- Model NO.: HD-BB021-2
- Type: Hexagon Head
- Head Style: Hexagonal
- Grade: A2; A4
- Finish: Passivation
- Hex Size: DIN6921
- Color: Nickel
- Thread Length: 25mm
- Screw Type: Hexagon Head, Round Head, Countersunk Head
- Screw Head Style: Round, Hexagonal, Counter Sunk Bolt, Square
- Transport Package: 25*16*25cm Carton Box, Then Polywood Box Packed
- Origin: Jiangsu
- Material: Stainless Steel
- Connection: Common Bolt
- Standard: DIN, ANSI, GB, JIS, Per Customer's Desire
- Application: Machinery
- Size: M6~M30
- Flange Diameter: DIN6921
- Thread Size: M12-1.75
- Export Markets: Global
- Screw Groove: Triangle, Cross, Flower, Flower Word, Special Shaft
- Trademark: Hande
- Specification: SGS; ROHS
- HS Code: 73181600
SS304 Hex Flange Fastener Bolt
Stainless Steel Hex Flange Bolts | |
Standard | DIN6921, IFI I111C-28 |
Material | SS304, SS316 |
Diameter | M2.5~M30, 1/8"~1" |
Head Shapes | Hex Flange Head |
Driver Types | Hex Wrench |
Screw Thread | Coarse Thread |
Screw Tip | Flat Point |
Finish | Plain, Black Zinc, Electrophoretic, etc. |
Features | Good Anti-Corrosion Ability |
Grade | A2, A4 |
Certification | ISO9001:2008, SGS, RoHS, Bureau Veritas |
OEM Service Is Also Available |
Chemical Components:
Material | C | Si | Mn | P | S | Ni | Cr | Mo | Other |
201 | 0.15 | 1 | 5.5-7.5 | 0.06 | 0.03 | 3.5-5.5 | 16-18 |  | N≤0.25 |
304 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-10.0 | 18-20 | Â | Â |
304L | 0.03 | 1 | 2 | 0.045 | 0.03 | 8.0-12.0 | 18-20 | Â | Â |
321 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-13.0 | 17-19 |  | Ti≤5*C% |
316 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.0-14.0 | 16-18 | 2-3 | Â |
316L | 0.03 | 1 | 2 | 0.045 | 0.03 | 10.0-15.0 | 16-18 | 2-3 | Â |
309S | 0.08 | 1 | 2 | 0.045 | 0.03 | 12.0-15.0 | 22-24 | Â | Â |
410 | 0.15 | Â | 1 | Â | 0.03 | - | 11.5-13.5 | Â | Â |
420 | 0.26-0.4 | Â | 1 | Â | 0.03 | - | 12-14 | Â | Â |
430 | 0.12 | 0.75 | 1 | 0.04 | 0.03 | - | 16-18 | Â | Â |

About Our Products :
Main Products | Bolts, Screws, Nuts, Washers, Pins, Rivets, Sleeves, Shafts, CNC Precision Parts |
Size Range | Diameter: M2---M64 | Length: 5mm---400mm (Customized is acceptable) Diameter: 6#---2inch, Length: 1/2inch---30inch (Customized is acceptable) |
Standard | ANSI, UNI, DIN, BS, JIS, AS, GB, ISO, EN |
Material | Normal Stainless Steel; Super Alloy Stainless Steel |
Grade | A2-50; A2-60; A2-70; A4-60; A4-70; A4-80; Gr 8, Gr8M SS201, SS202, SS301, SS303, SS304, SS304L, SS316, SS316L, SS317L, SS321; SS410, SS420, SS347; SS347H; SS310S\2520, and super alloy: 1.4529, 1.4539, 1.4980 (Alloy 286), 2.4602, 2.4605, 2.4610, 2.4952 (Nimonic 80A), 2.4819, Incoloy (825\800\800H), Inconel (600\601\625\718), Monel 400, etc. |
Surface | Self finish plain, minor polish, satin polish, black oxide, electro painting, |
Others | Non-standard/standard/OEM/ODM/Customized service are provided. |
We Promise:
1. High quality;
2. Competitive price;
3. The shortest delivery;
4. The fastest response;
5. Best service.

The Advantage:
1. Many products: Any type of stainless steel hardware can be supplied.
2. Good Service: We treat clients in great honest and sincere management is our top mission.
3. Good Quality: We have strict quality control system. Good reputation in the market.
4. OEM Accepted: We can produce as per your drawings or samples.
5. Shortest Delivery: We have large stock, 3 days for stock items, 7-15 days for production.
6. Low MOQ: It can meet your business very well.
Sample Charge:
1. Samples charge: According to your request. Sampling time: 5-7 days
2. Samples charge: Free for Existing Mold. Sampling time: 3 days
Packing Information:
1. Carton Size: 25*16*25CM;
2. Wooden Pallet/Case Size: 110*90*80CM;
3. Color Printed Box & Cartons can be made per customers' desire.


Company Information:
Hand Industrial Ltd was established in 2010, and is one professional manufacturer and supplier of stainless steel hardware. Our products include stainless steel bolts and thread studs, stainless steel machine screws, tapping screws, self-drilling screws in different materials from SS 304, SS 316, SS 316L, SS 410, etc. We often make DIN, ANSI, BS, ISO, JIS standard, and OEM service is available. Our products are very popular in European, Australia, North America, Mid-east, and South East Asia and some African countries.

We can supply different sizes of SS hex cap bolts, hex socket cap screws, hex flange bolts, tapping screws, drilling screws.
We can also supply different sizes of SS hex dome head cap nuts, hex nuts, flange nuts, hex cap nuts, hex welding nuts.
The Gas Protection Welding Wire is a type of copper-plated low alloy steel gas shielded Welding wire, using carbon dioxide or argon-rich as the shielding gas for welding. It has excellent welding process performance, stable arc combustion, less spatter, beautiful weld forming, small sensitivity of weld metal porosity, good welding technology in all position, and can be suitable for a wide range of welding current.
Quick details:
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4. Application : Co2 shielded welding, welding of mild steel material,
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