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Home Toolbuy Products High Strength Heavy Hex Bolt Tc Bolt (Tension Control Bolt) for Steel Structure

High Strength Heavy Hex Bolt Tc Bolt (Tension Control Bolt) for Steel Structure

High Strength Heavy Hex Bolt Tc Bolt (Tension Control Bolt) for Steel Structure
Price: US $ 0.086-0.09/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 10000/Piece
Pay Type: L/C,T/T
Prod Model: lkbb
Sample: Free (If in Store)
Market: Global
Optional Material: Stainless Steel, Carbon Steel, Alloy Steel, Brass
Optional Properties: A2/4-50/70/80, Class 6.8/8.8/10.9, Grade 2/5/8....
Optional Finish: Zinc, HDG, Magni, Geomet, Dacromet, Passivate.....
Optional Size: M12 to M125, or 1/2" to 5"
Material: High Strength Steel
Type: Hexagon Head
Connection: Common Bolt
Head Style: Hexagonal
Standard: GB
Grade: 10.9
Finish: Black

Product Description

High Strength Heavy Hex Bolt T.C Bolt (Tension Control Bolt) for Steel Structure

1> Description: 
High Strength Heavy Hex Bolt T.C Bolt (Tension Control Bolt) for Steel Structure
2> Material: Alloy Steel, Steel......
3> Surface: Zinc Plated, HDG.......
4> Size: M12 (1/2") to M125 (5")
5> Length: Up to 800mm (30 Inch)
6> Head style: Hex Head, Dome Head......
7> 
Packing: Bulk packing, box packing & to customer's requested.


To make the above mentioned bolts, is not a easy thing. we need to buy raw material and test them, if we do not have the right one in stock.

After material testing, they will be launched to manufacutre line according to arrangment. Check the Video, you will know more about, how did material become bolts.

While bolts are out from manufacutre line, other tests are just begining, including appearance, geometrical diamensions (size), machanical property...surface (plating) will be tested seriously and systematically.

Passing all the tests, they will be carried to warehouse, and packed. Later, packing list will be sent for booking.

We have been in fasthener/hardware making for over 45 years. It is not a easy thing.

In the pass 45 years, we never stop learning and innovating. That is why we survive, and becoming stronger.


We main produce and export the Construction Bolt per IFI, DIN, ISO standard...And some special ones per the drawing of the client.

We are looking forward to hear from you if you are interesting in our products.
 Decription High Strength Heavy Hex Bolt T.C Bolt (Tension Control Bolt) for Steel Structure
 Material Alloy Steel / steel
 Surface H.D.G, Zinc plated in chromium and RoHS
 Size M12(1/2") to M64(2-1/2")
 Length 30 to 600 mm
 Properties Class 8.8, 10.9; Gade 2, 5, 8, A325, A449, A490
 Standard DIN, ASME/ANSI/ASTM, GB, Drawing
 Packing Bulk packing, small box packing
 Sample Free
 Payment L/C, T/T
 MOQ 2 tons
 Note Contact, then you will get more. 

Q&A

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. http://www.lockey-dg.com/eng_001.htm 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 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. 
 
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.   
 
Payment term?

T/T & L/C are the prefer payment term. Also Western-Union is acceptable for low value payment, like samples' Express fee. 
Founded in 1973, Dragon Iron Enterprise devotes itself to the manufacture and sales of special fasteners, hardware parts, forging and machine parts for auto and other industries.

Dragon Iron Enterprise has its headquarters in A Lien, Taiwan. The Lockey Indusrtail Co., Ltd. Was set up in 2003 in Dongguan, Guangdong, with the sales department and liaison office in Jingjiang, Zhejiang Province which for the production bases of the group.

The products include bolt, nut, screw in material steel and stainless steel, but main produce the drywall screw, self- drilling screw, self- tapping screw. The products 70% export to all over the worldwide. If you are interesting in our products then please feel free send us your inquiry or call us, we will be offer our best price and service to return your support.

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  • Lockey Industrial (Dongguan) Co., Ltd.

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