JIS B 1179 Flat Countersunk Nib Bolts
Price:
Negotiation
MOQ:
10000PCS
Delivery Time:
30days
Brand:
QBH
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
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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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Jiaxing City Qunbang Hardware Co., Ltd
Location
No.375,Tongle Road,Jiaxing City,Zhejiang Province,China
Contact Person
Lance