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SLT Shanghai Shenli thread tool hand tapping M20*2.5 metric hand tap one to two sets

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price:USD$25.20
discount 70% in 2018-09-21 to 2018-09-23
price: USD$ 17.64
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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  • Brand: Shanghai Shenli thread Tool Co., Ltd. SLT
  • Name: metric hand tap
  • Specification: M20*2.5* length 112mm*, blade length 37mm  
  • Accuracy: H4
  • Standard: GB/T3464.1
  • Material: Gcr15

Hand tapHand taps the carbon tool or alloy tool steel rolling (or incisor) tap, suitable for manual tapping machine and its structure and working principle is basically the same as the tap.Hand taps are two pieces assembled. One cone and one cone.The guiding part of a cone is long, the cutting part is grinding 6 edges, the two cone is short, and the cutting part is grinding two edges. When using, usually through special wrench for cutting.Usually, the tap is made up of the working part and the shank. The working part is divided into the cutting part and the calibration part. The former has a cutting cone, which is responsible for the cutting work, and the latter is used to calibrate the size and shape of the thread.

Machine taps can do with taps, but hand taps can not replace the machine on the machine tap, tap no machine taps with high strength, not suitable for machine use!

For your readingTapThe tool is processing a variety of medium and small size internal thread, it has the advantages of simple structure, convenient use, can be manually operated, can also work on the machine tool, is widely applied in production.TapAs a tool for machining internal thread, it can be divided into spiral tap and straight edge tap according to its shape... In accordance with the use of the environment can be divided into hand taps and machine taps... Made in accordance with the specifications can be divided into metric, British tap, and... They can be divided into imported taps and domestic taps according to their origins... Tap is the most important tool for manufacturing operators to process thread at present. Tap is used for processing nuts or other parts of the ordinary internal thread (that is, wire tapping).Machine tap application: refers to high-speed steel molar tap, suitable for tapping on machine tools.Class: tap tap, pipe thread tap, nut tap, spiral fluted tap, tap, tap, screw tip trapezoidal screw tap, tap, tap, tap, swarf extrusion Taps, pulley cylinder taper tap machine. Etc.. The performance of each one has his good points.Machine taps only a material is generally of high speed steel (because of high cutting speed, no tail), general tenon (there are exceptions) is used when cutting through the machine.Hand taps are usually only two, called one cone and two cone respectively. Hand tap material is usually alloy tool steel or carbon tool steel. And the tail is well tenon.. When using, usually through special wrench for cutting.