Hex Washer Head Bi-Metal Self Drilling Screw

Model NO.: LKMY
Market: Global
Optional Material: Stainless Steel, Carbon Steel, Alloy Steel, Brass
Optional Properties: A2/4-50/70/80, Class 6/8/10, Grade 2/5/8
Optional Finish: Passivated, Zinc, HDG, Magni, Geomet...
Optional Size: Dia 3.5 (#6) to 9.5 (#24)
Trademark: LK
Transport Package: Bulk Packing, Small Box Packing
Specification: DIN, ANSI, ISO, ASME
Origin: China
HS Code: 7318
Model NO.: LKMY
Market: Global
Optional Material: Stainless Steel, Carbon Steel, Alloy Steel, Brass
Optional Properties: A2/4-50/70/80, Class 6/8/10, Grade 2/5/8
Optional Finish: Passivated, Zinc, HDG, Magni, Geomet...
Optional Size: Dia 3.5 (#6) to 9.5 (#24)
Trademark: LK
Transport Package: Bulk Packing, Small Box Packing
Specification: DIN, ANSI, ISO, ASME
Origin: China
HS Code: 7318
Hex Washer Head Bi-Metal Self Drilling Screw 
1> Description: Hex Head Self Drilling Screw Tek Screw
2> Material: Stainless Steel, Alloy Steel, Steel, Brass
3> Surface: Zinc Plated, Painted.......Passicvated
4> Size: 3.5mm (#6) up to 9.5mm (#24) 
5> Length: Up to 150mm (6 Inch)
6> Head style: Pan Head, Flat Head, Hex Head, Oval Head, Truss Head......
7> Drive size: Phillips, Slotted, Pozi, Six-lobe, Square......
8> Packing: Bulk packing, box packing & to customer's requested.

Hex Washer Head Bi-Metal Self Drilling Screw
To make the above mentioned screws, is not a easy thing. we need to buy raw material and test them, if we do not have the right one in stock.
Hex Washer Head Bi-Metal Self Drilling Screw
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 screws.
Hex Washer Head Bi-Metal Self Drilling Screw
While screws 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.
Hex Washer Head Bi-Metal Self Drilling Screw

Passing all the tests, they will be carried to warehouse, and packed. Later, packing list will be sent for booking.
Hex Washer Head Bi-Metal Self Drilling Screw
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 are the lead supplier of Bi-Metal self Drilling screw in China. We make the Bi-Metal Self drilling Screw for 300 series Austenitic Stainless steel and Alloy steel partial heat treatment, guaranteed drilling performance. We can produce the Bi-metal Self drilling screw point from #2 to #5 per the request of the request of the customer.
 
Technical Delivery Conditions
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&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 does 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.
 
Does 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.
 
Does 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.  Hex Washer Head Bi-Metal Self Drilling Screw 
1> Description: Hex Head Self Drilling Screw Tek Screw
2> Material: Stainless Steel, Alloy Steel, Steel, Brass
3> Surface: Zinc Plated, Painted.......Passicvated
4> Size: 3.5mm (#6) up to 9.5mm (#24) 
5> Length: Up to 150mm (6 Inch)
6> Head style: Pan Head, Flat Head, Hex Head, Oval Head, Truss Head......
7> Drive size: Phillips, Slotted, Pozi, Six-lobe, Square......
8> Packing: Bulk packing, box packing & to customer's requested.

Hex Washer Head Bi-Metal Self Drilling Screw
To make the above mentioned screws, is not a easy thing. we need to buy raw material and test them, if we do not have the right one in stock.
Hex Washer Head Bi-Metal Self Drilling Screw
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 screws.
Hex Washer Head Bi-Metal Self Drilling Screw
While screws 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.
Hex Washer Head Bi-Metal Self Drilling Screw

Passing all the tests, they will be carried to warehouse, and packed. Later, packing list will be sent for booking.
Hex Washer Head Bi-Metal Self Drilling Screw
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 are the lead supplier of Bi-Metal self Drilling screw in China. We make the Bi-Metal Self drilling Screw for 300 series Austenitic Stainless steel and Alloy steel partial heat treatment, guaranteed drilling performance. We can produce the Bi-metal Self drilling screw point from #2 to #5 per the request of the request of the customer.
 
Technical Delivery Conditions
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&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 does 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.
 
Does 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.
 
Does 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. 

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