals, such as copper and aluminum, and also suitable for hard plastics. When it cannot penetrate, try to adjust the RPM. Suitable for electric hand drill, bench drill and machine tool equipment.
• Note: Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage of wood, aluminum, plastic, etc

Specifications: Name: Extra Long Twist Drill Bits Material: HSS(High Speed Steel) Diameter:4mm,4.5mm,5mm,5.5mm,6mm,6.5mm,7mm,7.5mm,8mm Length: 160mm,200mm,250mm,300mm Quantity: 4 PCS Feature: 1. The twist drill is made of high-speed steel, which has high hardness and durability. 2. The drill bit has a wide range of high performance, portable, power tools and accessories are very suitable for most drilling operations and aluminum, wood, plastic and other materials. 3. Note: Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage of wood, aluminum, plastic, etc Package Including: 4Pcs HSS(High Speed Steel) Extra Long Twist Drill Bits