Expansion Eye Hook Anchor Bolts
PDM-Racing
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Concrete Anchor Bolt with Hook
Expansion Hook Anchor Title
High Strength Expansion Wall anchor eye hook bolt nut washer M6 M8 M10 OEM & Custom eye hook expansion bolt
Heavy duty anchor with hooks or j hook bolt with nut and washer
Core Functions Include:
Core structure: Hook/ring head+threaded rod+expansion sleeve+conical expansion core+nut washer.
Working principle: Tighten the nut to pull the expansion core upward, stretch the sleeve to squeeze the hole wall, and form a mechanical lock+friction double anchorage.
Common materials: carbon steel (galvanized/color zinc), 304/316 stainless steel;
Specification: M6-M16, length 60-150mm.
Hook Type:Closed Hook,Spring Hook,Normal Opening Hook,Small Opening Hook,Ring Hook,etc;
Surface Treatment:(Yellow/White/Blue)Zinc Plated,Plain,etc;
Closed Hook expansion hook bolt: The hook opening is completely closed, forming an O/ring shape with no open gaps, also known as a Ring Eye.
Features: highest safety, anti detachment, strong load-bearing capacity; The hanging should be inserted through the ring mouth and cannot be directly inserted.
Application: High altitude lifting, swing/fitness equipment, safety rope fixation, heavy-duty lifting points;
| Heavy Duty Expansion Screw Main Dimensions (Unit:mm) | |||||||
| Thread Size | Hook Dia.(D) | d | L | L1 | Thread Pitch | Hook Type | Material |
| M6 | 12.3 | 9.5 | 90 | 40 | 1.0/Coarse Thread | Closed Hook | 304 Stainless Steel |
| M8 | 18.3 | 11.5 | 105 | 48 | 1.25/Coarse Thread | Closed Hook | 304 Stainless Steel |
| M10 | 20 | 13.5 | 115 | 50 | 1.5/Coarse Thread | Closed Hook | 304 Stainless Steel |

Spring Hook expansion anchor for concrete: The hook mouth is equipped with an elastic locking plate/spring buckle, which can be manually opened and released to close, and belongs to a semi closed safety hook.
Features: Convenient opening and closing, anti detachment, and quick hanging/disassembling; The locking plate needs to be replaced after fatigue.
Application: Temporary hanging, tent/rope fixation, light lifting, frequent disassembly and assembly scenarios;
| Heavy Duty Expansion Screw Main Dimensions (Unit:mm) | |||||||
| Thread Size | Hook Opening (D) | d | L | L1 | Thread Pitch | Hook Type | Material |
| M8 | 18 | 11.5 | 113 | 48 | 1.25/Coarse Thread | Spring Hook | SS304 |

Normal Open Hook concrete anchor bolt with hook: The hook opening is open without a locking buckle, in a C/J shape, with an opening angle of about 30 ° -60 °, the most basic version.
Features: fastest installation, low cost, can be directly inserted into ropes/rings; Easy to detach, not suitable for heavy load/vibration environments.
Application: Home clothes hanging, flower pot/lighting hanging, lightweight pipe fixing, low load scenarios.
| Heavy Duty Expansion Screw Main Dimensions (Unit:mm) | |||||||
| Thread Size | Hook Opening (D) | d | L | L1 | Thread Pitch | Hook Type | Material |
| M6 | 20 | 9.5 | 90 | 40 | 1.0/Coarse Thread | Normal Opening | SS201/SS304 |
| M8 | 23 | 11.5 | 105 | 48 | 1.25/Coarse Thread | Normal Opening | SS201/SS304 |
| M10 | 20 | 13.5 | 118 | 50 | 1.5/Coarse Thread | Normal Opening | SS201/SS304 |
| M12 | 25 | 15.5 | 136 | 55 | 1.75/Coarse Thread | Normal Opening | SS201/SS304 |

Small Hook expansion bolt hook type: The hook body size is reduced, the ring diameter/opening is smaller, the screw is short and thin, and the specifications are mostly M6-M8, with a length of 60-80mm.
Features: Compact and lightweight, small installation space, low load-bearing capacity (≤ 50kg); Suitable for thin walls/lightweight substrates.
Application: photo frame/decorative painting, small pendant, cable fixing, lightweight storage rack.
| Heavy Duty Expansion Screw Main Dimensions (Unit:mm) | ||||||||
| Thread Size | Hook Dia.(D) | d | Hook Opening (W) | L | L1 | Thread Pitch | Hook Type | Material |
| M6 | 13.5 | 9.5 | 10 | 90 | 40 | 1.0/Coarse Thread | Small Opening | 304Stainless Steel |
| M8 | 17.5 | 11.5 | 13 | 113 | 48 | 1.25/Coarse Thread | Small Opening | 304Stainless Steel |
| M10 | 19.5 | 13.5 | 13 | 123 | 50 | 1.5/Coarse Thread | Small Opening | 304Stainless Steel |

