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The use of serrated drill bits

Choice of saw blades for cutting aluminum Aluminum cutting saw blades are the most commonly used cutting tools for aluminum processing. The quality of carbide saw blades is closely related to the quality of processed products. The correct and reasonable selection of carbide saw blades is of great significance to improving product quality, shortening processing…

How to drill holes with a longer drill bit

Double head drill bit functions Double-head drill bits, as the name suggests, are composed of two drill bits of different sizes. Has the following functions:

Internal calibration procedures for outside micrometers The width of the vertical engraved line on the fixed sleeve and the engraved line on the differential cylinder is (0.08~0.20)mm, and the difference in engraved line width should not be greater than 0.03mm. 6、 The indication error of the outer diameter micrometer should be within the range specified…

The principle of three-point inside diameter micrometer The three-point inner diameter micrometer is a commonly used measuring tool used to measure the inner diameter of workpieces. it is made up of threeIt consists of two measuring styli, which are located on three sides of the micrometer. Two of the stylus can be used to measure…

Reamer uses and types 1. Purpose A reamer is a rotating tool with one or more teeth that is used to cut away the thin metal layer on the machined surface of the hole. The hole after reaming can obtain precise size and shape. The reamer is used to ream holes that have been drilled…

The difference between impact drill bit and twist drill bit There are different types of drill bits. According to the drilling method, one is an impact drill and the other is a twist drill. What is the difference between the two? 1. What are the differences between impact drill bits and twist drill bits? 1….

The difference between diamond milling cutter and tungsten steel milling cutter 1. Tungsten steel knives and diamond knives are made of different materials The main manufacturing material of tungsten steel knives is tungsten steel (also known as high-speed steel), which is an alloy steel with high wear resistance, high temperature resistance and high hardness. Therefore,…

Commonly used reamer specifications and types Reamer is a cutting tool used to process reamed holes (i.e. internal threads). It is often used in mechanical machining. At work. Reamers can come in many sizes and types according to different needs and processing materials. This article will introduce some commonly used reamer specifications and types. 1….