Black Oxide High Strength FT Hex Head Bolt Fastener Grade 8.8,10.9,12.9

Product Details

Product Description

Product Description
Item Name:Material:Standard:Head Type:Thread:Accessories:Color:Finish:Size:

Black Oxide Hex Head Bolt	Carbon Steel 8.8，10.9, 12.9
DIN933,ASME B18.2.1, ISO 4017,	Hexgon Head
UNC,BSW,UNF	Nut & Washer
Black	Black Oxide
M6-M64

Black Oxide High Strength FT Hex Head Bolt Fastener Grade 8.8,10.9,12.9
Blackening treatment of high-strength bolts is a common method of chemical surface treatment. The principle is to form an oxide film on the surface of the metal to isolate the air and achieve the purpose of rust prevention. When the appearance requirements are not high, blackening can be used. The surface of steel parts is blackened, and some are also called blue.
Specification:
1. Item name:Black oxide hex head bolt
2. Standard: DIN933, ASME B18.2.1, ISO 4017
3. Grade:,8.8,10.9
4. Head type: Hexgon Head
5. Size: M6-M72; 1/4"-3"
6. Material: Carbon Steel
7. Finish: Dacromet
8. Delivery time: 10-30 days based on the order quantity
9. Package: cartons or plywood cases or pallet
10. A wide range of applications - Vehicle Wheel, Electric Power, Wind Power
11. Shipment: By sea or By air
12. Loading port: Shanghai/Tianjin/Shenzhen/Xi'an

Product Name	Hex. Head bolt
Size Range	M6 up to M64
Standard	ANSI/ASME, JIS, EN, DIN, BS,GB, SH, HG, IFI, ISO etc.
Size	Standard & non-standard, customized
Material	Carbon Steel
Grade	Gr. 8.8, 10.9, 12.9
Thread	UNC,UNF,BSW
Finish	Black oxide
Packing	Bulk in cartons on wood pallet or according to customer special demand.
Application	Structural Steel; Metal Building; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Railway; Automobile.
Supply Ability	About 30 tons per month

FAQ:

Q1: What is your main products?

A1: Our main products are fasteners: bolts, screws, nuts, washers, anchors and rivets.

Q2: How to ensure that every process's quality?

A2: Every process will be checked by our quality inspection department which insures every product's quality. In the production of products, we will personally go to the factory to check the quality of products.

Q3: Do you offer free samples for checking the quality?

A3: Yes, the universal size are available for samples, but freight has to be paid by buyers.

Q4:Can you customize the products according to samples or drawing design?

A4:Yes. we have professional engineers to support the customized products for our customers. We can produce by your samples or technical drawings and build the molds and fixtures.

Q5: What is your payment method?

A5: 30% value of T/T in advance and other 70% balance before delivery.

For small order less than 3000USD, would suggest you pay 100% in advance to reduce the bank charges.

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