High Speed Steel Extended Twist Drill Bits 4mm Drill Dia. 200mm Length 6 Pcs 3/8 SAE Male x 1/2 SAE Female Size: 600x400mm / 23

Size: 600x400mm / 23

Color: Sky Blue

Package Content : 4Pcs x Rotary Switch

Size: 17x10

refrigeration or hydraulic applications

High Speed Steel Extended Twist Drill Bits 4mm Drill Dia. 200mm Length 6 Pcs 3/8 SAE Male x 1/2 SAE Female Size: 600x400mm / 23Description 1. Made of high speed steel. HSS(High Speed Steel) enables the drill body harder and can keep a longer drilling life. 2. 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. 3. Suitable for processing non ferrous metals, such as copper and aluminum, and also suitable for hard plastics. When