What is a reaming drillDrill and reaming drill is the same thing, but the role is different, are the use of cutting edge drilling; The drill drill expands the bottom hole drilled by the drill bit.What are the specifications and characterist···

First, what is the reason why the impact drill does not impactImpact drill is a commonly used drilling tool, the use of the internal shaft of the gear beat each other to achieve impact, in the process of use, sometimes there will be impact ···

The drill should be packed in a special packaging box to avoid vibration collision with each other.When in use, remove the drill from the box should be immediately installed in the spindle spring clamp or automatic change of the drill tool ···

Slect drill bits according to different applications:Twist drill general twist drill made of high-speed steel; A deep hole drill usually refers to a tool for machining holes with a ratio of hole depth to aperture greater than 6. Commonly us···

According to the structure classification can be divided intoThe head, body and shank of the integrated bit are made of the same material.The top of the end welded bit is welded by carbide.Incompatible by diamond classification can be divid···

Twist drill specifications:Φ Φ 1.0, 2.5, 1.5, 2.0, Φ Φ Φ Φ 3.0, 3.2, 3.3, 3.5 and 3.8, Φ Φ Φ Φ 4.0, 4.2, 4.5 and 4.8, Φ Φ Φ Φ 5.5, 5.0, 5.2, Φ Φ Φ 5.8, Φ Φ 6.0, 6.2, 6.5, 6.8 and 7.0, Φ Φ Φ Φ 7.2, Φ 7.5, Φ Φ 7.8, 8···

There are several types of percussion drill bitsWhen purchasing a hammer drill, you need to choose the right type of hammer drill according to the operation requirements. The type of hammer drill is generally distinguished by the bit diamet···

What is a percussion drillImpact drill, also known as impact drill, is a kind of power tool used for drilling bricks, blocks and light walls and other materials, mainly rotary cutting, both rely on the operator thrust to produce impact forc···