China Factory DIN7991 Internal Hex Flat Countersunk Head Stainless Steel Machine Bolts Screws

• Customization: Available
• Material: Stainless Steel
• Type: Countersunk Head
• Model NO.: QLD-05179
• Groove: Hexagon
• Connection: Common Bolt
• Head Style: Counter Sunk Bolt
• Standard: DIN, GB, ISO
• Grade: A2 or A4
• Thread Specification: M1.6--M30
• Normal Length: 4-200mm
• Raw Material: Stainless Steel 304 & 316
• Head Type: Counter Sunk
• Slot Type: Internal Hex
• Certification: ISO9001, IATF16949
• Transport Package: Bag, Carton Box, Pallet
• Origin: China
• HS Code: 7318150000
• Production Capacity: 900000PCS Per Day

Product Description

Brand	QLD
Head type	Flat, Countersink
Slot type	Internal Hex
Thread specificaiton	M1.6--M30
Tolernace	6G
Nominal length	4-200mm
Surface treatment	clean out
Raw material	Stainless steel 304 & 316
Material grade	A4-70, A2-70
Product grade	Grade A
Standard type	DIN
Standard number	DIN7991
Processing customized	Yes

Company Profile

Packaging & Shipping

1) PE bag package ,including 500 pcs or as your requested
2) Carton box package
3) Pallet package
4) Customized package

Why Choose QLD

1.Top-quality raw material (stainless steel 304,316)
2. OEM/ODM are welcomed. We accept all kinds of non-standard stainless steel screws/fasteners. Pls send the prototype and drawing, and we can make it accordingly.
3. Wide production range. the diameter varies from M1.6-M30mm and the length from 4mm-200mm
4. Excellent quality. We concentrate on inspecting the products one by one and ensure its durable performance.
5. Mix orders are acceptable. We will try our best to meet customer's flexible demands which they will propose.
6. Full-range of products: Pan head ,flat head ,hex ,countersunk ,security ,expansion cross recessed ,assemblies stainless steel screws and so on
7. Good service. We can provide one by one ,on-line and off-line, professional service.
8. Rapid delivery. We have our own factory  so that we can delivery your order if having stocks after your payment. We have more than 1000 square meters warehouse and large stocks of standard stainless steel screws , and the non- standard products need only 3-5 working days for delivery.

 

QLD Services

1.OEM/ODM is welcomed.
2.Making the samples until you are satisfied with them.
3.Sharing the production schedule to let you know every process.
4.Providing professional service one on one and promising to reply your E-mail with in 2 hours.
5.Checking the goods one by one before shipment and inspection reports will be provided.

FAQ

1) Are you a trade company or factory?
Re: We are a factory.
2) What is your delivery time?
Re: For samples order we can delivery goods in1-3 working days, and bulk order will take 3-7 working days after your payment.
3) How to do ODM order?
Re: Please send us the picture of object, technical drawings as well as prototype if you have. Then our engineers will estimate it and our sales team let you know the details ASAP.
4)How about your quality control system?
Re: We own a set of completed quality control system, and will check the products one by one before the shipment.
5)How many production equipment do you have in your plant? And what are they?
Re: We have 18 sets of cold headers and 16 sets of thread rolling machines, including two multi-functional cold headers, three assemblies thread rolling machines, and one driller.