Structural Heavy Hex Bolts
Heavy hex structural bolts for friction-type or bearing-type steel connections. Confirm design standard, strength grade, faying surface preparation and certificate requirements.
Key Parameters
Standard Basis
GB/T 1228
Common equivalents are listed below; confirm dimensions and drawing details before substitution.
Spec Range
M12–M30 · 53 sizes / 53 SKUs
Alloy Steel; Black Oxide
Grades
10.9S
Confirm grade together with mating nuts, washers and certificate requirements.
What to include
Quoted by full spec
Send diameter, length, property class, material and finish with your inquiry. A standard number alone (DIN/ISO/GB) also works, we confirm the equivalent dimensions before quoting.
Standard Equivalents
Cross-referenced equivalents, order to the primary standard
| Standard | Fit | Remark |
|---|---|---|
| GB/T GB/T 1228 | Identical family | Primary standard from source content |
| ISO ISO 7412 | Commercial equivalent | Common commercial equivalent; confirm heavy hex dimensions on order |
| DIN DIN 6914 | Commercial equivalent | Common commercial equivalent; confirm heavy hex dimensions on order |
Diameter
Length
Material
Thread Pitch
Heavy hex structural bolts for friction-type or bearing-type steel connections. Confirm design standard, strength grade, faying surface preparation and certificate requirements.
Spec Range
M12–M30 · 53 sizes
SKU Matrix
53 SKUs| SKU | Size (Dia × Len) | Material / Finish | Threading | Pitch | Unit Wt (g) | Action | |
|---|---|---|---|---|---|---|---|
 | HB-001538 | M12×30 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 1.75 | 42 Estimated | Request a Quote |
 | HB-001539 | M12×35 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 1.75 | 47 Estimated | Request a Quote |
 | HB-001540 | M12×40 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 1.75 | 51 Estimated | Request a Quote |
 | HB-001541 | M12×45 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 1.75 | 55 Estimated | Request a Quote |
 | HB-001542 | M12×50 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 1.75 | 60 Estimated | Request a Quote |
 | HB-001543 | M12×60 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 1.75 | 69 Estimated | Request a Quote |
 | HB-001544 | M12×70 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 1.75 | 78 Estimated | Request a Quote |
 | HB-001545 | M12×80 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 1.75 | 86 Estimated | Request a Quote |
 | HB-001546 | M16×40 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 98 Estimated | Request a Quote |
 | HB-001547 | M16×45 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 110 Estimated | Request a Quote |
 | HB-001548 | M16×50 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 110 Estimated | Request a Quote |
 | HB-001549 | M16×60 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 130 Estimated | Request a Quote |
 | HB-001550 | M16×70 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 150 Estimated | Request a Quote |
 | HB-001551 | M16×80 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 160 Estimated | Request a Quote |
 | HB-001552 | M16×90 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 180 Estimated | Request a Quote |
 | HB-001553 | M16×100 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 190 Estimated | Request a Quote |
 | HB-001554 | M16×110 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 210 Estimated | Request a Quote |
 | HB-001555 | M16×120 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.0 | 220 Estimated | Request a Quote |
 | HB-001556 | M20×45 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 180 Estimated | Request a Quote |
 | HB-001557 | M20×50 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 190 Estimated | Request a Quote |
 | HB-001558 | M20×60 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 220 Estimated | Request a Quote |
 | HB-001559 | M20×70 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 240 Estimated | Request a Quote |
 | HB-001560 | M20×80 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 270 Estimated | Request a Quote |
 | HB-001561 | M20×90 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 290 Estimated | Request a Quote |
 | HB-001562 | M20×100 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 320 Estimated | Request a Quote |
 | HB-001563 | M20×110 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 340 Estimated | Request a Quote |
 | HB-001564 | M20×120 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 370 Estimated | Request a Quote |
 | HB-001565 | M20×140 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 410 Estimated | Request a Quote |
 | HB-001566 | M20×160 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 2.5 | 460 Estimated | Request a Quote |
 | HB-001567 | M24×50 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 300 Estimated | Request a Quote |
 | HB-001568 | M24×60 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 340 Estimated | Request a Quote |
 | HB-001569 | M24×70 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 370 Estimated | Request a Quote |
 | HB-001570 | M24×80 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 410 Estimated | Request a Quote |
 | HB-001571 | M24×90 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 440 Estimated | Request a Quote |
 | HB-001572 | M24×100 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 480 Estimated | Request a Quote |
 | HB-001573 | M24×110 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 520 Estimated | Request a Quote |
 | HB-001574 | M24×120 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 550 Estimated | Request a Quote |
 | HB-001575 | M24×140 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 620 Estimated | Request a Quote |
 | HB-001576 | M24×160 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 690 Estimated | Request a Quote |
 | HB-001577 | M24×180 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 760 Estimated | Request a Quote |
 | HB-001578 | M24×200 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.0 | 830 Estimated | Request a Quote |
 | HB-001579 | M30×60 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 570 Estimated | Request a Quote |
 | HB-001580 | M30×70 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 620 Estimated | Request a Quote |
 | HB-001581 | M30×80 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 680 Estimated | Request a Quote |
 | HB-001582 | M30×90 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 730 Estimated | Request a Quote |
 | HB-001583 | M30×100 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 790 Estimated | Request a Quote |
 | HB-001584 | M30×110 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 840 Estimated | Request a Quote |
 | HB-001585 | M30×120 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 900 Estimated | Request a Quote |
 | HB-001586 | M30×140 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 1000 Estimated | Request a Quote |
 | HB-001587 | M30×160 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 1100 Estimated | Request a Quote |
 | HB-001588 | M30×180 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 1200 Estimated | Request a Quote |
 | HB-001589 | M30×200 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 1300 Estimated | Request a Quote |
 | HB-001590 | M30×240 | Alloy Steel· 10.9S· Black Oxide | Partially Threaded | 3.5 | 1500 Estimated | Request a Quote |