high strenght bolts, fastener specifications astm a193, a320, a307, a325, a593

Quick Details
Place of Origin: Jiangsu, China (Mainland)
Brand Name:HDF
Model Number: BS1768
Standard: BS
astm a307 hex bolt: 724l hex bolt m54
gr8.8 hex bolts: high strength bolt
A593 bolt: a320 l7 hex bolt
A325 bolt: hvy hex nut gr.10.9

Material :
Monel, Incone, Hastelloy, 1.4529, AL6XN, 254SMO,Duplex and Super duplex
304 304L 347 316 316L 1.4404 321 1.4541
316Ti 1.4571 S31635 317L 1.4438
254SMO 1.4547 UNS S31254 F44 654SMO 1.4652 S32654
AL6XN UNS N08367 310S 1.4841 309S 2205 S31803 F51 A182 1.4462
duplex 2507 S327501.4410 F53 S32760
Monel400 UNS N044002.4360 Alloy400 Monelk500 AlloyK500 UNS N05500 2.4375
Alloy59 UNS N06059 2.4605
Inconel718 UNS N07718 2.4668 GH169 GH4169 724L 725LN 309S 1.4833 Hastelloy C276
UNS N10276 2.4819 NS333 2.4602
UNS N06022 Hastelloy B2 C22 Hastelloy C4 UNS N06455 2.4610
GH2132 A286 316Ti Inconel625 Alloy59
Inconel600 Inconel925 Inconel825 UNS N08825 Alloy825 2.4858
GH3030 Alloy20 SUS347 17-4PH Alloy800

Our Products:
Hex Bolts/ Hex Cap Screws/Socket Head Cap Screws
Hex Nuts/Cap Nuts/Circular Nuts/Nylon Nuts
Engineering Stud: Stud bolts, Double Stud, Thread Rod
Special fastener: U Bolts, Eye Bolts, Anchor, Flange Bolts, Flange Nuts
Washer: Flat Washers, Spring Washers, SQ Washers
We supply perfect fastening solution way. in foreign market, included UAE, Malaysia, Japan,UK, France,Italy, Australia, ,ect
Winrock always keep the core values that is for professional, quality, commitment, the target goal is win to win with customers

QA / QC Introduction :
All of our orders will be inspected by our QC team. We will check the quality during the production time .Also check the quality before shipping .
1.Before production, we will use spectrometer to test raw material to prevent mistakes
2.Every step QC department will record ,such as raw material cutting dimension, semi-finished product size, quantity , finished item detailed size
3.Before delivery ,detailed inspection report of finished products will present .
4. Beside size, we will check 10% to 20% of total quantity products whether have thread broken ,greasy, marking.packing ect.
5.Before delivery ,we will provide our mill test certificate together with inspection report.
6.Our mechanical property always shows tensile strength ,yield strength ,elongation,hardness, if you need more, just let us know in advance.

Workshop Show:
From raw materials to end product delivery, it has a strict control program. Accurate completion is done about wiring- roughing – annealing- pickling - drawing - heading - rolling - heat treatment -surface treatment -packaging and other aspects.

FAQ:
Q. Are you a factory or trading company?
We are a factory company.
Q. How to ensure the quality of your products?
ISO9000, client reqirements, product standards,strict inspection to control raw material,production process and final products
Q. How do you resolve the problem about your products?
Person of aging services: For customer complaints commissioner set up a special complaint handling,complaint issues recorded the first time and find the relevant person in charge of the feedback and resolve. Details check our "Quality corrective action report"
Q. What is the MOQ?
A. Sample order is acceptable, And some samples can be free.
Q. How long do you need the delivery time?
1)Supply within 10-15 days (product in our stock list)
2)Custom products need to be calculated according to the quantity
Q.What 's your payment terms?
T/T , L/C at sight , Western Union
Q.How can we get your price ?
We need below information to quote for you:
1. Product Name
2. Standard
3. Material Grade (Chemical Composition)
4. Dimension
5. Quantity
6. The Drawing for Special Parts