Made to Your Drawing
Specify head shape, drive, thread, material and finish. We review the drawing and manufacturing requirements before quotation.
ASTM A325 / F3125

| standard | ASTM A325 / F3125 |
| diameter | 1/2"–1-1/2" |
| grade | Type 1 / Type 3 |
| material | Medium Carbon Steel / Weathering Steel |
| thread | UNC |
| finish | HDG / Zinc / Plain |
| MOQ | 200 pcs |
| custom | Available |

Standard hex head bolt per GB/T 5782, widely used in general engineering and structural connections.

Partial thread hex head bolt per DIN 931 (ISO 4014), the most widely used bolt standard internationally.

Full thread hex head bolt per DIN 933 (ISO 4017), fully threaded for through-bolt connections.
Review coating processes, inspection requirements and application conditions together before placing a bulk order.
Prepare drawings, acceptance requirements and delivery information so a custom fastener enquiry can be reviewed efficiently.
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Your selections will be carried into the RFQ form.