Fastener Gripper for Automated Assembly | Component Specifications

Product Specifications

Technical details and manufacturing context for Fastener Gripper

Definition

The fastener gripper is a critical sub-component of a fastening end-effector, typically found on robotic arms or automated assembly systems. Its primary function is to reliably grasp, retain, and accurately present fasteners (such as screws, bolts, nuts, or rivets) to the target location, ensuring proper alignment for the subsequent fastening tool (e.g., screwdriver, nutrunner). It acts as the interface between the fastener supply system and the fastening tool, enabling precise, automated assembly.

This component is designed for use in machinery and equipment manufacturing, where it contributes to the automation of fastening processes. The gripper is available in configurations that use mechanical, pneumatic, or magnetic mechanisms to secure fasteners. Common designs include spring-loaded or pneumatically actuated jaws that close around the fastener's head or shank. The end-effector positions the gripper over a fastener from a feeder, activates the clamping mechanism, and then moves the fastener to the workpiece. Once aligned, the fastening tool engages the fastener through or past the gripper to perform the tightening or installation. The gripper then releases the fastener and retracts.

Key parameters for selection include gripping force (50–200 N), fastener diameter range (3–12 mm), positioning repeatability (±0.05 mm), operating temperature range (-40–85 °C), ingress protection rating (IP54–IP65, per IEC 60529), weight (0.5–1.5 kg), supply voltage (24 ±10% V DC), cycle life (1–5 million cycles), air consumption (0.1–0.5 L/min), and material (aluminum body, steel gripping jaws). These values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The gripper is typically made from tool steel, aluminum alloy, or engineering plastic, depending on the design.

For integration, the gripper must be compatible with the end-effector's control system and pneumatic or electrical supply. Verification questions include: What is the exact gripping force for the target fastener? Does the operating pressure meet the required standard? What is the actual cycle life under expected load conditions? Maintenance signals include reduced gripping force, misalignment, or visible wear on jaws. Failure boundaries include operation outside the specified temperature or pressure ranges, which may lead to loss of grip or damage. Always confirm model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

The gripper typically uses a mechanical, pneumatic, or magnetic mechanism to secure the fastener. A common design involves spring-loaded or pneumatically actuated jaws that close around the fastener's head or shank. The end-effector positions the gripper over a fastener from a feeder. The gripper's mechanism activates to clamp and hold the fastener. The end-effector then moves the gripper and fastener to the target workpiece. Once aligned, the fastening tool engages the fastener through or past the gripper to perform the tightening or installation. The gripper then releases the fastener and retracts.

Common Materials

Tool Steel, Aluminum Alloy, Engineering Plastic

Technical Parameters

Parameter	Typical range	Notes & selection driver
Gripping Force	50–200 N	Required to hold fastener securely during assembly
Fastener Diameter Range	3–12 mm	Covers common screw and bolt sizes
Positioning Repeatability	±0.05 mm	Ensures consistent fastener placement
Operating Temperature Range	-40–85 °C	Suitable for industrial environments
Ingress Protection Rating	IP54–IP65	Protects against dust and water jetsIEC 60529
Weight	0.5–1.5 kg	Affects end-effector dynamics
Supply Voltage	24 ±10% V DC	Standard industrial voltage
Cycle Life	1–5 million cycles	Depends on maintenance and load
Air Consumption	0.1–0.5 L/min	At operating pressure
Material	Aluminum/Steel	Aluminum body, steel gripping jaws

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Gripper Jaw Part
The contact surface that physically clamps onto the fastener. Often replaceable and shaped to match specific fastener heads.

Material: Tool Steel or Carbide
Actuation Mechanism
The system (pneumatic cylinder, electric motor, solenoid) that provides the force to open and close the gripper jaws.

Material: Aluminum Alloy, Steel
Body/Housing Part
The main structural frame that houses the internal mechanism and provides mounting points to the end-effector.

Material: Aluminum Alloy or Steel
Spring Optional
Keeps the jaws closed on the fastener without air on spring-loaded builds.
Magnet Optional
Holds a steel fastener by magnetic force where no jaws close on it.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Fastening End-Effector

View system integration details

Manufacturers of Fastener Gripper

Manufacturer profiles associated with Fastener Gripper.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

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Frequently Asked Questions

What is the gripping force range of this fastener gripper?

The gripping force is specified as 50–200 N, but this is a reference range. The actual force required depends on the fastener size and weight. Always verify the exact value for your specific model and application with the legal manufacturer or supplier.

What fastener sizes can this gripper handle?

The fastener diameter range is 3–12 mm, covering common screw and bolt sizes. However, this is a general range; confirm compatibility with your specific fasteners and the gripper model.

What is the operating pressure and does it comply with any standard?

This standard is a procurement reference, not a certification. Verify that the gripper's pressure rating meets your system requirements and that the standard is applicable to your application.

What is the ingress protection rating and why is it important?

The ingress protection rating is IP54–IP65 per IEC 60529, indicating protection against dust and water jets. This is important for industrial environments. Confirm the specific rating for your model and ensure it matches your operating conditions.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0 to 10 bar
other spec:	Grip force: 50-500 N, Cycle rate: ≤60 cycles/min
temperature:	-20°C to 120°C

Fastener Gripper

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards