Drop-In Anchor Custom

Home / Product / Drop-In Anchor
  • Drop-In Anchor
  • Drop-In Anchor
  • Drop-In Anchor Yuyao Nanshan Development Co., Ltd.
  • Drop-In Anchor Yuyao Nanshan Development Co., Ltd.

Drop-In Anchor

PRODUCT INFORMATION: Force of the gecko's strong general for solid media products, such as concrete, stone, and so on. Among them, the short Force of the gecko or depth for deep hole wrong hole, a short length within the force geckos for shallow buried in the depth of Solid media applications, long and short concrete pillars and stones and so perfect. Gecko internal thread within the force, each 100 product with a dozen shots, stuffed the appropriate depth using the product expansion. Gecko is commonly used in high-force Office equipment, including hanging pipes, pipelines, machinery, and equipment.

FEATURE: The product has good resistance to thickness, is shock-resistant, wind-resistant, anti-fracture, solid and durable, easy to install, and easy to expand.

MADE OF: Stainless, carbon steel, and other metal materials.

01Production Information 02Inquiry

NO.

Specifications

Aperture(IN)

Thread Depth(IN)

CASE/BOX

Weight (kg/box)

D14N

1/4

3/8

1/2

100/1000

13.06

D38N

3/8

1/2

13/16

100/1000

28.67

D12N

1/2

5/8

15/16

50/500

26.22

D58N

5/8

7/8

13/16

25/250

39.46

D34N

3/4

1

113/16

25/100

21.77

D38SN

3/8

1/2

1/2

100/1000

19.05

1. Drill holes on the base according to
the required diameter and depth
2. Move debris and clean small holes 3. Use a pole tool and tap the forced gecko into the hole 4. Tighten the screws with a wrench

Batting

NO.

Thousand Piece Weight(kgs)

DT14N

13.06

DT38N

28.67

DT12N

52.44

DT58N

157.85

DT34N

217.73

Product introduction: Due to the requirement of forced gecko expansion, the rod must be used in every specification and model. Incorrect use of the correct tool may also lead to installation failure. Therefore, it is necessary to correctly match and apply it.

Drop-In Anchors: Zero-Drilling Precast Fastening

Revolutionary no-drill fastening system engineered specifically for precast concrete manufacturing. Simply drop anchors into pre-drilled holes—no equipment, no noise, no substrate damage. Achieve 30-60 second installation with proven 4-35kN load capacity. Transform your precast assembly process with world-class rapid-deployment technology.

30-60 Seconds
Install Time
Zero Drilling
No Equipment
8-20mm
Size Range
4-35kN
Load Capacity

Precast & Modular Applications

01

Precast Panel Manufacturing

Perfect for precast concrete factory assembly. Drop anchors in factory-drilled holes for rapid fixture installation. Dramatically reduces assembly time without quality compromise.

02

Modular Construction

Enables rapid assembly of modular building systems. Perfect for temporary and permanent fixture mounting on precast modules.

03

Cable & Conduit Management

Secures cable trays, conduit systems, and electrical infrastructure in precast structures with zero drilling damage.

04

Facade & Curtain Wall Systems

Anchors fixed glazing and architectural elements to precast panels with clean, aesthetic installation.

05

Precast Bridge Components

Rapid installation on bridge deck elements and structural components. Speeds field assembly without installation compromise.

06

Temporary & Emergency Infrastructure

Enables ultra-rapid deployment for disaster response and emergency facility establishment.

Technical Specifications

Diameter Range
8mm - 20mm (standard precast sizes)
Load Capacity
4kN (8mm) to 35kN (20mm)
Installation Method
Zero-drilling - direct insertion only
Material Grade
Carbon steel 4.8/8.8, stainless options
Hole Tolerance
±0.5mm (precision critical)

Precast Performance Data

Installation Time 30-60 seconds per unit
Equipment Required None (zero equipment)
Tensile Strength 400-640 MPa (grade dependent)
Hole Precision ±0.5mm tolerance required
Vibration Performance Good in rigid structures
Service Life 15-25 years typical

Zero-Drilling Technology Advantage

Drop-In Installation

No drilling equipment required. Simply align anchor with precast hole and drop in place. Gentle tapping acceptable if needed, but typically unnecessary.

