Oval Head Countersunk Screw
Standard: ASME B 18.6.4
Thread Type: Self-Tapping Screw Thread
Commodity: Oval Head Countersunk Screw
Also Named: Pozi Self Tapping Screws
Material: Carbon Steel
Property Class: 4.8-12.9
Diameter: 4#、5#、6#、6#、8#、8#、10#、12#、12#、1/4、1/4、5/16、5/16
Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Oval Head
Drive Type: Pozi Drive
Form/Shape Of Tip: Type AB
Alternative Standard: ASME B 18.6.4、ASME B 18.6.5M、ASME B 18.6.3
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 oval head countersunk screw in China. Please feel free to buy high quality oval head countersunk screw 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 | Oval Head Countersunk Screw |
Also Named | Pozi Self Tapping Screws |
Material | Carbon Steel |
Standard | ASME B 18.6.4 |
Property Class | 4.8-12.9 |
| Form/Shape Of Tip | Type AB |
Diameter (Thread,Head)×Slot: | (4#,3)×1、(5#,4)×1、(6#,4)×1、(6#,5)×2、(8#,5)×2、(8#,6)×2、(10#,8)×2、(12#,8)×2、(12#,10)×2、(1/4,10)×2、(1/4,12)×3、(5/16,12)×3、(5/16,1/4)×3 |
Finish | Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Head Type | Oval Head |
Drive Type | Pozi Drive |
Thread Type | Self-Tapping Screw Thread |
| Alternative Standard | ASME B 18.6.4、ASME B 18.6.5M、ASME B 18.6.3 |
DIMENSIONS TABLE

| Nominal Diameter d | 4# | 5# | 6# | 6# | 8# | 8# | 10# | 12# | 12# | 1/4 | 1/4 | 5/16 | 5/16 | ||
| d | Nominal Diameter | 0.112 | 0.125 | 0.138 | 0.138 | 0.164 | 0.164 | 0.19 | 0.216 | 0.216 | 0.25 | 0.25 | 0.3125 | 0.3125 | |
| Code | Head Size | 3 | 4 | 4 | 5 | 5 | 6 | 8 | 8 | 10 | 10 | 12 | 12 | 1/4 | |
| ds1 | For Long Screws With Shoulder | min | 0.106 | 0.119 | 0.131 | 0.131 | 0.157 | 0.157 | 0.181 | 0.207 | 0.207 | 0.24 | 0.24 | 0.302 | 0.302 |
| dk | max | 0.187 | 0.212 | 0.212 | 0.237 | 0.237 | 0.262 | 0.312 | 0.312 | 0.362 | 0.362 | 0.412 | 0.412 | 0.477 | |
| min | 0.167 | 0.191 | 0.191 | 0.215 | 0.215 | 0.238 | 0.285 | 0.285 | 0.333 | 0.333 | 0.38 | 0.38 | 0.442 | ||
| k | Ref. | 0.057 | 0.066 | 0.058 | 0.075 | 0.06 | 0.076 | 0.094 | 0.078 | 0.111 | 0.091 | 0.124 | 0.087 | 0.13 | |
| f | Ref. | 0.033 | 0.037 | 0.037 | 0.041 | 0.041 | 0.045 | 0.076 | 0.076 | 0.06 | 0.06 | 0.068 | 0.068 | 0.079 | |
| h | Ref. | 0.086 | 0.099 | 0.091 | 0.112 | 0.096 | 0.117 | 0.141 | 0.125 | 0.166 | 0.146 | 0.187 | 0.15 | 0.202 | |
| M | For Short Screws | Ref. | 0.118 | 0.13 | 0.13 | 0.152 | 0.152 | 0.172 | 0.186 | 0.186 | 0.202 | 0.202 | 0.264 | 0.264 | 0.284 |
| For Long Screws With Shoulder | Ref. | 0.118 | 0.13 | 0.13 | 0.162 | 0.162 | 0.188 | 0.2 | 0.2 | 0.214 | 0.214 | 0.264 | 0.264 | 0.284 | |
| t | For Short Screws | Ref. | 0.077 | 0.089 | 0.089 | 0.08 | 0.08 | 0.1 | 0.115 | 0.115 | 0.132 | 0.132 | 0.148 | 0.148 | 0.168 |
| For Long Screws With Shoulder | Ref. | 0.077 | 0.089 | 0.089 | 0.091 | 0.091 | 0.117 | 0.13 | 0.13 | 0.143 | 0.143 | 0.148 | 0.148 | 0.168 | |
| N | Ref. | 0.03 | 0.03 | 0.03 | 0.041 | 0.041 | 0.041 | 0.041 | 0.041 | 0.041 | 0.041 | 0.056 | 0.056 | 0.057 | |
| Socket No. | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | ||
| Penetration depth | For Short Screws | max | 0.074 | 0.086 | 0.086 | 0.074 | 0.074 | 0.093 | 0.108 | 0.108 | 0.125 | 0.125 | 0.135 | 0.135 | 0.155 |
| min | 0.058 | 0.07 | 0.07 | 0.056 | 0.056 | 0.075 | 0.09 | 0.09 | 0.107 | 0.107 | 0.117 | 0.117 | 0.137 | ||
| For Long Screws With Shoulder | max | 0.074 | 0.086 | 0.086 | 0.084 | 0.084 | 0.109 | 0.122 | 0.122 | 0.136 | 0.136 | 0.135 | 0.135 | 0.155 | |
| min | 0.058 | 0.07 | 0.07 | 0.066 | 0.066 | 0.091 | 0.104 | 0.104 | 0.118 | 0.118 | 0.117 | 0.117 | 0.137 | ||
PRODUCT DETAILS

PRODUCT ADVANTAGES

ADVANTAGES OF Oval Head Countersunk Screw
1.High-quality material oval head screws with rigid strength can be customized in size and gauge according to your needs.
2.The countersunk provides extra grip with the surface this screw is tightened on.
3.Oval head with deep screwdriver mounting area for easy tightening and loosening.
4.It is used for aesthetic purposes where the screw head is exposed.
5.It requires less power to tighten these screws because of Its Sharp threads and pointy tip, which quickly make their way to the surface.
6.AYA is fully committed and devoted to providing fastening solutions around the globe.
7.Currently, AYA is serving over 1000 customers all around the world. The trust of customers demonstrates the durability of their products.
QUALITY INSPECTION

PACKAGING & CONTAINER LOADING

USAGE SCENARIOS

WHY CHOOSE AYA?
AYA provides exclusive services to 1000+ members from all over the world every year, with a unique chain service solution system, you only need to click the mouse to get exclusive fastening solution and enjoy door-to-door services.
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