Ring Hook concrete receiving anchor hooks: The head is a complete eye ring without a hook opening, similar to a closed hook but with a larger ring diameter, welded/integrally formed.
Features: 360 ° force bearing, no stress concentration, strongest load-bearing capacity, rotatable and adaptable tensile direction.
Application: Heavy machinery lifting, construction embedded parts, port/mine lifting points, high load fixation.
| Heavy Duty Expansion Screw Main Dimensions (Unit:mm) | ||||||||
| Thread Size | Hook Inner Dia.(D1) | d | D2 | L | L1 | Thread Pitch | Hook Type | Material |
| M6 | 17.61 | 9.5 | 26.46 | 50 | 37 | 1.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M6 | 17.61 | 9.5 | 26.46 | 60 | 45 | 1.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M6 | 17.61 | 9.5 | 26.46 | 70 | 55 | 1.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M6 | 17.61 | 9.5 | 26.46 | 80 | 65 | 1.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M6 | 17.61 | 9.5 | 26.46 | 100 | 85 | 1.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M6 | 17.61 | 9.5 | 26.46 | 120 | 105 | 1.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M6 | 17.61 | 9.5 | 26.46 | 150 | 135 | 1.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M8 | 21.11 | 11.5 | 33.55 | 50 | 37 | 1.25/Coarse Thread | Round Hook | 304Stainless Steel |
| M8 | 21.11 | 11.5 | 33.55 | 60 | 40 | 1.25/Coarse Thread | Round Hook | 304Stainless Steel |
| M8 | 21.11 | 11.5 | 33.55 | 70 | 50 | 1.25/Coarse Thread | Round Hook | 304Stainless Steel |
| M8 | 21.11 | 11.5 | 33.55 | 80 | 60 | 1.25/Coarse Thread | Round Hook | 304Stainless Steel |
| M8 | 21.11 | 11.5 | 33.55 | 90 | 70 | 1.25/Coarse Thread | Round Hook | 304Stainless Steel |
| M8 | 21.11 | 11.5 | 33.55 | 100 | 80 | 1.25/Coarse Thread | Round Hook | 304Stainless Steel |
| M8 | 21.11 | 11.5 | 33.55 | 120 | 100 | 1.25/Coarse Thread | Round Hook | 304Stainless Steel |
| M8 | 21.11 | 11.5 | 33.55 | 150 | 130 | 1.25/Coarse Thread | Round Hook | 304Stainless Steel |
| M8 | 21.11 | 11.5 | 33.55 | 200 | 180 | 1.25/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 60 | 40 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 70 | 50 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 80 | 60 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 90 | 70 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 100 | 80 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 100 | 90 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 120 | 100 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 150 | 130 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 200 | 180 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 250 | 230 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M10 | 25.85 | 13.5 | 39.47 | 300 | 280 | 1.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 70 | 50 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 80 | 60 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 90 | 70 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 100 | 80 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 110 | 90 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 120 | 100 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 150 | 130 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 230 | 180 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 250 | 230 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M12 | 31.76 | 15.5 | 47.28 | 300 | 280 | 1.75/Coarse Thread | Round Hook | 304Stainless Steel |
| M14 | 34.58 | 17.5 | 50.02 | 80 | 60 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M14 | 34.58 | 17.5 | 50.02 | 100 | 80 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M14 | 34.58 | 17.5 | 50.02 | 120 | 100 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M14 | 34.58 | 17.5 | 50.02 | 150 | 130 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M14 | 34.58 | 17.5 | 50.02 | 200 | 180 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M14 | 34.58 | 17.5 | 50.02 | 250 | 230 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M14 | 34.58 | 17.5 | 50.02 | 300 | 280 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M16 | 36.01 | 19.5 | 54.99 | 80 | 60 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M16 | 36.01 | 19.5 | 54.99 | 100 | 80 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M16 | 36.01 | 19.5 | 54.99 | 120 | 100 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M16 | 36.01 | 19.5 | 54.99 | 150 | 120 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M16 | 36.01 | 19.5 | 54.99 | 200 | 180 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M16 | 36.01 | 19.5 | 54.99 | 250 | 230 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M16 | 36.01 | 19.5 | 54.99 | 300 | 280 | 2.0/Coarse Thread | Round Hook | 304Stainless Steel |
| M18 | 35.54 | 21.5 | 59.25 | 100 | 80 | 2.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M18 | 35.54 | 21.5 | 59.25 | 120 | 100 | 2.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M18 | 35.54 | 21.5 | 59.25 | 150 | 130 | 2.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M18 | 35.54 | 21.5 | 59.25 | 200 | 180 | 2.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M20 | 42.35 | 23.5 | 63.84 | 100 | 80 | 2.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M20 | 42.35 | 23.5 | 63.84 | 120 | 100 | 2.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M20 | 42.35 | 23.5 | 63.84 | 150 | 130 | 2.5/Coarse Thread | Round Hook | 304Stainless Steel |
| M20 | 42.35 | 23.5 | 63.84 | 200 | 180 | 2.5/Coarse Thread | Round Hook | 304Stainless Steel |
Key points for installing and selecting anchor hooks for ceiling:
Substrate matching: only applicable to solid concrete/brick/stone; Hollow bricks/aerated concrete require specialized hollow anchor bolts.
Aperture control: Drilling diameter=outer diameter of casing, depth=casing length+10mm, clean the hole thoroughly.
Priority for preventing detachment:Closed/Ring Hook must be selected for high-altitude/manned/heavy-duty operations; Temporary/lightweight options include Spring/Normal Open Hook.

Keywords:
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