QBH DIN6921 M5-M20 Blue White Zinc Plated / Black / Plain Carbon / Stainless Steel Serrated Flange Self-Locking Bolt

Place of Origin China
Brand Name QBH
Certification ISO9001
Model Number QBH-DIN6921
Minimum Order Quantity 1 ton
Price 1350 usd/ton
Packaging Details 25kg Carton+900kg/Pallet or 5KG/CTN
Delivery Time 15DAYS
Payment Terms T/T, D/A, D/P, , L/C, Western Union, MoneyGram
Product Details
Materials Carbon Steel , Stainless Steel , Alloy , Brass , Etc. Item Size M5 To M20
Standard DIN6921 , DIN 6921 Keyword 1 Self-locking Bolt
Keyword 2 Self Locking Bolt Keyword 3 Locking Bolt
Keyword 4 Lock Bolt Keywaord 5 Flange Bolt
Keywaord 6 Serrated Flange Bolt
High Light

QBH Self Locking Bolt

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DIN6921 Self Locking Bolt

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White Zinc Plated Self Locking Bolt

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Product Description

 

 

QBH DIN6921 M5-M20 Blue White Zinc Plated / Black /

Plain Carbon / Stainless Steel Serrated Flange Self-locking Bolt​

 

 

What's Self-locking Bolt ?


Flange bolt : flange bolt by hexagon head and flange (hexagon gasket and hexagon

fixed one) and screw (cylinder with external thread) two parts of the integral bolt,

need to be matched with the nut, used to fasten the connection of two through hole

parts, so the bolt connection is a detachable connection.

 

Flange type : according to the use of flange bolts in different positions, the size of the

disk requirements are different, and there are also flat bottom and tooth, tooth with

anti-slip effect.

 

 

Purpose
 

Flange bolt is composed of hexagonal head and flange plate, its "support area to stress

area word ratio" is greater than the ordinary bolt, so this bolt can bear higher preload,

anti-loose performance is also better, so it is widely used in automobile engines, heavy

machinery and other products.

 

 

Specifications

 

PRODUCT NAME Self Locking Bolt - Serrated Flange Bolt
ITEM STANDARD

DIN6921,

Others : ASTM , ANSI , JIS , EN , ISO, AS, IFI , GB , etc , Customized .

BRAND QBH
WEB https://www.steelnutbolts.com/
ITEM SIZE

M5-M20,

Other Sizes : Customized 

CLASS/GRADE

Carbon Steel : 4.8 , 5.8 , 6.8 , 8.8 , 10.9 , 12.9 , etc.

Stainless Steel : SS304, SS316 , etc.

SURFACE TREATMENT Plain/Black/Yellow Blue Zinc/Nickel/H.D.G. /Dacr*met/Ge*met/Nickle Plated/Hot DIP Galvanizing , etc.
MATERIALS Carbon Steel (CS) / Stainless Steel (SS) / Copper , etc.
PACKING bulk/ boxes in cartons, bulk in polybags/ buckets, etc.
PALLET solid wood pallet, plywood pallet, ton box/bag, etc.

 

 

Screw Thread
d
M5 M6 M8 M10 M12 M14 M16 M20
P Pitch Coarse thread
Fine thread-1
Fine thread-2
b L≤125
125<L≤200
L>200
c min
da Form A max
Form B max
dc max
ds max
min
du max
dw min
e min
f max
k max
k1 min
r1 min
r2 max
r3 min
r4
s max=nominal size
min
t max
min
0.8 1 1.25 1.5 1.75 2 2 2.5
/ / 1 1.25 1.5 1.5 1.5 1.5
/ / / 1 1.25 / / /
16 18 22 26 30 34 38 46
/ / 28 32 36 40 44 52
/ / / / / / 57 65
1 1.1 1.2 1.5 1.8 2.1 2.4 3
5.7 6.8 9.2 11.2 13.7 15.7 17.7 22.4
6.2 7.4 10 12.6 15.2 17.7 20.7 25.7
11.8 14.2 18 22.3 26.6 30.5 35 43
5 6 8 10 12 14 16 20
4.82 5.82 7.78 9.78 11.73 13.73 15.73 19.67
5.5 6.6 9 11 13.5 15.5 17.5 22
9.8 12.2 15.8 19.6 23.8 27.6 31.9 39.9
8.71 10.95 14.26 16.5 17.62 19.86 23.15 29.87
1.4 2 2 2 3 3 3 4
5.4 6.6 8.1 9.2 11.5 12.8 14.4 17.1
2 2.5 3.2 3.6 4.6 5.1 5.8 6.8
0.25 0.4 0.4 0.4 0.6 0.6 0.6 0.8
0.3 0.4 0.5 0.6 0.7 0.9 1 1.2
0.1 0.1 0.15 0.2 0.25 0.3 0.35 0.4
3 3.4 4.3 4.3 6.4 6.4 6.4 8.5
8 10 13 15 16 18 21 27
7.78 9.78 12.73 14.73 15.73 17.73 20.67 26.67
0.15 0.2 0.25 0.3 0.35 0.45 0.5 0.65
0.05 0.05 0.1 0.15 0.15 0.2 0.25 0.3
Length of Thread b
- - - - - - - -
①,e min. = 1.12 x s min.
②,Material:
a)Steel, Strength class (material): 8.8,10.9,12.9 Standard DIN ISO 898-1
b)Stainless steel, Strength class (material): A2-70 Standard DIN 267-11

 

More Details

 

QBH DIN6921 M5-M20 Blue White Zinc Plated / Black / Plain Carbon / Stainless Steel Serrated Flange Self-Locking Bolt 0

QBH DIN6921 M5-M20 Blue White Zinc Plated / Black / Plain Carbon / Stainless Steel Serrated Flange Self-Locking Bolt 1

QBH DIN6921 M5-M20 Blue White Zinc Plated / Black / Plain Carbon / Stainless Steel Serrated Flange Self-Locking Bolt 2

QBH DIN6921 M5-M20 Blue White Zinc Plated / Black / Plain Carbon / Stainless Steel Serrated Flange Self-Locking Bolt 3

 

Certifications & Package

 

QBH DIN6921 M5-M20 Blue White Zinc Plated / Black / Plain Carbon / Stainless Steel Serrated Flange Self-Locking Bolt 4

 

 

Our Services

 

Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers'
specification and performance.

Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
Cost effective: Competitive prices with professional factory supply
Perfect fastening solution with 15+ years experiences to solve your problem: Wide range of parts selection.
Customized Ideal Fasteners: customized services according to the samples and drawings offered.

 

Free Samples for Standard Fastener from Jiaxing City Qunbang Hardware
 

We Promise:
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. The best service


 

FAQ
 

1.What's your experience like?

Our general manager has been engaged in the export of fasteners since 2005.
Our team can provide you with professional fasteners selling and smooth export services.

2.How about your price?
High quality products with reasonable price. Please give me a inquire, We will quoted you a price for you
refer at once.


3. How do you control your quality?
We require the quality control department to inspect every production link of each shipment. And we can provide you MTC and mill certificate when the goods is finished.

4.How about your delivery time?
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container,
we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let
factory priority produce
your goods.


5.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallets is about 900-960kg, We also can make customer's logo on the cartons. Or we customized cartons according to customers'
requirement.


6.What is your payment term?
We can accept T/T,LC for general order ,Paypal and Western union for small order or samples order.



Awaiting for your kind inquiry! Thanks & best regards!
For more information: www.steelnutbolts.com