What is a twist drillTwist drill is a tool for drilling round holes of workpieces by rotating cutting relative to a fixed axis. It is named for its spiral-shaped chip holding groove, which resembles a twist. Spiral grooves have 2, 3, or mor···

1, the drill should be installed in a special packaging box to avoid vibration collision with each other.2, when in use, remove the drill from the packaging box should be installed in the spring clamp of the spindle or automatically replace···

Decoration ranging toolTape measure: It is mainly used to measure the size of the net height, net width and cabinets of the house when inspecting the house. Check whether the reserved space is reasonable and whether the size of the kitchen ···

Twist drill is the most widely used drill in industrial manufacturing, and we generally use twist drill. The length to diameter ratio of the bit is calculated when the technician selects the most appropriate bit type for a specific hole mac···

1. Class II products should be used in general occasions, and Class II or Class III products should be used in places with good electrical conductivity such as damp places or metal frames. In metal containers, pipes, boilers and other narro···

Twist drill usesTwist drill use has a direct relationship with its style and type, the market has cobalt stainless steel twist drill, parabolic deep hole twist drill, gold twist drill, titanium plated twist drill, high-speed steel twist dri···

Electric tools mainly include electric drill, electric hammer, impact drill, curve saw, Angle grinder, marble machine, electric circular saw, cutting machine, electric planer, grinder and its related accessories.1. Power tools can be divide···

The principle of the electric hammer is that the driving mechanism is driven by the rotary motion of the drill bit, and a reciprocating hammer-strike movement perpendicular to the turning direction. The electric hammer is driven by the driv···