Installation noise negligible—perfect for production facilities requiring acoustic control. No dust generation—maintains clean factory conditions.

Eliminates drilling risk to surrounding concrete structure. No substrate damage risk. Perfect for precision precast manufacturing environments.

Manufacturing Compatibility

Engineered specifically for controlled factory hole placement. Works perfectly with CNC drilling and precision hole placement in precast plants.

Hole dimensional consistency ensures predictable performance. No drilling variables to affect load capacity. Every installation identical to specification.

Factory quality control maintained throughout assembly process. Enables high-volume precast manufacturing with consistent results.

Speed & Efficiency Metrics

Installation Speed

30-60 Sec

Per anchor installation and fastener tightening. Versus 5-10 minutes for traditional drilling.

Labor Savings

90-95%

Reduction in installation time per anchor compared to drilled alternatives. Massive cumulative savings on large projects.

Equipment Elimination

Zero Cost

No drilling equipment needed. No drill bit consumables. No equipment maintenance required for installation.

Project Acceleration

Significant

Multiple anchors installed per minute in precast plants. Project completion acceleration compounds across large facilities.

Quality Consistency

Excellent

Identical installation across all anchors. No drilling variability. Predictable performance on every installation.

Safety Enhancement

Superior

No drilling hazards. Eliminates dust exposure. Reduces worker fatigue from equipment operation.

Economic & Cost Analysis

Direct Labor Savings

  • 90-95% time reduction per anchor
  • Massive labor cost avoidance
  • Scaling benefit on large projects
  • Skilled worker requirement eliminated
  • ROI on large installations

Equipment & Overhead Savings

  • Zero drilling equipment cost
  • No drill bit consumables
  • No equipment maintenance
  • Factory productivity increase
  • Facility downtime elimination

Quality & Liability

  • Consistent installation quality
  • No drilling damage repairs
  • No substrate integrity issues
  • Predictable performance
  • Risk reduction value

Six Key Advantages

1

Zero Equipment Required

No drilling tools, compressors, or specialized equipment. Simply hand-place anchors. Perfect for factory assembly lines without drilling infrastructure.

2

Ultra-Rapid Installation

30-60 seconds per anchor including fastener tightening. Install dozens per hour. Perfect for high-volume precast manufacturing.

3

Zero Substrate Damage

No drilling impact on surrounding concrete. Preserves structural integrity. Eliminates repair costs. Safe for precision precast elements.

4

Superior Quality Control

Consistent performance across all installations. No drilling variables. Factory precision drilling combined with drop-in reliability.

5

Lower Labor Requirements

Unskilled labor capable of installation. Minimal training required. No specialized technician expertise needed for rapid assembly.

6

Cost-Effective Solution

90-95% labor time savings per anchor. Equipment cost elimination. Break-even on moderate-scale projects. ROI on large installations.

Ideal Project Profiles

High-Volume Precast Factories

Manufacturing facilities producing multiple precast elements daily. Drop-in anchors accelerate assembly by 90+% and reduce labor requirements.

Modular Building Systems

Modular construction manufacturers benefit from rapid fixture installation. Perfect for temporary and permanent attachment points on modules.

Rapid Deployment Projects

Emergency infrastructure, temporary facilities, and disaster response benefit from ultra-fast installation with zero equipment requirements.

Facade & Aesthetic Applications

Architectural projects requiring clean installations. Zero drilling damage, aesthetic appearance, and hidden fastening capability.

Large-Scale Infrastructure

Bridge components, parking structures, and commercial buildings benefit from accelerated assembly and reduced labor costs.

Cost-Sensitive Projects

Projects where labor cost reduction is critical benefit from 90-95% installation time savings and equipment cost elimination.

