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JIS B 1179 Flat Countersunk Nib Bolts

JIS B 1179 Flat Countersunk Nib Bolts

MOQ: 10000PCS
Price: Negotiation
Standard Packaging: 25kg Carton+900kg/Pallet or 5KG/CTN
Delivery Period: 30days
Payment Method: L/C TT OA
Supply Capacity: 500TON/MONTH
Detail Information
Place of Origin
CHINA
Brand Name
QBH
Certification
ISO9001
Model Number
JIS B 1179
Standard:
JIS B 1179
Material:
Carbon Steel
Size:
M10-M24
Finish:
ZP BLACK YZP HDG
Grade:
6.8/8.8/10.9
Process:
Cold Forging
Highlight:

JIS B 1179 flat countersunk bolts

,

carbon steel nib bolts

,

countersunk bolts with warranty

Product Description
JIS B 1179 Flat Countersunk Nib Bolts
Product Specifications
Attribute Value
Standard JIS B 1179
Material Carbon steel
Size M10-M24
Finish ZP BLACK YZP HDG
Grade 6.8/8.8/10.9
Process Cold Forging
Product Details
JIS B 1179 Flat Countersunk Nib Bolts are specialized fasteners designed with anti-rotation features. Key components include a flat countersunk head and protruding nibs on the head's underside, which lock into mating surfaces to prevent loosening under vibration or dynamic loads.
Technical Specifications
  • Head Angle: 90°-95° for M10-M20 bolts (standard applications), 60°-65° for M22-M24 bolts (high-stress applications)
  • Nib Geometry: Nibs provide lateral locking force. Sizes vary by diameter (e.g., M10: s_max=3.2mm; M24: s_max=7mm)
  • Standard Sizes: M10, M12, M16, M20, M22, M24
Critical Dimensions
Bolt Size Pitch (P) Head Diameter (dk) Head Height (k) Nib Width (s) Head Angle (α)
M10 1.5 mm 17.7-19 mm 5.3 mm 2.45-3.2 mm 90°-95°
M16 2 mm 30.4-32 mm 8.6 mm 3.45-4.2 mm 90°-95°
M24 3 mm 38.4-40 mm 13.7 mm 6.1-7 mm 60°-65°
Product Images
JIS B 1179 Flat Countersunk Nib Bolts 0 JIS B 1179 Flat Countersunk Nib Bolts 1 JIS B 1179 Flat Countersunk Nib Bolts 2 JIS B 1179 Flat Countersunk Nib Bolts 3
Frequently Asked Questions
How do you let me trust you?
Jiaxing City Qunbang Hardware Co., Ltd has its own right of import and export, QBH trademark in China, United States, European Union have been registered. You can also check the registration information of our company in the China Industry and Commerce system.
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.
How do you control your quality?
Incoming quality control (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.
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.
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.
How about your delivery time?
What we pursue is the high efficiency movement pattern, the stainless steel fastener delivery time about 15 days, the carbon steel fastener will it about 30 days.
products
PRODUCTS DETAILS
JIS B 1179 Flat Countersunk Nib Bolts
MOQ: 10000PCS
Price: Negotiation
Standard Packaging: 25kg Carton+900kg/Pallet or 5KG/CTN
Delivery Period: 30days
Payment Method: L/C TT OA
Supply Capacity: 500TON/MONTH
Detail Information
Place of Origin
CHINA
Brand Name
QBH
Certification
ISO9001
Model Number
JIS B 1179
Standard:
JIS B 1179
Material:
Carbon Steel
Size:
M10-M24
Finish:
ZP BLACK YZP HDG
Grade:
6.8/8.8/10.9
Process:
Cold Forging
Minimum Order Quantity:
10000PCS
Price:
Negotiation
Packaging Details:
25kg Carton+900kg/Pallet or 5KG/CTN
Delivery Time:
30days
Payment Terms:
L/C TT OA
Supply Ability:
500TON/MONTH
Highlight

JIS B 1179 flat countersunk bolts

,

carbon steel nib bolts

,

countersunk bolts with warranty

Product Description
JIS B 1179 Flat Countersunk Nib Bolts
Product Specifications
Attribute Value
Standard JIS B 1179
Material Carbon steel
Size M10-M24
Finish ZP BLACK YZP HDG
Grade 6.8/8.8/10.9
Process Cold Forging
Product Details
JIS B 1179 Flat Countersunk Nib Bolts are specialized fasteners designed with anti-rotation features. Key components include a flat countersunk head and protruding nibs on the head's underside, which lock into mating surfaces to prevent loosening under vibration or dynamic loads.
Technical Specifications
  • Head Angle: 90°-95° for M10-M20 bolts (standard applications), 60°-65° for M22-M24 bolts (high-stress applications)
  • Nib Geometry: Nibs provide lateral locking force. Sizes vary by diameter (e.g., M10: s_max=3.2mm; M24: s_max=7mm)
  • Standard Sizes: M10, M12, M16, M20, M22, M24
Critical Dimensions
Bolt Size Pitch (P) Head Diameter (dk) Head Height (k) Nib Width (s) Head Angle (α)
M10 1.5 mm 17.7-19 mm 5.3 mm 2.45-3.2 mm 90°-95°
M16 2 mm 30.4-32 mm 8.6 mm 3.45-4.2 mm 90°-95°
M24 3 mm 38.4-40 mm 13.7 mm 6.1-7 mm 60°-65°
Product Images
JIS B 1179 Flat Countersunk Nib Bolts 0 JIS B 1179 Flat Countersunk Nib Bolts 1 JIS B 1179 Flat Countersunk Nib Bolts 2 JIS B 1179 Flat Countersunk Nib Bolts 3
Frequently Asked Questions
How do you let me trust you?
Jiaxing City Qunbang Hardware Co., Ltd has its own right of import and export, QBH trademark in China, United States, European Union have been registered. You can also check the registration information of our company in the China Industry and Commerce system.
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.
How do you control your quality?
Incoming quality control (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.
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.
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.
How about your delivery time?
What we pursue is the high efficiency movement pattern, the stainless steel fastener delivery time about 15 days, the carbon steel fastener will it about 30 days.
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