Screw With Allen Head
Standard: DIN 7964
Thread Type: Coarse Thread, Partial Thread
Commodity: Screw With Allen Head
Also Named: Low Head Socket Cap Screw
Material: Carbon Steel
Property Class: 4.8 - 12.9
Diameter: M2.5、M3、M4、M5、M6、M8、M10、M12、M16、M20、M24、M30
Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Low Cap Head
Drive Type: Internal Hex
Form: E
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 screw with allen head in China. Please feel free to buy high quality screw with allen head 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 | Screw With Allen Head |
Also Named | Low Head Socket Cap Screw |
Material | Carbon Steel |
Standard | DIN 7964 |
Property Class | 4.8 - 12.9 |
Diameter | M2.5、M3、M4、M5、M6、M8、M10、M12、M16、M20、M24、M30 |
Finish | Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Head Type | Low Cap Head |
Drive Type | Internal Hex |
| Thread Type | Coarse Thread, Partial Thread |
| Form | E |
Dimensions Table

| Thread Size d | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24 | M30 | ||||
| P | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | 3.5 | ||||
| b1 | 0 ~ +2P | type K / short thread | 3.2 | 3.8 | 5 | 6.25 | 7.5 | 10 | 12.5 | 15 | 20 | 25 | 30 | 38 | ||
| type L / long thread | 10 | 12 | 14 | 16 | 18 | 22 | 26 | 30 | 38 | 46 | 54 | 66 | ||||
| b2 | 0 ~ +2P | type K / short thread | 3.75 | 4.5 | 6 | 7.55 | 8.5 | 11.2 | 14.3 | 17.5 | 23 | 28.5 | 33.5 | 43 | ||
| type L / long thread | 10.55 | 12.7 | 15 | 17.3 | 19 | 23.2 | 27.8 | 32.5 | 41 | 49.5 | 57.5 | 71 | ||||
| ds | max | 1.9 | 2.3 | 3 | 3.9 | 4.6 | 6.2 | 7.7 | 9.2 | 12.7 | 16.2 | 19.2 | 24.2 | |||
| min | 1.7 | 2.1 | 2.8 | 3.7 | 4.4 | 6 | 7.5 | 9 | 12.5 | 16 | 19 | 24 | ||||
| r | min | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.8 | 0.8 | 1 | |||
| dk | max | For plain head | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 24 | 30 | 36 | 45 | ||
| For knurled heads | 4.68 | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | 16.27 | 18.27 | 24.33 | 30.33 | 36.39 | 45.39 | ||||
| min | 4.32 | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 23.67 | 29.67 | 35.61 | 44.61 | ||||
| e | min | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 | 16 | 19.44 | 21.73 | 25.15 | |||
| k | max | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 30 | |||
| min | 2.36 | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 | 23.48 | 29.48 | ||||
| s | Nominal Size | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 14 | 17 | 19 | 22 | |||
| min | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 14.032 | 17.05 | 19.065 | 22.065 | ||||
| max | 2.06 | 2.58 | 3.08 | 4.095 | 5.14 | 6.14 | 8.175 | 10.175 | 14.212 | 17.23 | 19.275 | 22.275 | ||||
| t | min | 1.1 | 1.3 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 15.5 | |||
Product Details

Product Advantages

Advantages OF SCREW WITH ALLEN HEAD
1. Especially made Allen keys are used to fasten the Allen head screws in the machinery instead of the traditional wrench or the screwdriver.
2. The locking in the alignment of these screws is magnificent as a sufficient level of torque force is applied.
3. Our Allen head screws are not easy to disassemble from the machinery as a special type of wrench or screwdriver is required, so they are theft-resistant.
4. Help you maintain the beauty of your machines without any scratch marks or fastener marks.
5. AYA screws meet the customers' specific demands globally without intending to compromise on quality.
6. AYA solves the fastening screw problems of its customers by providing the right-sized screws.
Quality Inspection

Every link in the production will be supervised by quality control personnel to ensure that the final product meets customer expectations.
Sophisticated testing instruments and experienced quality control personnel can provide customers with more accurate quality inspection reports.
Packaging & Container Loading

AYA's product packaging can not only provide very good protection for the product but also improve the beauty of the product.
AYA provides custom labeling services.
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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