Send Message
products
PRODUCTS DETAILS
Home > Products >
High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30
Products

Steel Nut Bolts

Steel Hex Bolt

Carbon Steel Bolt

High Tensile Stainless Steel Bolts

Carbon Steel Nuts

Stainless Steel Nut

Steel Flat Washer

Spring Steel Washers

Stainless Steel Washer

Fully Threaded Studs

Non Standard Fasteners

Seismic Wedge Anchors

Self Tapping Screw

Electrical Fasteners

Solar Panel Fasteners

Stainless Steel Shackle
Contact Us
sales3@qbfastener.cn
+86-17858782183
Contact Now
name
  • name
  • name
  • name
  • name
  • name

High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30

MOQ: 900kg
Price: Negotiation
Standard Packaging: 25kg Carton+900kg/Pallet
Delivery Period: 30days
Payment Method: L/C, T/T, Q/A
Supply Capacity: 200TON/MONTH
Detail Information
Product Description
Detail Information
Place of Origin
CHINA
Brand Name
QBH
Certification
ISO9001
Model Number
DIN
Material:
Stainless Steel, Brass, Carbon Steel, Alloy Steel, Stainless Steel304
Size:
M3-M30
Grade:
Plain, Etc., HDG, Black, Yellow Zinc Plated
Advantage:
We Can Manufacture According To Client Design,OEM / ODM / Customized Service Provided
Color:
Silver, Blue, Yellow, Silver Or Black Color, Black
Delivery Time:
Within 30days
Oem:
Welcome, According To Your Request, Accept
Minimum Order Quantity:
900kg
Price:
Negotiation
Packaging Details:
25kg Carton+900kg/Pallet
Delivery Time:
30days
Payment Terms:
L/C, T/T, Q/A
Supply Ability:
200TON/MONTH
High Light:

grade 12.9 black hexagon bolts

,

m6 black hexagon bolts

,

m30 black hexagon bolts

Product Description

Blackening, also known as boiling blackening or bluing, is a method of finishing steel. The coating film is formed by the reaction between the liquid medicine and the material of the workpiece itself. The thickness of the film after oxidation treatment is 0.5-1.5 microns, which has no significant influence on the size and accuracy of the parts. Oxidation treatment of iron and steel parts is widely used in the general protection and decoration of mechanical parts, precision instruments, cylinders, springs, weapons and daily necessities. Its film wear resistance is better, dark and shiny, extremely beautiful.

Screw Thread
d
M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24
P Pitch
α tol.(+2)
b L≤125mm
125＜L ≤ 200
L＞200
dk max=nominal size
min
ds max=nominal size
min
e min
k max
s Nominal Size
min
max
t max=nominal size
min
0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3
90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 60° 60°
12 14 16 18 22 26 30 34 38 42 46 50 54
/ / / 24 28 32 36 40 44 48 52 56 60
/ / / / / 45 49 53 57 61 65 69 73
6 8 10 12 16 20 24 27 30 33 36 36 39
5.7 7.64 9.64 11.57 15.57 19.48 23.48 26.48 29.48 32.38 35.38 35.38 38.38
3 4 5 6 8 10 12 14 16 18 20 22 24
2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67
2.3 2.87 3.44 4.58 5.72 6.86 9.15 11.43 11.43 13.72 13.72 16 16
1.7 2.3 2.8 3.3 4.4 5.5 6.5 7 7.5 8 8.5 13.1 14
2 2.5 3 4 5 6 8 10 10 12 12 14 14
2.02 2.52 3.02 4.02 5.02 6.02 8.025 10.025 10.025 12.032 12.032 14.032 14.032
2.1 2.6 3.1 4.12 5.14 6.14 8.175 10.175 10.175 12.212 12.212 14.212 14.212
1.2 1.8 2.3 2.5 3.5 4.4 4.6 4.8 5.3 5.5 5.9 8.8 10.3
0.95 1.55 2.05 2.25 3.2 4.1 4.3 4.5 5 5.2 5.6 8.44 9.87

 

 

 

The advantages of QBH

  • QBH brand sales to the main quality assurance.
  • Years of export trade management, excellent service, word-of-mouth guarantee.
  • By working with TUV,escort for quality.
  • Customization of non-standard parts can be made according to customer's requirements and drawings.
  • For quality customers,we can provide a certain credit period.

 

High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30 0High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30 1High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30 2High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30 3

 

 

 

FAQ

1. How do you let me trust you.
 
Jiaxing City Qunbang Hardware Co.,ltd hs its own right of import and export,QBH trademark in China,United States,European Union have been registered.At the same time,you can also check the registration information of our company in the China industry and Commerce system.
 
 
2. How about your price.
 
We will be based on different markets,for different quality and quantity,tailor-made prices for customers,in order to achieve win-win goal.
 
 
3. How do you control your quality.
 
Incoming quality contral( IQC)→Process Quality control(PQC)→Output quality control(OQC),and the random samples is sent to TUV for testing.If the customer received the goods and found quality problems,QBH company promises to be responsible for returning money or replenishing the goods
 
 
4. Could you provide free samples?
 
For new customer, We can provide free samples for standard fastener, But the clients will pay the express
charges. For old customer, We will send you free samples and pay express charges by ourself.
 