Drop-In vs. Alternative Precast Fastening

Factor Drop-In Anchor Drilled Anchor Cast-In Socket
Installation Time 30-60 seconds 5-10 minutes Pre-cast (variable)
Equipment Required None Drill + bits None
Labor Cost Minimal Significant Moderate
Substrate Damage Risk Zero High None
Flexibility High (post-cast) Post-cast Pre-cast (inflexible)
Load Consistency Excellent Variable Good
Cost Efficiency Outstanding Moderate Varies

Frequently Asked Questions

Are drop-in anchors suitable for cast-in-place concrete?

No. Drop-in anchors require pre-drilled holes with precise diameter tolerances (±0.5mm). They are designed exclusively for precast applications where holes are factory-drilled. Cast-in-place installations require alternative anchoring methods such as drilled or chemical anchors.

What hole tolerance is critical for performance?

±0.5mm tolerance is essential for reliable performance. Oversized holes reduce load capacity and vibration damping. Undersized holes can damage anchors during insertion. Coordinate hole drilling specifications with precast manufacturers for precision placement. Quality control during hole drilling is critical.

How much labor cost is saved?

Typical savings are 90-95% reduction in installation time. Drop-in requires 30-60 seconds per unit. Drilling requires 5-10 minutes per hole. Labor cost avoidance is substantial on large precast projects with hundreds or thousands of fixtures.

Can drop-in anchors handle vibration?

Drop-in anchors perform well in moderate vibration with rigid structures. For high-frequency or severe vibration applications, consider upgraded anchor designs or chemical anchors. Consult technical team for dynamic loading requirements. Performance depends on load magnitude and frequency characteristics.

What installation procedures are critical?

Key requirements: (1) Verify hole cleanliness before insertion, (2) Align anchor straight with hole, (3) Drop gently (tapping acceptable if needed), (4) Verify flush positioning with surface, (5) Apply proper torque to fastener. Follow installation documentation carefully for optimal performance.

Are non-standard hole sizes available?

Standard sizes (8-20mm) are available for volume applications. Custom anchor diameters are possible but require minimum orders and extended lead times. Coordinate specialty sizes with precast manufacturers during design phase. Custom engineering consultation available.
Yuyao Nanshan Development Co., Ltd.
About Nanshan

Yuyao Nanshan Development Co., Ltd.

Yuyao Nanshan Development Co., Ltd. was established in 1999 and is located in Ningbo with elegant and charming environments and enjoys convenient transportation.
Yuyao Nanshan Development Co., Ltd. is China Drive-In Anchors Manufacturers and Wholesale Drop-In Anchor Suppliers, specializes in producing Drive-In Anchors with professional production equipment. Nanshan has strong technologies with advanced facilities and imported automatic production machines and inspection equipment. Nanshan also is using the ERP to control the production process line and has set up a research & development center for continued innovation and to meet the requirements of more and more customers from all over the world.
Our products extensively are used in steel high constructions, tunnel projects, bridges, railways, airport stations, high way, sea ports, nuclear power plants,s and so on. And it sold to USA market and Europe market morely and Asia, that all makes customers satisfied exactly.
Yuyao Nanshan Development Co., Ltd. adheres to the principle of “quality the eternal base, credit forever pursuit”, we will spare no effort to provide our customers with more stable quality and more wonderful service. We welcome domestic and overseas customers to contact us for more information and business opportunities.

