
Black Oxide Steel Round Pan Head Socket Screws Imperial UNC Sizes Rounded Head Screw
- Material
- Steel
- Thread series
- UNC
- Finish
- Black Oxide
Pan head Phillips machine screws for light-duty assembly, UNC and UNF from #2-56 to 1/4-20 plus metric M3–M8. Available in zinc plated carbon steel (Grade 4.8 / 8.8), 304 stainless and H59 / H62 brass. Fully threaded shanks suit tapped holes and nut-fastened joints in enclosures, electrical equipment and general machinery.



ASME

Grade 4.8

ASME B18.6.3 · Grade 8.8

ASME B18.6.3 · Grade 8.8

ASME

ASME



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Buying Guide
Share the standard, thread size, length, material, grade, finish and quantity. For non-standard parts, a drawing or sample helps us confirm production details faster.
Yes. We manufacture to drawing and to sample. Send your specification through the RFQ form and we will confirm feasibility, MOQ and lead time.
Material test certificates, dimensional inspection reports and coating reports are available on request, depending on the material and finish of your order.
MOQ depends on size, material and finish — standard catalog sizes start lower, and custom parts are quoted per drawing. Samples are available for most standard items; mention sampling when you send the RFQ and we will confirm.
Lead time is confirmed per order with your quotation. Coated and custom parts need additional production and surface-treatment time. Share your target delivery date in the RFQ and we will confirm whether we can meet it before you commit.
Drawing-led manufacturing
We manufacture standard and custom fasteners to order. Tell us the size, material, grade, finish and quantity — or send your drawing — and we will confirm MOQ and lead time.