1> Decription:Â Stainless Steel 316 Hex Socket Cap Screw DIN7991
2> Material: Stainless Steel 316
3> Surface: Passivate
4> Size:Â M6 to M24, 1/4" to 1"Â
5> Length: Up to 500mm
6> Mechanical Properties: A4-50/70
7> Packing: Bulk packing and box packing
We professionally produce bolts such as Socket Cap Screw, Hex head screw, carriage bolt, square head bolt etc. The product standard contains DIN, GB, ANSI, ISO, JIS. Imported equipments, materials and matrixes are used in the company. We also make high quality product which is not standard.
Please feel free to contact us if you are interesting our products. We are strongly believe will guarantee you the best quality and service for our more than 30 years professional experience.
Technical Delivery Conditions | |||||
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 |
8.8 | ≤M20 | A2-70 | CuZn |
A4-70 | Copper | ||||
>M20 | A2-50 | Zinc Alloy | |||
A4-50 | ...... | ||||
Other property classes or material subject to agreement | |||||
Standard | ISO 898 Part 1 | DIN267 Part 11 | DIN267 Part 18 | ||
Limit deviations geometrical tolerance |
Product grade |
A | |||
Standard | ISO 4759 Part 1 | ||||
Surface finish | 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 | |||||
If a different kind of eletroplating or a different kind of surfaceprotection is desired, this should be agreed upon at the time of ordering | |||||
Acceptance inspection | DIN267 Part 5 shall apply with regard to acceptance inspection |
Q&A
Who Lockey is?
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.Â
Dragon Group has its headquarter, Dragon Iron Enterprise, in A Lien, Taiwan.Â
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 .Â
Â
What Lockey does?
As a fastener manufacture, we mainly produce including, but not only:Â
1. Bolt, studs, and thread rods...Â
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... Â
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.
Â
Why Lockey?
Lockey never stops 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. Â Â
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.Â
Â
What 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.
Â
Do Lockey produce non-standard item?
Yes, we do. Send your specification drawings to our sales representative, then you will get a quotation.
Â
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.
Â
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.
Â
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.Â
Â
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. Â Â
Â
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. Stainless Steel 316 Hex Socket Cap Screw DIN7991
1> Decription:Â Stainless Steel 316 Hex Socket Cap Screw DIN7991
2> Material: Stainless Steel 316
3> Surface: Passivate
4> Size:Â M6 to M24, 1/4" to 1"Â
5> Length: Up to 500mm
6> Mechanical Properties: A4-50/70
7> Packing: Bulk packing and box packing
We professionally produce bolts such as Socket Cap Screw, Hex head screw, carriage bolt, square head bolt etc. The product standard contains DIN, GB, ANSI, ISO, JIS. Imported equipments, materials and matrixes are used in the company. We also make high quality product which is not standard.
Please feel free to contact us if you are interesting our products. We are strongly believe will guarantee you the best quality and service for our more than 30 years professional experience.
Technical Delivery Conditions | |||||
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 |
8.8 | ≤M20 | A2-70 | CuZn |
A4-70 | Copper | ||||
>M20 | A2-50 | Zinc Alloy | |||
A4-50 | ...... | ||||
Other property classes or material subject to agreement | |||||
Standard | ISO 898 Part 1 | DIN267 Part 11 | DIN267 Part 18 | ||
Limit deviations geometrical tolerance |
Product grade |
A | |||
Standard | ISO 4759 Part 1 | ||||
Surface finish | 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 | |||||
If a different kind of eletroplating or a different kind of surfaceprotection is desired, this should be agreed upon at the time of ordering | |||||
Acceptance inspection | DIN267 Part 5 shall apply with regard to acceptance inspection |
Q&A
Who Lockey is?
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.Â
Dragon Group has its headquarter, Dragon Iron Enterprise, in A Lien, Taiwan.Â
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 .Â
Â
What Lockey does?
As a fastener manufacture, we mainly produce including, but not only:Â
1. Bolt, studs, and thread rods...Â
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... Â
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.
Â
Why Lockey?
Lockey never stops 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. Â Â
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.Â
Â
What 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.
Â
Do Lockey produce non-standard item?
Yes, we do. Send your specification drawings to our sales representative, then you will get a quotation.
Â
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.
Â
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.
Â
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.Â
Â
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. Â Â
Â
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.Â
Wafer Soft-sealed Butterfly Valve
Summary:
The valve has compacted structure, small flow-resistance with the flow pattern tend to be straight so that no sundries is kept inside. What`s more, it is light and convenient to install. The valve can be applied to cut off or regulate the flow of media. The valve can be actuated by operating lever, handle wheel, electric actuator or pneumatic actuator.
Unique Design:
The disc and the stem are connected without the structure of pin bolts, which guarantees no inner leakage.
Sealed surface of the disc is spherically shaped, which promotes the sealing capacity and increases the durability, which is to say even if opened and closed with pressure more than 50000 times, it remains no leakage.
Upon requests, the disc can be coated with Nylon or F46, Excellent anti-corrosion.
The valve body is coated with epoxy resin without any exposure of iron.
Reliable Sanitation:
The epoxy resin and rubber used comply with sanitary standard DVGW
Appling Area:
The valve can be used in water supply and drainage, disposing of polluted water, heat supply, gas, ship industry, metallurgical industry, energy system and textile and so on, especially applicable to those occasions that bi-directional sealing and valve body are easily eroded.
Lug Butterfly Valve,D.I. Lug Butterfly Valve,Ductile Iron Lug Butterfly Valve,Cast Iron Lug Butterfly Valve
SUZHOU YUEDA VALVE CO., LTD. , https://www.jsyuedavalve.com