Cast-in-place concrete foundation anchoring bolts designed to anchor heavy columns.
J-Type Foundation Bolts are heavy duty rods bent in a 'J' hook pattern. Cast directly into wet concrete foundations, the hook provides high pullout resistance. They are extensively used to anchor steel building columns, street lighting poles, and heavy equipment systems.
Common Applications: Warehouse construction columns, industrial structural steel frames, cell tower foundations, and heavy machinery support anchoring.
Material availability: Grade 4.6, 5.6 Carbon Steel, SS304 and SS316. Threaded section zinc plated or HDG.
Inquire About J-Type Bolts| Bolt Dia & Pitch | Overall Length | Hook Length | Thread Length | Recommended Hole/Sleeve Size |
|---|---|---|---|---|
| M12 x 1.75 | 250 mm | 50 mm | 75 mm | 50 mm sleeve |
| M16 x 2.0 | 300 mm | 75 mm | 100 mm | 75 mm sleeve |
| M20 x 2.5 | 450 mm | 100 mm | 120 mm | 90 mm sleeve |
| M24 x 3.0 | 600 mm | 120 mm | 150 mm | 110 mm sleeve |
| M30 x 3.5 | 750 mm | 150 mm | 180 mm | 150 mm sleeve |