discount 70% in 2018-10-23 to 2018-10-25
price: USD$ 75.46
freight :USD$7.00,(Postal parcel)
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Also known as thread screw threads, the thread (tooth type angle 60, cutting height of 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
Thread (except for) generally refers to the standard thread tooth type ANSIB1.1, the tooth angle is 60 degrees, parallel threads. Thread series refers to the combination of thread diameter and pitch, for Unified threads ASME refers to different number of teeth per inch in diameter corresponding to a certain set, namely the number of teeth per inch. Thread series including UNC, UNF, UNEF, UN, UNS five series, respectively, on behalf of the coarse and fine teeth, teeth, fine pitch, constant special thread. The UNC, UNF is the most commonly used. The outer diameter of smaller size with said designations such as: NO:0, NO:1, NO:2, NO:3, NO:4, NO:5 until NO:12, a total of 10 numbers; then by inches, such as: 1/4-20UNC, 1/4 is the outer diameter, 20 teeth per inch, UNC refers to the coarse thread of American unity. The following is a common American ordinary (non useful) tap (TAP) specifications at the beginning of the U: NO0-80UNF, NO1-64UNC, NO2-56UNC, NO3-48UNC, NO4-40UNC, NO4-48UNF, NO5-40UNC, NO6-32UNC, NO6-40UNF, NO8-32UNC, NO8-36UNC, NO10-24UNC, NO10-32UNF, NO10-40UNS, NO12-24UNC, NO12-28UNF, NO12-36UNS, 1/4-20UNC, 1/4-24UNS, 1/4-28UNF, 1/4-32UNEF 5/16-20UN, 5/16-24UNF, 5/16-18UNC, 5/16-27UNS, 5/16-32UNEF, 3/8-16UNC, 3/8-20UN, 3/8-24UNF, 3/8-32UNEF, 7/16-14UNC, 7/16-20UNF, 7/16-24UNS, 7/16-28UNEF, 1/2-12UNS, 1/2-13UNC, 1/2-16UN, 1/2-20UNF, 1/2-28UNEF, 9/16-12UNC, 9/16-18UNF, 9/16-24UNEF, 5/8-11UNC, 5/8-18UNF, 5/8-24UNEF, 3/4-10UNC, 3/4-16UNF, 3/4-20UNEF, 3/4-24UNS, 7/8-14UNF, 7/8-20UNEF, and 7/8-24UNS, 1 5/16-28UN, 1 -8UNC, 1 -12UNF, 1 -20UNEF, 1-1/8-12UNF, 1-1/8-16UN, 1-1/4-7UNC, 1-1/4-12UNF, 1-1/2-6UNC and so on.
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1：This shop is preferredsto, can also choose to rhyme express. Through courier express every day, to send other express buyers, take the initiative to contact us, and must note, urgently express SF EXPRESS, remote regionsEMSAnd need to pay the balance of freight, please contact us, thank you.
2: buyers take the product, please carefully check the receipt of detailed information, so as to avoid unnecessary trouble；
3-: delivery time: under normal circumstances, buyers in the afternoon16:30Before photographed and payment of goods, normal can be shipped the same day, the afternoon16:30After the purchase of goods, then the next day delivery, weekends, holidays.
4：Please ProThe message is received，Please check the number of face to face inspection, check and correct after the signature! If the goods are found damaged, the number of discrepancies, unpacking of goods damaged, please refuse to sign, and timely contact with us. If we find the problem after receipt, shipment is not liable, as the seller is no way, please be sure to remember！
5：Express delivery time, becauseThe weather causes of automobile failure caused by transportation, time delays, unable to estimate, inform us, we actively cooperate to please you have to wait. Dispatch must be specified (SF express)
6. please buyers get the goods, acceptance of goods where there is no problem, as soon as possible in 1 to 2 days to confirm receipt, if there are problems in a timely manner or inform in time for you to handle, on receipt of 1-2 days and the owner confirmed that there is no contact. As the buyer received the goods as qualified. The owner asked again after the replacement parts or that the goods in question, we are not responsible for! Please buyers know!
All products are 7. restaurant before the issue are rigorously tested, the absolute guarantee that the goods in good condition. After the buyer receives the goods should be in the freight industry
Operator before check the goods, if there is damage, let the staff issued a "damaged goods proof", and then put the goods returned by the shipping company
Come, I shop for replacement.If the sign to the damage to the goods on the grounds of replacement or return, not in the restaurant returned. Thank You for Your Cooperation！！！