1. The sectional shape of file shall be compatible with the filing surface shape of work-piece; 2. Bastard file is suitable for work-piece with high machining allowance, low machining accuracy and high surface roughness, but smooth cut file, on the contrary, is suitable for work-piece with low machining allowance, high machining accuracy and low surface roughness, the applications of second cut file are between the app lications of bastard file and smooth cut teeth file. Dead smooth file applies to final finishing and smoothing of work-piece in order to improve dimensional precision and reduce roughness, while single cut file applies to machining soft material; 3. The dimensions and specifications of files depend on machining surface size and machining allowance of work piece Longer file is suitable for work-piece with greater machining surface size and machining allowance, but shorter file,on the contrary, is suitable for work-piece with lower machining surface size and machining allowance. The file shall be 150-250mm longer than filing surface; 4. Proper selection of handle makes your filing work easier and more efficient.
Q1: Why choose us ? A: 1.we are Alibaba Assessed 2 years Gold supplier. 2.we are a factory manufacturing the tools, best production capability, best quality control, and best service. 3.100% QC inspection before shipping, competitive price.
Q2: Can you help me design or modified the products as we request ? A: We have a R&D capability and professional &efficient team, so custom service and OEM/ODM are welcomed. we will try our best to make it out as long as you have a good idea.
Q3: What about the after-sales service ? A: Our company is responsible for the supplied product within its usage life.
Q4: What about the samples? A: We can supply samples.But we should charge the sample fee. And we will return after order confirmed.Customer should be responsible for the shipping fee when they require specific delivery method.
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