Products Description
Round Head Cap Screws (pan-head machine screws/washer screws) comply with DIN7981 standards. With smooth rounded heads and precise machine threads, they provide steady clamping force, simple installation and clean appearance. Crafted from premium carbon/alloy steel with various strength levels and anti-corrosion coatings, they suit electronics, furniture, general machinery, cabinet hardware and light industrial equipment, combining high assembly efficiency, stable fastening and decorative finish.
Parameter
| Parameter Item | Specification Details |
|---|---|
| Executive Standard | DIN7981 |
| Official Name | Round head screws with cap |
| Alias | Round head machine screws, washer screws |
| Raw Material | Carbon steel, alloy steel |
| Strength Grades | Grade 4.8, Grade 5.8, Grade 8.8 |
| Nominal Diameter Range | M2 – M20 |
| Thread Pitch Range | 0.4mm – 2.5mm, standard coarse thread, fine thread customizable |
| Surface Treatment | ZP (Zinc Plated), YZ (Yellow Zinc Plated), BLACK (Black Oxide) |
| Drive Type | Standard Phillips cross recess for anti-slip torque transmission |
Features of capsized round head screws
Aesthetics
round head cap screws have a rounded head and a natural transition with the shaft, making the whole very aesthetically pleasing.
Good concealment
Due to the head with a circle, round head cap screws can hide the head in some occasions, making the installation more hidden.
Good fastening performance
in machinery, construction and other fields, these screws can withstand large tensile and shear forces, to ensure the stable operation of equipment.
Installation convenience
round head screws with caps are easy to install by hand, and are often used in occasions that require a certain degree of aesthetics or manual operation.
Our factory
How to Contact Us
We offer customized non-standard lengths, precise thread specifications, laser brand logos and OEM batch export packaging. For detailed size catalogues, technical load data and bulk purchase discount quotations, please contact us.
Phone Number
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