 
5. Do you accept small order?
 
QBH company can accept small orders if we have them in stock.Generally speaking,the stock probability of stainless steel fasteners is higher than that of carbon steel fasteners.
 
 
6. How about your delivery time
 
What we pursure is the high efficiency movement pattern,the stainless steel fastener delivery time about 15days,the carbon steel fastener will it about 30days
 
 
7. What is your packing.
 
Usually 25KG/carbon,36CTNS on the pallets,or 20-30kg/Bags,then on the pallet,QBH company personalized packagingis also available,like 10PCS/plastic bag or 10pcs/box,it can print some information
such as LOGO and pattern of customers.
 

 

 

 

 

Tags: 

HDG PLAIN Carbon Steel Bolt,  

F1554 Carbon Steel Bolt,  

10.9 Carbon Steel Bolt

Recommended Products
F1554 90 Degree Anchor Bolt HD Steel Columns Carbon Steel Bolt

F1554 90 Degree Anchor Bolt HD Steel Columns Carbon Steel Bolt

Contact Now
High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30 Video

High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30

Contact Now
Copper Plated Welding M3 Stainless Steel Hex Head Bolts Din hex flange bolt Video

Copper Plated Welding M3 Stainless Steel Hex Head Bolts Din hex flange bolt

Contact Now
Carbon steel galvanized Anglo - American half - round head square neck bolts 1/4

Carbon steel galvanized Anglo - American half - round head square neck bolts 1/4

Contact Now
QBH M24 HDG ZP Subway Metro Nut Washer Assembly Double Head ARC Segment Bolt

QBH M24 HDG ZP Subway Metro Nut Washer Assembly Double Head ARC Segment Bolt

Contact Now
QBH 1/4-1-1/2 IFI 115 Carbon Steel/Stainless Steel 12 Point Screws IFI115 Flange Spline Bolts Video

QBH 1/4-1-1/2 IFI 115 Carbon Steel/Stainless Steel 12 Point Screws IFI115 Flange Spline Bolts

Contact Now
QBH ZP HDG Black Hex Serrated Flange Head Self-Tapping Concrete Screw Anchor Video

QBH ZP HDG Black Hex Serrated Flange Head Self-Tapping Concrete Screw Anchor

Contact Now
QBH Book Bedside Cabinet Chair Crib Cot Infanette Bed Cross Slotted Point Drive YZP Horizontal Hole Furniture Nut Bolt

QBH Book Bedside Cabinet Chair Crib Cot Infanette Bed Cross Slotted Point Drive YZP Horizontal Hole Furniture Nut Bolt

Contact Now
QBH 3.5*25 Black Phosphating Drywall Self-Tapping Bugle Head Double/Single Threaded Carbon Steel Dry Wall Screws

QBH 3.5*25 Black Phosphating Drywall Self-Tapping Bugle Head Double/Single Threaded Carbon Steel Dry Wall Screws

Contact Now
QBH Black Green WZP YZP Yellow White Zinc Plated Trumpet Head Double Or Single Threaded Carbon Steel Drywall Screws Video

QBH Black Green WZP YZP Yellow White Zinc Plated Trumpet Head Double Or Single Threaded Carbon Steel Drywall Screws

Contact Now
QBH DIN571 M4-M20 Black Hot DIP Galvanizing Plain Carbon Steel Hexagon Head Wood Screws Video

QBH DIN571 M4-M20 Black Hot DIP Galvanizing Plain Carbon Steel Hexagon Head Wood Screws

Contact Now
products
PRODUCTS DETAILS
Products

Steel Nut Bolts

Steel Hex Bolt

Carbon Steel Bolt

High Tensile Stainless Steel Bolts

Carbon Steel Nuts

Stainless Steel Nut

Steel Flat Washer

Spring Steel Washers

Stainless Steel Washer

Fully Threaded Studs

Non Standard Fasteners

Seismic Wedge Anchors

Self Tapping Screw

Electrical Fasteners

Solar Panel Fasteners

Stainless Steel Shackle
name
  • name
  • name
  • name
  • name
  • name
High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30
MOQ: 900kg
Price: Negotiation
Standard Packaging: 25kg Carton+900kg/Pallet
Delivery Period: 30days
Payment Method: L/C, T/T, Q/A
Supply Capacity: 200TON/MONTH
Detail Information
Product Description
Detail Information
Place of Origin
CHINA
Brand Name
QBH
Certification
ISO9001
Model Number
DIN
Material:
Stainless Steel, Brass, Carbon Steel, Alloy Steel, Stainless Steel304
Size:
M3-M30
Grade:
Plain, Etc., HDG, Black, Yellow Zinc Plated
Advantage:
We Can Manufacture According To Client Design,OEM / ODM / Customized Service Provided
Color:
Silver, Blue, Yellow, Silver Or Black Color, Black
Delivery Time:
Within 30days
Oem:
Welcome, According To Your Request, Accept
Minimum Order Quantity:
900kg
Price:
Negotiation
Packaging Details:
25kg Carton+900kg/Pallet
Delivery Time:
30days
Payment Terms:
L/C, T/T, Q/A
Supply Ability:
200TON/MONTH
High Light

