M10–M36
Hot-Dip Galvanized (HDG)Plain / Self-ColourZinc Plated (BZP)
J-type foundation (holding-down / anchor) bolts have a hooked embedded end that keys into the concrete, with a threaded projection for the nut. Cast into the foundation for columns, machinery bases and structural steel. Configure size and finish; total length and hook are made to your foundation drawing.
- ✓ Nationwide delivery
- ✓ MTR / test cert on request
- ✓ Quote within 1 business day
- ✓ Bulk & trade pricing
J-Type Foundation Bolt
J-bolt (hooked) holding-down / foundation bolts M10-M36, made to drawing.
Made to drawing (IS 5624 / AISC)
Configure & add to quote
Price on requestPick your exact spec — we reply with a price, usually within one business day.
Finish / coating
Hot-dip galvanized - the standard for embedded / exposed foundation bolts. Corrosion protection for the projecting thread.
Grade / class
Length
Made to your foundation drawing. Give total length, hook dimension and thread projection - or send the drawing with your quote.
No minimum order — buy by piece, box or bulk. Volume pricing on request.
Your selection: —
Added items go to your quote list — send everything as one request.
Recommended matching nut
Supplied with nut(s) + washer / plate as specified. Why it matters →
Specification
| Type | J-Type Foundation Bolt |
|---|---|
| Product standard | Made to drawing (IS 5624 / AISC) |
| Strength standard | ISO 898-1 |
| Grades / classes | 4.6, 8.8 |
| Size range | M10 – M36 |
| Head | J-hook (embedded) |
| Drive | External thread + nut |
| Threading | Threaded projection |
Finishes explained
| Hot-Dip Galvanized (HDG) | Hot-dip galvanized - the standard for embedded / exposed foundation bolts. Corrosion protection for the projecting thread. (ISO 10684 / ASTM A153) |
|---|---|
| Plain / Self-Colour | Self-colour mild / high-tensile steel for embedded use where the projection is later grouted or coated. |
| Zinc Plated (BZP) | Zinc-plated for lighter-duty or indoor base fixings. (ISO 4042) |
Grades available depend on the finish — the configurator updates automatically.
J-Type Foundation Bolt size chart
| Size | Imperial (≈) | Coarse pitch (mm) | Stress area (mm²) |
|---|---|---|---|
| M10 | 3/8" | 1.5 | 58 |
| M12 | 1/2" | 1.75 | 84.3 |
| M14 | 9/16" | 2 | 115 |
| M16 | 5/8" | 2 | 157 |
| M18 | 11/16" | 2.5 | 192 |
| M20 | 3/4" | 2.5 | 245 |
| M22 | 7/8" | 2.5 | 303 |
| M24 | 1" | 3 | 353 |
| M27 | 1-1/16" | 3 | 459 |
| M30 | 1-3/16" | 3.5 | 561 |
| M33 | 1-5/16" | 3.5 | 694 |
| M36 | 1-7/16" | 4 | 817 |
Stress areas per ISO 898-1 coarse pitch — the same values behind our tensile-load calculator. Imperial sizes are the nearest equivalent, not exact conversions.
Need a non-standard j-type foundation bolt?
Special size, material, grade, finish, head or thread — we custom-build to your drawing or sample.
Common questions
Can you make foundation bolts to our drawing?
Yes - J-type, L-type, and plate / anchor-cage assemblies are fabricated to your GA / foundation drawing in 4.6 or 8.8 steel, with template plates if required. Send the drawing with your quote.
Do you deliver nationwide?
Yes - we ship to every city and industrial estate in Pakistan by road freight and trusted couriers, with same-day dispatch from Lahore on stock items.