
We provide various nuts, washers, screws and bolts. We also can produce samples according to your requirements or draw drawings according to customer requirements.
The pictures on the left show various of stainless steel Hexagon NUTS.Stainless steel materials are SUS201,SUS302, SUS304 and SUS316. The bolt strength grades are A2-50 and A2-70, and the nut strength grades are A4-70.Of course, we can also process carbon steel or other non-ferrous metal products for you, such as copper, aluminum,brass or tin bronze.
We have a good reputation in the fasteners field with our long business customers because we always adhere to the principle of leading technology, quality first, customer first, then grow together with our partners around the world.
Welcome contact us anytime!
If you need customized,We need more detail as follow with many thanks, this will allow us to give you an accurate quotation.
• Product:
• Material:
• Class grade:
• Order Quantity:
• Surface treatment:
• When do you need it by:
• Where to Shipping (Country with postal code please) :
• Measure: Inside Diameter/Outside Diameter/Thickness/Length:
• Email your drawing ( jpg, png or pdf, word) with minimum 300 dpi resolution for good clarity.
JIS B 1181 Stainless steel Hexagon Nuts
Standard: | JIS B 1181 |
Diameter: | M1.6~M64 |
Material: | Carbon steel;Stainless Steel:SUS 304/SUS 316;Brass;Bronze;Aluminum alloy; Alloy Steel |
Thread: | M,UNC,UNF |
Finish: | Plain,Black Oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel,Chrome,PTFE,Dacromet,Zinc Nickel,Zinteck. |
Packing: | Bulk In Cartons (25kg Max.)+Wood Pallet Or According To Customer Special Demand |
Supply Ability: | 1000 Tons Per Month |
Minimum Order: | According To Customer Demand |
Trade Term: | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
Payment: | T/T, L/C, D/A , D/P ,West Union,Paypal.Etc |
Market: | Europe/South&North Amrica/East&South East Asia/Middle East/Australia And Ect. |
Application: | Structural Steel; Metal Buliding; Oil&Gas;Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating |
Professional: | More than 30 years experience in fasteners industry; Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard. |
Our advantage: | One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free for the stocks |
Notice: | Please lets know the Size, quantity, Material or Grade, surface; If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us |




Thread Size D | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | |
P | Pitch | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 |
c | max | 0.2 | 0.2 | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 |
min | 0.1 | 0.1 | 0.1 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.2 | 0.2 | 0.2 | |
da | max | 1.84 | 2.3 | 2.9 | 3.45 | 4 | 4.6 | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 15.1 | 17.3 | 19.5 | 21.6 |
min | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | |
dw | min | 2.4 | 3.1 | 4.1 | 4.6 | 5 | 5.9 | 6.9 | 8.9 | 11.6 | 14.6 | 16.6 | 19.6 | 22.5 | 24.9 | 27.7 |
e | min | 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 | 14.38 | 17.77 | 20.03 | 23.36 | 26.75 | 29.56 | 32.95 |
m | max | 1.3 | 1.6 | 2 | 2.4 | 2.8 | 3.2 | 4.7 | 5.2 | 6.8 | 8.4 | 10.8 | 12.8 | 14.8 | 15.8 | 18 |
min | 1.05 | 1.35 | 1.75 | 2.15 | 2.55 | 2.9 | 4.4 | 4.9 | 6.44 | 8.04 | 10.37 | 12.1 | 14.1 | 15.1 | 16.9 | |
mw | min | 0.8 | 1.1 | 1.4 | 1.7 | 2 | 2.3 | 3.5 | 3.9 | 5.2 | 6.4 | 8.3 | 9.7 | 11.3 | 12.1 | 13.5 |
s | max=nominal size | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 |
min | 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.16 | 29.16 | |
Thread Size D | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | (M45) | M48 | (M52) | M56 | (M60) | M64 | ||
P | Pitch | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 | 5 | 5.5 | 5.5 | 6 | |
c | max | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
min | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | ||
da | max | 23.7 | 25.9 | 29.1 | 32.4 | 35.6 | 38.9 | 42.1 | 45.4 | 48.6 | 51.8 | 56.2 | 60.5 | 64.8 | 69.1 | |
min | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | 45 | 48 | 52 | 56 | 60 | 64 | ||
dw | min | 31.4 | 33.3 | 38 | 42.8 | 46.6 | 51.1 | 55.9 | 60 | 64.7 | 69.5 | 74.2 | 78.7 | 83.4 | 88.2 | |
e | min | 37.29 | 39.55 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | 71.3 | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 | |
m | max | 19.4 | 21.5 | 23.8 | 25.6 | 28.7 | 31 | 33.4 | 34 | 36 | 38 | 42 | 45 | 48 | 51 | |
min | 18.1 | 20.2 | 22.5 | 24.3 | 27.4 | 29.4 | 31.8 | 32.4 | 34.4 | 36.4 | 40.4 | 43.4 | 46.4 | 49.1 | ||
mw | min | 14.5 | 16.2 | 18 | 19.4 | 21.9 | 23.5 | 25.4 | 25.9 | 27.5 | 29.1 | 32.3 | 34.7 | 37.1 | 39.3 | |
s | max=nominal size | 34 | 36 | 41 | 46 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | |
min | 33 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | 63.1 | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 |
or other sizes you need,We aceept the OEM ODM.