Witness strength

Honorary Qualifications

Update news
NEWS AND BLOG
Drop-In Anchor Industry knowledge

Application scope of drop-in anchor

In the field of modern construction engineering, the selection of fixings and connectors is crucial and directly affects the safety and durability of engineering structures. Since its establishment in 1999, Yuyao Nanshan Development Co., Ltd. has been committed to providing high-quality and high-performance fixing products to global customers with its outstanding performance in the fastening connector industry. As one of the company's flagship products, the drop-in anchor has become the preferred solution for many engineering projects with its outstanding design, excellent performance and wide application areas.
Yuyao Nanshan Development Co., Ltd. is located in the picturesque Ningbo area. It is equipped with advanced production equipment and a professional R&D team, focusing on the production of high-quality drop-in anchors. These anchors are made of high-strength alloy materials, have excellent corrosion resistance and wear resistance, and can provide stable and reliable fixing effects in various complex environments. The company fully implements the ERP system to manage the production line to ensure that every product is strictly quality controlled, thus winning wide trust and praise from domestic and foreign customers.
The application scope of drop-in anchors is extremely wide, covering almost all engineering fields that require fixing and connection. In steel structure high-rise buildings, drop-in anchors can effectively ensure the overall stability and safety of the building structure. As the height of buildings continues to increase, the requirements for fixings are becoming more and more stringent. With its high strength and excellent corrosion resistance, the inserted anchor bolts can maintain a stable fixing effect in extreme environments, providing a solid safety guarantee for the building structure.
In tunnel and bridge projects, inserted anchor bolts also play an important role. Such projects are often carried out in complex geological environments, so the performance requirements for fixings are extremely strict. With its excellent tensile strength and shear strength, the inserted anchor bolts provide a stable fixing effect during the construction of tunnels and bridges, ensuring the overall stability and safety of the engineering structure.
In addition, inserted anchor bolts are also widely used in many fields such as railways, airport stations, highways, seaports and nuclear power plants. In railway projects, drop-in anchors ensure a firm connection between the track and the sleepers, thereby improving the safety and stability of the railway system; in airport station projects, drop-in anchors can ensure the firm fixation of various equipment and facilities, thereby improving the operating efficiency and safety of airport stations; in highway and seaport terminal projects, drop-in anchors ensure the overall stability of roads and terminals, promoting the safety and efficiency of transportation; in nuclear power plant projects, drop-in anchors ensure the firm fixation of various equipment and pipelines, thereby improving the safety and reliability of nuclear power plants.

How does Drop-In Ancho ensure the safety of engineering structures

In the field of construction engineering, the safety of engineering structures is of vital importance, and the selection of fixings and connectors is the core element to ensure structural safety. Yuyao Nanshan Development Co., Ltd., as a pioneer in the fastening connector industry, has been committed to providing high-quality, high-performance fixing products to global customers since its establishment in 1999.
Yuyao Nanshan Development Co., Ltd. is located in the picturesque Ningbo area. It has advanced production equipment and a professional R&D team, focusing on the production of high-quality Drop-In Anchors. Made of high-strength alloy materials, these anchors have excellent corrosion resistance and wear resistance, and can provide stable and reliable fixing effects in various complex environments. These characteristics make Drop-In Anchor play an indispensable role in ensuring the safety of engineering structures.
The high-strength characteristics of Drop-In Anchor are the basis for ensuring the safety of structures. In engineering structures, fixings need to withstand loads from all directions, including tension, pressure and shear. With its high-strength alloy material, Drop-In Anchor can withstand huge loads and ensure that the structure remains stable in various extreme environments. This high-strength characteristic is particularly important in projects such as high-rise buildings, bridges and tunnels, because these projects often need to be carried out under complex geological and climatic conditions, and the performance requirements of fixings are extremely strict.
Corrosion resistance is another key factor for Drop-In Anchor to ensure structural safety. In corrosive environments such as marine environments and industrial pollution areas, fixings are easily damaged by corrosion, resulting in performance degradation or even failure. Made of highly corrosion-resistant alloy materials, Drop-In Anchor can maintain stable performance in corrosive environments to ensure the long-term safety of the structure. This anti-corrosion property is particularly important in projects such as seaports, chemical plants, etc., because these projects often face harsh corrosive challenges.
In terms of design, Drop-In Anchor fully considers the convenience of construction and the accuracy of installation. The installation accuracy of the fixings directly affects the overall stability of the structure, and the Drop-In Anchor adopts a plug-in design, which makes the installation process simple and fast, significantly shortening the construction period. At the same time, its precise size and tolerance control ensures the accuracy of the installation process and reduces the structural safety hazards caused by improper installation.