Hex Bolt Hex Nut Hex Screw Machine Bolt Machine Screw Fastener Stainless Steel Fastener
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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 PropertyÂ
class5.6
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 toleranceProduct
gradeA 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:
BlackenedBright
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 PropertyÂ
class≤M39
A2-70
Subject toÂ
agreementA4-70
>M39
Subject toÂ
agreement
Standard
ISO 267 Part 4
DIN267 Part 11
DIN267 Part 18
Limit deviations
geometrical toleranceProduct
gradeA 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 processedÂ
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 propertiesÂ
and MaterialAs specified in DIN 267 part 12
Limit deviationsÂ
geometrical toleranceProduct grade A as specified in ISO 4759 part 1
ISO 4759 Part 1
Surface finish
As processedÂ
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
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.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. http://www.lockey-dg.com/eng_001.htm will show more.
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What do Lockey produce?
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.
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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. 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
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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.
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Do Lockey produce non-standard item?
Yes, we do. Send your specification drawings to our sales representative, then you will get a quotation.
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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.
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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.
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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
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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
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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