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Round Head Square Neck Carriage Bolt

Basic Info

Model No.:  LKCD

Product Description

Model NO.: LKCD Type: Round Head Head Style: Round Grade: 6.8 Finish: Plain Optional Properties: A2/4-50/70/80, Class 6/8/10, Grade 2/5/8, A307 Optional Size: M6 - M20, #10 - 1" Specification: DIN, ANSI, ISO and Non-standard HS Code: 73181500 Material: Carbon Steel Connection: Common Bolt Standard: DIN, ANSI Application: Machinery Optional Material: Stainless Steel, Carbon Steel, Alloy Steel, Brass Optional Finish: Passivated, Zinc, HDG, Magni, Geomet Trademark: LK Origin: China Round Head Square Neck Carriage Bolt
1> Decription: Round Head Square Neck Carriage Bolt
2> Material: Carbon Steel
3> Surface: Plain
4> Size: M5 to M20, #10 to 1"
5> Length: Up to 500mm
6> Mechanical Properties: Class6.8, 8.8, 10.9; Grade 2, 5, 8, A307
7> Packing: Bulk packing and box packing and according to customer's requested then in pallet.

The main products of carriage Bolts  including
1. DIN603 Mushroom Head Square Neck Bolt......
2. ISO8677 Truss Head Square Neck Bolt
3. ASME B18.5 Round Head Square Neck Bolt, Round Head Short Square Neck Bolt
Also we produce Hex Bolt, Hex Socket cap Screw , Allen Screw, Lag bolt(Coach screw), Hex Flange Bolt, Thread Rod , Square Bolt , Hex Bolt with Nuts and some Special Bolt per the drawing from the cilent.

Quotation will be sent shortly after getting your detailed inquiry.
Technical Delivery Conditions
Material Steel Stainless steel
General requirements As specified in ISO 8992
Thread Tolerance 8g
Standard DIN ISO965-1; DIN ISO965-2
Property class 4.6, 4.8, 8.8 A2-70, A4-70
Standard DIN EN ISO 898 Part 1 DIN EN ISO 3506-1
Limit deviations
geometrical tolerance
Product grade C
Standard DIN EN ISO 4759-1 
Surface finish DIN EN ISO 26157-1 shall apply with regard to permissible surface discontinuities
DIN EN ISO 16048 shall apply with regard to passivation
DIN EN ISO 4042 shall apply with regard to electropiating
DIN EN ISO 10684 shall apply with  regard to hot dip galvanize
DIN EN ISO 10683 shall apply with  regard to Non-electrolytically applied zinc flake coating
If different electroplating or other surface protection is desired, this shall be agreed 
upon at the time of ordering
Acceptance inspection DIN EN ISO 3269 shall apply with regard to acceptance inspection

Who is Lockey?
Full name Lockey Industrial Co., Ltd. A fastener manufacture founded in 1973. Dragon Iron Group devotes itself to the manufacture and sales of fasteners, hardware parts, forging and machine parts for Auto and other industries. 
Dragon Group has its headquarter, Dragon Iron Enterprise, in A Lien, Taiwan. 
Lockey Industrial Co., Ltd. set up in 2003 in Dongguan City to be the Foreign Sales Department of the group. Our plant was established in Jingjiang City. In that way, we can easily export our products. will show more.
What do Lockey produce?
As a fastener manufacture, we mainly produce including, but not only: 
1. Bolt, studs, and thread rods... 
2. Hex Nut , nylon Nut , flange locknut...
3. Tapping Screw, Drilling Screw, wood screw, Machine Screw, socket cap screw...
4. Plain washer, spring washer, tooth washer...
5. Structural applications, ASTM A325/A490, ASTM F1852/2280, DIN6914/5/6, DIN7990...  
Meanwhile, special fasteners, hardware parts, forging and machine parts for Auto are also in our range. We make parts for Toyota, Honda.
70% of our products are exported.
Why Lockey?
Lockey never stop doing one thing: INNOVATE. Innovation is the permanent power for the development of Lockey. Technology innovation and concept innovation, keep Lockey going well and going further. Meanwhile, Lockey gathered a group of talents who good at management and co-operation. Go and contact with these professional man, you will get a satisfied result.    
We are glad that you choose Lockey as your supplier, but Lockey more than a supplier. We are partner. We do not only sell, we share. Share the newly info of fastener, price trend...we also share profit.
We are friend. We do not only care our sales, but also yours; and the quality in using. 
What do Lockey do to assure the quality?
As a over 40 years experience in fastener manufacture with ISO9001 certificate, we meet difficulties or problems, and we solve them all ways. Lockey set up a quality assurance system according to ISO9001 with the 40 years experience. Criteria were made on factors that may effect the quality. 80% of our staff are skilled, and have worked in Lockey for more than 5 years, employee have to take skill class on/off work for weeks. All of these is to guide our worker how to prevent and handle an issue.
Do Lockey produce non-standard item?
Yes, we do. Send your specification drawings to our sales representative, then you will get a quotation.
Do lockey have a published price list?
We do NOT have a published price list. In our business market conditions are always fluctuating, which makes standard pricing difficult to maintain. We allow our sales staff to be flexible when it comes to quoting on your requirements, which means that you will receive the best pricing available when you need it.
Do Lockey offer a discount?
Of course. we can offer you a discount base on your large quantity. But at the same time, like what we said above, we believe our sales staff have offered you the best price. In that way, you may have a discount, but not a big one. Go and explore for it.
Do Lockey provide samples?
Why not, and stored samples are totally free. What we are going to tell you is that we do NOT have budget for Express. 
What's the delivery time?
It depends on your order quantity. It is about 20-40 days for standard ones, 35-60 days for non-standard ones. Check it with sales representative, he/she will give a accurate date of shipment.   
What is the payment term?
T/T & L/C are the prefer payment term. Also Western-Union is acceptable for low value payment, like samples' Express fee. 

Contact us if you need more details on Carriage Bolt. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Steel Carriage Bolt、Square Neck Carriage Bolt. If these products fail to match your need, please contact us and we would like to provide relevant information.

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