Q:I'm going to drill 10.5 of the thread. How many holes do I have to drill before tapping? How big is the tap?

As a tool for machining internal thread taps, according to the shape can be divided into straight edge and screw tap tap, in accordance with the use of the environment can be divided into hand taps and machine taps, made in accordance with the specifications, and can be divided into metric, British tap, according to the origin can be divided into domestic and imported tap tap. Tap is the most important tool for operators to process thread.

Q:304 stainless steel material generally what kind of drill material processing?

304 stainless steel materials are generally processed by high-speed steel drill bit, carbide steel drill bit.

Q:What does the cutting depth of the drill mean 3D?

For example, 3D, the drill diameter is 20MM, then the effective drilling depth is 60MM, but the actual standard bit slot length must be about 80mm, because we should consider the chip space!!

Q:Tap with 5 taps. How many drills are drilled?

Calculation formula:The workpiece is a brittle material (cast iron, bronze, etc.): the bore diameter is D=d- (1.04 to 1.08) tThe workpiece is made of plastic material (steel, copper, etc.): bore diameter is D=d-tD: nominal diameter of thread, t: pitch, unit: mm

Q:What size drills are we going to use to drill the holes in the M7 and with the larger twist drills?

M thread, the twist drill is used to represent theIf the hole drill with M7 drill bit is 6.5, you can use M7 taps.

Q:What are the tools, drills, and any of the machine tools made of?

According to the material: steel knife (carbon tool steel, alloy) alloy knife, ceramic knife, knife and other boron nitride.In the form of the structure: Forged knife knife, knife clip, welding machine.According to the use of points: cylindrical knife, round knife, thread knife, knife, left and right knife, arc knife

Q:What's the difference between an impact drill and an ordinary electric drill?

An electric drill is a drilling machine that uses electricity as power. Is the power tools in the conventional products, but also the largest demand for power tools products. The electric drill is only available in the form of rotation, especially for drilling on materials that require little force, such as cork, metal, brick, tile, etc.. Just rely on the electric motor drives the drive gear to increase the strength of the drill bit rotation, do scraping in metal, wood and other forms of perforated material.

Q:What's the diameter of the PT3/8 internal thread drill?

A spiral shaped continuous raised part having a specified cross section on the surface of a cylinder or cone. According to its parent thread shape is divided into cylindrical and conical screw threads; according to their position in the matrix is divided into outer and inner thread, according to the section shape (teeth) divided into triangular thread, rectangular screw, trapezoidal thread, serrated thread and other special shape screw.

Q:How to remove the electric clock bit

The outer part of the drill joint is provided with a plastic sleeve, and one hand pushes the plastic sleeve inward, and the other hand holds the drill bit to pull out the drill bit.

Q:Can an electric drill bit a wall?

Hammer: single wall drilling tool. Compared with the percussive drill, it is much higher than the impact drill;