grade 12.9 black hexagon bolts

,

m6 black hexagon bolts

,

m30 black hexagon bolts

Product Description

Blackening, also known as boiling blackening or bluing, is a method of finishing steel. The coating film is formed by the reaction between the liquid medicine and the material of the workpiece itself. The thickness of the film after oxidation treatment is 0.5-1.5 microns, which has no significant influence on the size and accuracy of the parts. Oxidation treatment of iron and steel parts is widely used in the general protection and decoration of mechanical parts, precision instruments, cylinders, springs, weapons and daily necessities. Its film wear resistance is better, dark and shiny, extremely beautiful.

Screw Thread
d
M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24
P Pitch
α tol.(+2)
b L≤125mm
125＜L ≤ 200
L＞200
dk max=nominal size
min
ds max=nominal size
min
e min
k max
s Nominal Size
min
max
t max=nominal size
min
0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3
90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 90° 60° 60°
12 14 16 18 22 26 30 34 38 42 46 50 54
/ / / 24 28 32 36 40 44 48 52 56 60
/ / / / / 45 49 53 57 61 65 69 73
6 8 10 12 16 20 24 27 30 33 36 36 39
5.7 7.64 9.64 11.57 15.57 19.48 23.48 26.48 29.48 32.38 35.38 35.38 38.38
3 4 5 6 8 10 12 14 16 18 20 22 24
2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67
2.3 2.87 3.44 4.58 5.72 6.86 9.15 11.43 11.43 13.72 13.72 16 16
1.7 2.3 2.8 3.3 4.4 5.5 6.5 7 7.5 8 8.5 13.1 14
2 2.5 3 4 5 6 8 10 10 12 12 14 14
2.02 2.52 3.02 4.02 5.02 6.02 8.025 10.025 10.025 12.032 12.032 14.032 14.032
2.1 2.6 3.1 4.12 5.14 6.14 8.175 10.175 10.175 12.212 12.212 14.212 14.212
1.2 1.8 2.3 2.5 3.5 4.4 4.6 4.8 5.3 5.5 5.9 8.8 10.3
0.95 1.55 2.05 2.25 3.2 4.1 4.3 4.5 5 5.2 5.6 8.44 9.87

 

 

 

The advantages of QBH

  • QBH brand sales to the main quality assurance.
  • Years of export trade management, excellent service, word-of-mouth guarantee.
  • By working with TUV,escort for quality.
  • Customization of non-standard parts can be made according to customer's requirements and drawings.
  • For quality customers,we can provide a certain credit period.

 

High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30 0High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30 1High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30 2High Strength Screws External Black Hexagon Bolts Grade 12.9 M6-M30 3

 

 

 

FAQ

1. How do you let me trust you.
 
Jiaxing City Qunbang Hardware Co.,ltd hs its own right of import and export,QBH trademark in China,United States,European Union have been registered.At the same time,you can also check the registration information of our company in the China industry and Commerce system.
 
 
2. How about your price.
 
We will be based on different markets,for different quality and quantity,tailor-made prices for customers,in order to achieve win-win goal.
 
 
3. How do you control your quality.
 
Incoming quality contral( IQC)→Process Quality control(PQC)→Output quality control(OQC),and the random samples is sent to TUV for testing.If the customer received the goods and found quality problems,QBH company promises to be responsible for returning money or replenishing the goods
 
 
4. Could you provide free samples?
 
For new customer, We can provide free samples for standard fastener, But the clients will pay the express
charges. For old customer, We will send you free samples and pay express charges by ourself.
 
 
5. Do you accept small order?
 
QBH company can accept small orders if we have them in stock.Generally speaking,the stock probability of stainless steel fasteners is higher than that of carbon steel fasteners.
 
 
6. How about your delivery time
 
What we pursure is the high efficiency movement pattern,the stainless steel fastener delivery time about 15days,the carbon steel fastener will it about 30days
 
 
7. What is your packing.
 
Usually 25KG/carbon,36CTNS on the pallets,or 20-30kg/Bags,then on the pallet,QBH company personalized packagingis also available,like 10PCS/plastic bag or 10pcs/box,it can print some information
such as LOGO and pattern of customers.
 

 

 

 

 

Tags: 

HDG PLAIN Carbon Steel Bolt,

F1554 Carbon Steel Bolt,

10.9 Carbon Steel Bolt

Jiaxing City Qunbang Hardware Co., Ltd
No.375,Tongle Road,Jiaxing City,Zhejiang Province,China
Tel: +86-13511332403
Sitemap |  Privacy Policy | China Good Quality Steel Nut Bolts Supplier. Copyright © 2020-2024 steelnutbolts.com . All Rights Reserved.