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Tap tap amount metric machine M72*6/M75*6/M75*4/M75*3/M75*2/M75*1.5

discount 70% in 2018-09-23 to 2018-09-25
price: USD$ 1305.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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The whole shop is full[shop commodity participation]          Activity time: 2017.08.03-2017.11.03
Single order full150Yuan, sendUSB fan - click to shoot
Single order full300Yuan, sendUSB fan - click to shoot Free shippingOnly include (Shanghai, Jiangsu, Zhejiang, Anhui)
Single order full500Yuan, minus5Yuan, sendUSB fan - click to shoot Free shippingNot included (Taiwan, Hongkong, Macao, overseas)
Mail items are limited to small items under 5kg, and USB fans need to be photographed together with merchandise to present them. Wholesale small profits - thank you for your cooperation

The amount of authentic American machine taps, W6542 high speed steel, precision 2B, more than pure brand, fake a penalty 10

Also known as thread screw threads, the thread (tooth type angle 60, cutting depth is H/8) is different from the Whitworth Thread (tooth type angle 55, cutting depth is H/6). Unified thread code "UN" before a letter "U" from among the Allies "unification"; after a letter "N" from the national threaded code N".

The first digit 3/8 said the screw diameter in inches, converted to metric units mm is multiplied by 25.4, which is 3/8 * 25.4=9.525mm; second, third, 24, 32, 16 and 20 per inch (the number of teeth in the length of 25.4mm); third after the words UNF, UNFF, UNC, code UN for the last two series code, 2A precision grade. UNC: unified coarse thread