Machine Screw
Standard: ASME B 18.6.3
Thread Type: Coarse Thread / Fine Thread
Thread Length: Full Thread
Commodity: Machine Screw
Also Named: Machine Screw Set
Material: Carbon Steel
Property Class: 4.6/4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9
Diameter: 0#, 1#, 2#, 3#, 4#, 5#, 6#, 8#, 10#, 12#, 1/4, 5/16, 3/8, 7/16, 1/2
Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Pan Head
Drive Type: Combo Drive
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 machine screw in China. Please feel free to buy high quality machine 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 | Machine Screw |
| Also Named | Machine Screw Set |
| Material | Carbon Steel |
| Standard | ASME B 18.6.3 |
| Property Class | 4.6-12.9 |
|
Diameter |
0#, 1#, 2#, 3#, 4#, 5#, 6#, 8#, 10#, 12#, 1/4, 5/16, 3/8, 7/16, 1/2 |
| Finish | Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
| Head Type | Pan Head |
| Drive Type | Combo Drive |
| Thread Type | Coarse Thread / Fine Thread |
| Thread Length | Full Thread |
DIMENSIONS TABLE

| Screw Thread d |
0# | 1# | 2# | 3# | 4# | 5# | 6# | 8# | 10# | 12# | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | ||
| d | 0.06 | 0.073 | 0.086 | 0.099 | 0.112 | 0.125 | 0.138 | 0.164 | 0.19 | 0.216 | 0.25 | 0.3125 | 0.375 | 0.4375 | 0.5 | ||
| PP | UNC | 80 | 64 | 56 | 48 | 40 | 40 | 32 | 32 | 24 | 24 | 20 | 18 | 16 | 14 | 13 | |
| dk | max | 0.116 | 0.142 | 0.167 | 0.193 | 0.219 | 0.245 | 0.27 | 0.322 | 0.373 | 0.425 | 0.492 | 0.615 | 0.74 | 0.863 | 0.987 | |
| min | 0.104 | 0.13 | 0.155 | 0.18 | 0.205 | 0.231 | 0.256 | 0.306 | 0.357 | 0.407 | 0.473 | 0.594 | 0.716 | 0.837 | 0.958 | ||
| k | max | 0.044 | 0.053 | 0.062 | 0.071 | 0.08 | 0.089 | 0.097 | 0.115 | 0.133 | 0.151 | 0.175 | 0.218 | 0.261 | 0.305 | 0.348 | |
| min | 0.036 | 0.044 | 0.053 | 0.062 | 0.07 | 0.079 | 0.087 | 0.105 | 0.122 | 0.139 | 0.162 | 0.203 | 0.244 | 0.284 | 0.325 | ||
| n | max | 0.023 | 0.026 | 0.031 | 0.035 | 0.039 | 0.043 | 0.048 | 0.054 | 0.06 | 0.067 | 0.075 | 0.084 | 0.094 | 0.094 | 0.106 | |
| min | 0.016 | 0.019 | 0.023 | 0.027 | 0.031 | 0.035 | 0.039 | 0.045 | 0.05 | 0.056 | 0.064 | 0.072 | 0.081 | 0.081 | 0.091 | ||
| t | max | 0.022 | 0.027 | 0.031 | 0.036 | 0.04 | 0.045 | 0.05 | 0.058 | 0.068 | 0.077 | 0.087 | 0.106 | 0.124 | 0.142 | 0.161 | |
| min | 0.013 | 0.016 | 0.02 | 0.023 | 0.027 | 0.03 | 0.033 | 0.041 | 0.048 | 0.055 | 0.063 | 0.076 | 0.09 | 0.105 | 0.118 | ||
| M | Type I | 0.06 | 0.067 | 0.097 | 0.105 | 0.115 | 0.152 | 0.159 | 0.175 | 0.192 | 0.252 | 0.274 | 0.343 | 0.382 | 0.406 | 0.428 | |
| Type IA | 0.06 | 0.067 | 0.097 | 0.105 | 0.115 | 0.147 | 0.155 | 0.17 | 0.185 | 0.247 | 0.266 | 0.334 | 0.37 | 0.392 | 0.413 | ||
| Type III | - | - | 0.05 | 0.07 | 0.07 | 0,091 | 0.091 | 0.112 | 0.112 | 0.133 | 0.133 | 0.191 | 0.191 | - | - | ||
| P | Type I | Max. | 0.032 | 0.04 | 0.052 | 0.061 | 0.071 | 0.072 | 0.08 | 0.097 | 0.113 | 0.124 | 0.144 | 0.173 | 0.213 | 0.239 | 0.26 |
| Min. | 0.014 | 0.022 | 0.034 | 0.043 | 0.053 | 0.046 | 0.055 | 0.071 | 0.089 | 0.098 | 0.118 | 0.149 | 0.19 | 0.214 | 0.235 | ||
| Type IA | Max. | 0.033 | 0.04 | 0.053 | 0.062 | 0.072 | 0,068 | 0.076 | 0.092 | 0.108 | 0.117 | 0.137 | 0.164 | 0.201 | 0.224 | 0.246 | |
| Min. | 0.017 | 0.024 | 0.037 | 0.046 | 0.056 | 0.05 | 0.058 | 0.074 | 0.09 | 0.099 | 0.119 | 0.146 | 0.183 | 0.206 | 0.228 | ||
| Type III | Max. | - | - | 0.033 | 0.038 | 0.038 | 0.065 | 0.065 | 0.075 | 0.075 | 0.095 | 0,095 | 0.1 | 0.1 | - | - | |
| Min. | - | - | 0.028 | 0.028 | 0.028 | 0.05 | 0.05 | 0.06 | 0.06 | 0.08 | 0.08 | 0.085 | 0.085 | - | - | ||
| Drive Size | Type I | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | |
| Type IA | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | ||
| Type III | - | - | 0 | 0 | 0 | 1R | 1R | 2R | 2R | 3R | 3R | 4R | 4R | 4R | 4R | ||
| ①, Carbon Steel - Unhardened. Unless otherwise specified, machine screw shall be non-heat-treated low carbon steel, such as 1006 through 1022, with a hardness of Rockwell B69-100 ②, Carbon Steel - Hardened. When hardened machine screws are specified, they shall be made form low or medium carbon steel, such as 1018 through 1038, with or without boron, through-hardened to Rockwell C25-38 |
PRODUCT DETAILS

PRODUCT ADVANTAGES

ADVANTAGES OF Machine Screw
1. You can fasten more than 2 objects using a machine screw.
2. The size has made this screw unique. The diameter of the screw is around 0.75 inches or less. Uniform threading is another characteristic of the machine screw.
3. The outer sides of the screws have a helical edge, which has a consistent design.
4. You can easily join metal objects using the machine screws.
5. Our machine screws are made of high-quality stainless steel and ensure a sturdy design.
6. Our screws are available at a reasonable price, so, you can buy a large number of screws.
QUALITY INSPECTION

PACKAGING & CONTAINER LOADING

USAGE SCENARIOS

WHY 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 solutions and enjoy door-to-door services.
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