| Name: | DIN 3570 U bolt With Two Washers And Nuts |
| Brand Name: | C&N |
| Standard Mordel: | DIN,ANSI |
| Finish: | Black,Zinc Plated,PTFE blue etc. |
| Material: | Carbon steel,Stainless steel |
| Product Size: | All |
| Packing List: | as customer request |
| Delivary Time: | 15-45days |
We mainly supply ASTM A193 Gr. B8, B8M, B8T, B8T stud bolts and ASTM A194 Gr. 8, 8M, 8T, 8C heavy hex nuts.
Our products have been widely used in oil&gas engineering, petro-chemical engineering, power station, offshore engineering, nuclear engineering, heavy machinery, skyscraper etc.
Specification | Class | Material | Nominal Size
Range (in.) | Mechanical Properties | Yield Strength,
min, 0.2
% offset,
ksi | Tensile
Strength,
min, ksi | Elongation
in 4 D,
min % | Reduction
of Area,
min % | Hardness,
max | ASTM A193
Grade B8 | Class 1
Class 1A | AISI 304 | All diameter | 30 | 75 | 30 | 50 | 223HB
or
96HRBC | ASTM A193
Grade B8M | AISI 316 | ASTM A193
Grade B8T | AISI 321 | ASTM A193
Grade B8 | Class 2 | AISI 304 Strain Hardened | 3/4 and under | 100 | 125 | 12 | 35 | 321HB
or
35HRC | | 3/4 to 1 incl | 80 | 115 | 15 | | 1 to 1-1/4 incl | 65 | 105 | 20 | | 1-1/4 to 1-1/2 incl | 50 | 100 | 28 | 45 | ASTM A193
Grade B8M | | 3/4 and under | 95 | 110 | 15 | | 3/4 to 1 incl | 80 | 100 | 20 | | 1 to 1-1/4 incl | 65 | 95 | 25 | | 1-1/4 to 1-1/2 incl | 50 | 90 | 30 | ASTM A193
Grade B8T | AISI 321 Strain Hardened | 3/4 and under | 100 | 125 | 12 | 35 | | 3/4 to 1 incl | 80 | 115 | 15 | | 1 to 1-1/4 incl | 65 | 105 | 20 | | 1-1/4 to 1-1/2 incl | 50 | 100 | 28 | 45 | ASTM A193
Grade B8M | Class 2B | AISI 316 Strain Hardened | 2 and under | 75 | 95 | 25 | 40 | | 2 to 2-1/2 incl | 65 | 90 | 30 | | 2-1/2 to 3 incl | 55 | 80 | | Class 2C | 2 and under | 65 | 85 | 60 | | Over 2 | 60 | | | | Specification | Material | Class | Nominal Size (In.) | Proof Load Stress (ksi) | Hardness Rockwell | Nut Type | | Min | Max | | ASTM A194 Grade 8 | AISI 304 | Class 1 | All diameter | 80 | B60 | C32 | Heavy hex nut
Hex thin nut
Hex nut | | ASTM A194 Grade 8M | AISI 316 | Class 1
Class 2 | 110 | | ASTM A194 Grade 8T | AISI 321 | 110 |
| |
| |
1 Ton |
The total inverstment is 50 million, 10years experience on the screw for plastic, fastener manufacturing, the workshop area is 10,000m2, 100workers, 1professor, 8 senior engineer.
Factory is equipped with cold forging, hot forging, surface treatment, stamping plant.
Focus on high quality fasteners of Standard parts and Special parts.
We manufacture products in various styles: such as bolts, studs, nuts, screws, wood screws, tapping screws, pins, washers, rivets, rings and assemblies and stud welding.
With good quality, good price, good service, Zhejiang Goodnail sincerely ask customers from all over the world to come to our factory and we are sure you will find what you need.
Good quality, Good price, Good service.
Is the quality competitive in mechanical industry?
We have specialized in manufacturing and exportation screw for plastic for 10 years. We can provide various bolts. Each process will undergo strict inspection.
How can I believe your factory goods quality?
We have own QC team which serve for foreign trade business. We control quality for screw for plastic from raw material testing and proceeding of production of screw for plastic and before shipping. Also 10 days before the goods finished,you can choice yourself come or ask QC come.
Can you accept all the delivery terms and payment terms?
We usually do FOB/CFR/CIF delivery terms and T/T, L/C or PayPal. Commonly type of payment :30% deposit ,and others sight when see the bill of lading.
How about the delivery time?
For mould samples small order of screw for plastic Usually 5-7 days upon receiving deposit, it ships by air door to door.but air costs is a bit expensive. If the order is large, we will arrange shipment by sea, and the delivery time is within 30-40 days.