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We have a full set of professional testing equipment to ensure the symbol requirements of our exported products.
At the same time, we can arrange for third parties, such as SGS, TUV and other testing institutions to issue test reports according to customer requirements, because we have enough confidence to guarantee the quality of our products.
Shanghai Gentle Fasteners Co. Ltd. is an officially registered enterprise specializing in the distribution of fasteners and hardware with experience of more than 60 years. The Company is situated by the Outer Ring Road near Xupu Bridge with convenient transportation. The main business is to provide products for export companies, to support large and medium-sized domestic enterprises with a variety of metal parts, and to handle export business by ourselves.
The products we are dealing with are mainly of five categories: bolts, nuts, screws, washers and rivets, the mechanical properties of which are from class 4.8 up to class 12.9. The material used can be carbon steel, alloy steel, stainless steel, brass, aluminum, etc. The manufacturing standards are in accordance with GB, ISO, DIN, ANSI, BS, JIS, etc. or to customers' special requirements.
We pay high attention to market and customer requirements. With sound technical background we have established long-term business cooperation with many enterprises, domestic and abroad, providing quality parts of standard specifications and per customer samples or drawings. We also provide services like retailing, re-packing, booking for shipment, etc. Your inquiries are cordially welcomed.
We are grateful to all our customers, old and new, for your supports as always. We will continue our effort in providing quality products and A-class service to you. Let's develop together.
Our culture: Technology first, quality first, customer first.
Our service scheme: To provide quality products and services to customers; regarding customers' satisfaction as our working criterion.
Our goal: To provide products and services to customer' satisfaction, to play an active role in settling down customers concerns.
2.What material of the product can you supply?
3.What's your packing?
We also can pack products according to your requirement.
4.Can you provide customization service?
5.Can you provide free samples?
A:Yes, If it is the standard fastener and on stock, we can provide free samples and freight collect. But please kindly understand that we charge some sample fees and mould fee for customized samples before making bulk order. We have spent labor and material cost on making the sample, so you need to pay some sample fee, but it will be refunded after bulk order.
A:Not all customized parts cost mould fee. For example, a turning part does not need a mould yet requires the appropriate tools and fixtures.
A:For the first development of non-standard parts, we refund the mould fee in case of 2 times of nonconforming samples delivered.
8.Where are your factories, can I have a visit?
A:We have invested in a number of factories, mainly located in Jiangsu and Zhejiang. Welcome to visit our factory, we can pick you up at the nearby airport or railway station.
10.What is your MOQ and mould fee for processing?Is the mould fee refunded?
B. MOQ for common standard fasteners: 1 box of our regular carton packaging qua
C. MOQ for turning parts is 100 pieces, charging no mould fee. But if you need samples confirming, charging the sample fee, and refund it after make the order.
11.What is your delivery time?
12.Do you accept the use of our logo?
A:If you have a large quantity, we absolutely accept OEM OR ODM.
A: 30% T/T before shipment as deposit, 70% balance amount before shipment.