Slotted Round Head Machine Screws
Standard: ASME B 18.6.3
Thread Type: Coarse Thread / Fine Thread
Thread Length: Full Thread / Partial Thread
Commodity: Slotted Round Head Machine Screws
Also Named: Round Head Machine Screw
Material: Carbon Steel
Property Class: 4.6/4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9
Diameter: 2#, 3#, 4#, 5#, 6#, 7#②, 8#, 10#, 12#, 14#②, 1/4, 16#, 18# ③, 5/16, 20#②, 24#②, 3/8, 7/16, 1/2
Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Round Head
Drive Type: Internal Slot
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 slotted round head machine screws in China. Please feel free to buy high quality slotted round head machine 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 | Slotted Round Head Machine Screws |
| Also Named | Slotted Round Head Screws |
| Material | Carbon Steel |
| Standard | ASME B 18.6.3 |
| Property Class | 4.6/4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9 |
| Diameter | 2#, 3#, 4#, 5#, 6#, 7#②, 8#, 10#, 12#, 14#②, 1/4, 16#, 18# ③, 5/16, 20#②, 24#②, 3/8, 7/16, 1/2 |
| Finish | Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
| Head Type | Round Head |
| Drive Type | Internal Slot |
| Thread Type | Coarse Thread / Fine Thread |
| Point Type | Full Thread / Partial Thread |
DIMENSIONS TABLE
| Thread Size d | 2# | 3# | 4# | 5# | 6# | 7# ② | 8# | 10# | 12# | 14# ② | |
| d | Nominal Size | 0.086 | 0.099 | 0.112 | 0.125 | 0.138 | 0.151 | 0.164 | 0.19 | 0.216 | 0.242 |
| PP | UNC | 56 | 48 | 40 | 40 | 32 | - | 32 | 24 | 24 | - |
| dk | Ref. | 0.136 | 0.156 | 0.177 | 0.198 | 0.218 | 0.238 | 0.259 | 0.3 | 0.341 | 0.382 |
| dc | max | 0.202 | 0.232 | 0.261 | 0.291 | 0.321 | 0.35 | 0.38 | 0.439 | 0.498 | 0.558 |
| min | 0.186 | 0.215 | 0.243 | 0.272 | 0.301 | 0.33 | 0.358 | 0.416 | 0.473 | 0.531 | |
| k | max | 0.062 | 0.07 | 0.079 | 0.088 | 0.096 | 0.105 | 0.113 | 0.13 | 0.148 | 0.165 |
| min | 0.05 | 0.058 | 0.067 | 0.075 | 0.084 | 0.092 | 0.101 | 0.118 | 0.134 | 0.151 | |
| c | Ref. | 0.03 | 0.03 | 0.03 | 0.04 | 0.04 | 0.04 | 0.04 | 0.05 | 0.05 | 0.05 |
| n | max | 0.031 | 0.035 | 0.039 | 0.043 | 0.048 | 0.048 | 0.054 | 0.06 | 0.067 | 0.075 |
| min | 0.023 | 0.027 | 0.031 | 0.035 | 0.039 | 0.039 | 0.045 | 0.05 | 0.056 | 0.064 | |
| t | max | 0.037 | 0.042 | 0.048 | 0.053 | 0.058 | 0.06 | 0.067 | 0.071 | 0.085 | 0.095 |
| min | 0.03 | 0.034 | 0.038 | 0.041 | 0.043 | 0.045 | 0.051 | 0.055 | 0.067 | 0.08 | |
| Thread Size d | 1/4 | 16# | 18# | 5/16 | 20# ② | 24# ② | 3/8 | 7/16 | 1/2 | |
| d | Nominal Size | 0.25 | 0.268 | 0.294 | 0.3125 | 0.32 | 0.372 | 0.375 | 0.4375 | 0.5 |
| PP | UNC | 20 | - | - | 18 | - | - | 16 | 14 | 13 |
| dk | Ref. | 0.396 | 0.423 | 0.661 | 0.494 | 0.505 | 0.587 | 0.593 | 0.691 | 0.79 |
| dc | max | 0.576 | 0.617 | 0.676 | 0.719 | 0.736 | 0.854 | 0.861 | 1.004 | 1.146 |
| min | 0.548 | 0.588 | 0.646 | 0.687 | 0.703 | 0.818 | 0.825 | 0.963 | 1.101 | |
| k | max | 0.17 | 0.182 | 0.199 | 0.211 | 0.216 | 0.251 | 0.253 | 0.294 | 0.335 |
| min | 0.157 | 0.168 | 0.185 | 0.197 | 0.202 | 0.236 | 0.238 | 0.278 | 0.319 | |
| c | Ref. | 0.05 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.07 | 0.09 |
| n | max | 0.075 | 0.075 | 0.084 | 0.084 | 0.084 | 0.094 | 0.094 | 0.094 | 0.106 |
| min | 0.064 | 0.064 | 0.072 | 0.072 | 0.072 | 0.081 | 0.081 | 0.081 | 0.091 | |
| t | max | 0.098 | 0.105 | 0.113 | 0.118 | 0.125 | 0.137 | 0.139 | 0.165 | 0.18 |
| min | 0.083 | 0.088 | 0.094 | 0.1 | 0.115 | 0.115 | 0.117 | 0.14 | 0.155 | |
②,7#, 14#, 16#, 18#, 20#, 24# are for tapping screws only.
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PRODUCT DETAILS
PRODUCT ADVANTAGES
ADVANTAGES OF Slotted Round Head Machine Screws
1. It is also known as the flat head screw, and the head should be flush with the object’s surface. It needs a countersunk hole for fastening.
2. There is a slightly rounded shape in the flat part of the screws.
3. The length from the tip of the thread to the flange is the standard length of the machine screw. We have screws of different dimensions.
4. As machine screws, the machine screw round head have mostly small sizes, they are useful for different purposes.
5. Our slotted round head screws are made of quality steel that does not rust easily.
6. You will find competitive pricing by placing a bulk order.
QUALITY INSPECTION
PACKAGING & CONTAINER LOADING
USAGE SCENARIOS
WHY CHOOSE AYA?
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