Countersunk Raised Head Screws
Standard: JIS B 1115 (O)
Thread Type: Self-Tapping Screw Thread
Commodity: Countersunk Raised Head Screws
Also Named: Slotted Raised Head Tapping Screws
Material: Carbon Steel
Property Class: 4.8-12.9
Diameter: ST2.2、ST2.9、ST3.5、ST4.2、ST4.8、ST5.5、ST6.3、ST8、ST9.5
Finish: Plain, Black, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Oval Head
Drive Type: Internal Slot
Form/Shape Of Tip: Type C/F
Alternative Standard: DIN 7973、ISO 1483、JIS B 1115 (O)
MOQ: 1000kgs
Lead Time: 30 to 60 days
Product Introduction
AYA Fasteners (Hebei) Co., Ltd. is one of the most experienced manufacturers and suppliers of countersunk raised head screws in China. Please feel free to buy high quality countersunk raised head screws made in China here from our factory. For price consultation, contact us.
As a global supplier of customized fastening solutions, AYA's service process is also as close to customers as AYA's products. From describing needs to follow-up services, AYA will promptly and spare no effort to help customers solve any fastening problems that arise, to eliminate the concern of customers.
PRODUCT DESCRIPTION
Product Name | Countersunk Raised Head Screws |
Also Named | Slotted Raised Head Tapping Screws |
Material | Carbon Steel |
Standard | JIS B 1115 (O) |
Property Class | 4.8-12.9 |
| Form/Shape Of Tip | Type C/F |
Diameter | ST2.2、ST2.9、ST3.5、ST4.2、ST4.8、ST5.5、ST6.3、ST8、ST9.5 |
Finish | Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Head Type | Oval Head |
Drive Type | Internal Slot |
Thread Type | Self-Tapping Screw Thread |
| Alternative Standard | DIN 7973、ISO 1483、JIS B 1115 (O) |
DIMENSIONS TABLE
| Screw Thread d | ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | ST9.5 | |
| P | Pitch | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 |
| a | max | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 |
| dk | theoretical value | 4.4 | 6.3 | 8.2 | 9.4 | 10.4 | 11.5 | 12.6 | 17.3 | 20 |
| max | 3.8 | 5.5 | 7.3 | 8.4 | 9.3 | 10.3 | 11.3 | 15.8 | 18.3 | |
| min | 3.5 | 5.2 | 6.9 | 8 | 8.9 | 9.9 | 10.9 | 15.4 | 17.8 | |
| f | ≈ | 0.5 | 0.7 | 0.8 | 1 | 1.2 | 1.3 | 1.4 | 2 | 2.3 |
| k | max | 1.1 | 1.7 | 2.35 | 2.6 | 2.8 | 3 | 3.15 | 4.65 | 5.25 |
| n | Nominal Size | 0.5 | 0.8 | 1 | 1.2 | 1.2 | 1.6 | 1.6 | 2 | 2.5 |
| max | 0.7 | 1 | 1.2 | 1.51 | 1.51 | 1.91 | 1.91 | 2.31 | 2.81 | |
| min | 0.56 | 0.86 | 1.06 | 1.26 | 1.26 | 1.66 | 1.66 | 2.06 | 2.56 | |
| r | max | 0.8 | 1.2 | 1.4 | 1.6 | 2 | 2.2 | 2.4 | 3.2 | 3.8 |
| t | max | 0.6 | 0.85 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 2.3 | 2.6 |
| min | 0.4 | 0.6 | 0.9 | 1 | 1.1 | 1.1 | 1.2 | 1.8 | 2 | |
| y | Type C | 2 | 2.6 | 3.2 | 3.7 | 4.3 | 5 | 6 | 7.5 | 8 |
| Type F | 1.6 | 2.1 | 2.5 | 2.8 | 3.2 | 3.6 | 3.6 | 4.2 | 4.2 | |
PRODUCT DETAILS
PRODUCT ADVANTAGES
ADVANTAGES OF Countersunk Raised Head Screws
1. Comes with raised or oval heads that are smooth to create an aesthetically pleasing finish
2. Perfect for leveled surfaces as it is structured with an angled underside to seamlessly fit countersunk tapping
3. Made with a durable stainless-steel material that minimizes corrosion, oxidation, and general wear and tears
4. Created with clear and sharp threads that do not erode with usage
5. AYA is a globally competitive player in the commercial and industrial fastening sector with 9 years of experience delivering high-quality products with reasonable pricing
6. AYA’s network of overseas warehouses and logistic partners makes it easier to provide smooth and on-time order fulfillment
QUALITY INSPECTION
PACKAGING & CONTAINER LOADING
USAGE SCENARIOS
WHY CHOOSE AYA?
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