DIN 5903-1 Fish Bolts - Part 1 with Round Head and Oval Neck DIN 5903-1 - 1997

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Product Description

 

Product Name: Fish Bolts - Part 1 with Round Head and Oval Neck DIN 5903-1 - 1997
Standard: DIN 5903-1 - 1997
Material: Carbon steel and stainless steel
Size: Reference standards and according to customer requirements
Finished: Zinc Plated,Hot Dip Galvanized Steel,Dacromet,Nickel Plated,Black Oxide,Plain
Delivery time: Normally in 30-40 days.
Thread Position External Thread Type: Metric [M]
Internal Driving: / External Driving: Round Head
Locking Type: Oval Neck Shank: Normal Shank
Point: Flat Point Mark: As required

 

 

 

Screw Thread
d
M10 M12 M16 M20 M22
P Pitch
b min=nominal size
max
F max
min
dk Nominal Size
max
min
k1 Nominal Size
max
min
k Nominal Size
max
min
s Nominal Size
max
min
1.5 1.75 2 2.5 2.5
19 21 27 29 34
22 24.5 31 34 39
14 18 22 30 33
13.3 17.3 21.16 29.16 32
19 24 30 38 42
19.65 24.65 30.65 38.8 42.8
18.35 23.35 29.35 37.2 41.2
5 7 8 10 12
5.375 7.45 8.45 10.45 12.55
4.625 6.55 7.55 9.55 11.45
6 8 10 12.5 14
6.6 8.75 10.75 13.4 14.9
5.4 7.25 9.25 11.6 13.1
10 12 16 20 22
10.58 12.7 16.7 20.84 22.84
9.42 11.3 15.3 19.16 21.16
 

 

 

About Rounded Head Screws

Comparing Materials by Strength and Corrosion Resistance

Use the chart below as a guide to understanding the relative strength and corrosion resistance of the screws and bolts we offer.

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Understanding Thread Size

Inch thread sizes are specified by diameter and threads per inch. For those with a diameter smaller than 1/4", diameter is indicated by a number (e.g., #1 or No. 1).

Metric thread sizes are specified by diameter and pitch.

 

  

Company Information

 

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Packaging & Shipping

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FAQ
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Q1.
Who are we?
A1:
We are based in Ningbo, China, starting in 2009, and sell to North America, Oceania, Domestic Market, Eastern Europe, Southeast
Asia, South America, Africa, and the Middle East. We have professional teams doing development, manufacturing, quality control and
service management.
Q2.
How can we guarantee quality?
A2:
Always take a pre-production sample before mass production. Always complete an inspection before shipment.
Q3.
What can you buy from us?
A3:
Fasteners: screws, bolts, nuts, washers, some CNC parts
Solar hardware: Solar Mounting Racks, Solar Mounting Accessories, Cable Clips, and ABS Solar Mounting Brackets.
Q4:
Why should you buy from us, not from other suppliers?
A4:
Sokun is a professional manufacturer specializing in research, development, manufacture, and servicing of solar mounting systems.Since founding in 2009, we have professionally designed products to handle all systems as well as to ship goods in a timelymanner.
Q5.
What is your payment method?
A5:
30% value of T/T in advance and other 70% balance on B/L copy. For small order less than 1000USD, would  suggest  you pay 100% in advance to reduce the bank charges.
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As a professional suppliers of high-quality Fasteners, Zhenkun can help your business get the best solution fasteners. Contact us for more information about our product lines and services and request a quote today.

 

 

Ningbo Zhenkun Machinery Co., Ltd., specializes in the development, production and sale of non-standard hardware, power transmission support fasteners and solar system installation brackets for the production of these new technologies.
We have the technical knowledge needed to perform in the fastener world but also be familiar with the needs of end users who dont necessarily know the fastener jargon or applications to know exactly what they need for their jobs.

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