ISO 7380 Hexagon Socket Button Head Screws Steel Class 10.9 Black
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ISO 7380 Hexagon Socket Button Head Screws Class 10.9 Black ISO 7380 - Hexagon Socket Button Head Screws Class 10.9 Black
Socket button head cap screws ISO 7380 are not intended for high strength application. The purpose of producing them with a strength of the property class 10.9 is to increase the wear resistance of the sockets.
ISO 7380 : 2004 Hexagon socket button head screws,which was prepared by ISO/TC 2 ‘Fasteners’ of the International Organization for
Standardization, has beenadopted by Technical Committee CEN/TC 185 ‘Threaded and non-threaded mechanical fasteners andaccessories’, the
Secretariat of which is held by DIN, as a European Standard.
Legend:l - length of bolt Makings:QBHSteel: 8.8,10.9,12.9 Table according to ISO 7380-1:
Stainless steels can be divided into three groups of steel - austenitic. ferritic and martensitic. Austenitic steel is by far the
mostcommon type (>90% of commercial fasteners). The steel groups and strength classes are designated by a four-digit
sequenceof letters and numbers (eg A2-70) as shown in the following table. DIN EN ISO 3506 governs screws and nuts made
fromstainless steel.
Process flow
Cold forging Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ thread rolling ➨make heat treatment(if need) ➨ Finish ➨ Packing
PACKING
QBH BULK 20-25KG/CTN,36CTNS/PALLET 20-30KG/BAGS,36BAGS/PALLET ONE TON/BOXES 50KG/ IRON DRUM,12 IRON DRUMS/PALLET
QBH SMALL PACKING Packing in small boxes according to customer’s requirements Packing in plastic bag according to customer’s requirements
QBH PALLET TYPE SOLID WOOD FUMIGATION PALLET EURO Pallet THREE SPLINT PALLET WOODEN BOX
The advantages of QBH
FAQ 1. How do you let me trust you. Jiaxing City Qunbang Hardware Co.,ltd hs its own right of import
and export,QBH trademark in China,United States,European Union have
been registered.At the same time,you can also check the
registration information of our company in the China industry and
Commerce system. 2. How about your price. We will be based on different markets,for different quality and
quantity,tailor-made prices for customers,in order to achieve
win-win goal. 3. How do you control your quality. Incoming quality contral( IQC)→Process Quality control(PQC)→Output
quality control(OQC),and the random samples is sent to TUV for
testing.If the customer received the goods and found quality
problems,QBH company promises to be responsible for returning money
or replenishing the goods 4. Could you provide free samples? For new customer, We can provide free samples for standard
fastener, But the clients will pay the express charges. For old customer, We will send you free samples and pay
express charges by ourself. 5. Do you accept small order? QBH company can accept small orders if we have them in
stock.Generally speaking,the stock probability of stainless steel
fasteners is higher than that of carbon steel fasteners. 6. How about your delivery time What we pursure is the high efficiency movement pattern,the
stainless steel fastener delivery time about 15days,the carbon
steel fastener will it about 30days 7. What is your packing. Usually 25KG/carbon,36CTNS on the pallets,or 20-30kg/Bags,then on
the pallet,QBH company personalized packagingis also available,like
10PCS/plastic bag or 10pcs/box,it can print some information such as LOGO and pattern of customers. 8. What is your payment term Normally,our terms of payment are TT and L/C,if we cooperate for a
long time,we can reach the point of mutual trust,and fully support
our customers to become bigger and stronger in the local market. Not only in the price concessions,but also in the payment can also
be made on credit,Specific credit sales time needs to be negotiated
separately
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