Metal Fabrication · Cap Screws
ASTM A-325 Cap Screw (Black Iron)
ASTM A-325 Cap Screw (Black Iron) — ASTM A325 hex socket (allen) for machinery, tooling, dies and high-strength assembly. Stocked across common sizes and lengths.
Same-Day Quote · brand, spec & stock confirmed · delivered nationwide
Product details
Black iron A325 cap screws are supplied in structural diameters and lengths with matching heavy hex nuts and washers. The plain finish means they should be protected from prolonged moisture — for exposed outdoor work, the hot-dipped galvanized version is specified instead. See the specifications below for available sizes.
South-End supplies black iron A325 cap screws to fabricators and erectors nationwide from Cavite. Request a quote with your diameters, lengths and quantities and we will confirm stock, matching hardware and pricing.
Specifications
- Material
- Black iron (uncoated mild steel)
- Grade
- ASTM A325
- Drive / head
- Hex socket (Allen)
- Diameters
- 3/8" to 1" (M10–M24)
- Lengths
- 1" to 6"
- Thread
- Coarse
- Finish
- Black oxide / zinc
- Brand
- On request
- Category
- Metal Fabrication
- Subcategory
- Cap Screws
- Sold per
- pc
- Pricing
- Request a quote (RFQ)
- Delivery
- Nationwide, same-day quote
