Hex Bolt Hex Nut Hex Screw Machine Bolt Machine Screw Fastener Stainless Steel Fastener
1>. Description: Hex Bolt Hex Nut Hex Screw Machine Bolt Machine Screw Fastener Stainless Steel Fastener
2>. Material: Stainless steel, alloy steel, steel, brass
3>. Surface: Zinc plated in chromium and ROHS
4>. Size: M12(1/2) upto M56(2") Length upto 1000mm
5>. Packing: Bulk packing, small box packing
We Lockey Indsustrial Co., Ltd. Produce the fastener include:
Low carbon steel fastener: Bolt, Nut, special fastener per the drawing of client.
Medium steel fastener: Bolt, nut, special fastener per the request of client.
Alloy steel fastener: Bolt, nut, special fastener per the drawing of client.
Stainless steel fastener: Bolt, nut and special fastener per the request of client.
We are looking forward to hear from you if you are interesting in our products(Fastener: Hex Bolt Hex Nut Screw).
| Technical Delivery Conditions (DIN BOLT ONLY) |
| Material | Steel | Stainless steel | Non-ferrous metal |
| General requirements | As specified in DIN 267 part 1 |
| Thread | Tolerance | 6g |
| Standard | DIN13 Part 12 & 15 |
Mechanical
properties | Property
class | 5.6
8.8
10.9 | ≤M20 | A2-70 | Subject to agreement |
| A4-70 |
| >M20 | A2-50 |
| A4-50 |
| C3,C4 |
| Standard | ISO 898 Part 1 | DIN267 Part 11 | DIN267 Part 18 |
Limit deviations
geometrical tolerance | Product
grade | A for product up to size M24 and L≤10d or 150mm
B for product exceeding size M24 or L>10d or 150mm |
|
| Standard | ISO 4759 Part 1 |
| Surface finish | As processed Property
class 8.8 and above:
Blackened | Bright | Bright |
|
|
|
|
| DIN267 Part 2 shall apply with regard to surface roughness |
| DIN267 Part 19 shall apply with regard to permissible surface discontinuities |
| DIN267 Part 9 shall apply with regard to electropiating |
| DIN267 Part 10 shall apply with regard to hot dip galvanizing |
| Acceptance inspection | DIN267 Part 5 shall apply with regard to acceptance inspection |
| Technical Delivery Conditions (DIN NUT ONLY) |
| Material | Steel | Stainless steel | Non-ferrous metal |
| General requirements | As specified in DIN 267 part 1 |
| Thread | Tolerance | 6H |
| Standard | DIN13 Part 12 & 15 |
Mechanical
properties | Property
class | M3-M39:6, 8, 10 | ≤M39 | A2-70 | Subject to
agreement |
| A4-70 |
| >M39 | Subject to
agreement |
|
| Standard | ISO 267 Part 4 | DIN267 Part 11 | DIN267 Part 18 |
Limit deviations
geometrical tolerance | Product
grade | A for product up to size M24 and L≤10d or 150mm
B for product exceeding size M24 or L>10d or 150mm |
|
| Standard | ISO 4759 Part 1 |
| Surface finish | As processed | Bright | Bright |
| DIN267 Part 2 shall apply with regard to surface roughness |
| DIN267 Part 20 shall apply with regard to permissible surface discontinuities |
| DIN267 Part 21 shall apply with regard to the widening test |
| DIN267 Part 9 shall apply with regard to electropiating |
| DIN267 Part 10 shall apply with regard to hot dip galvanizing |
| Acceptance inspection | DIN267 Part 5 shall apply with regard to acceptance inspection |
| Technical Delivery Conditions (DIN TAPPING SCREW ONLY) |
| Material | Steel | Stainless steel |
| General requirements | As specified in DIN 267 part 1 |
| Screw thread and thread ends | As specified in DIN 7970 |
|
| Cross recesses | As specified in DIN 7962 |
Mechanical properties
and Material | As specified in DIN 267 part 12 |
|
Limit deviations
geometrical tolerance | Product grade A as specified in ISO 4759 part 1 |
|
| ISO 4759 Part 1 |
| Surface finish | As processed | Bright |
| DIN267 Part 2 shall apply with regard to surface roughness |
| DIN267 Part 19 shall apply with regard to permissible surface discontinuities |
| DIN267 Part 9 shall apply with regard to electropiating |
| Other type of surface protaction being suject to agreement |
| Acceptance inspection | DIN267 Part 5 shall apply with regard to acceptance inspection |
Q&AWho 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.
