Hydraulic Universal Testing Machines (UTMs) from NextGen are engineered for high-force material testing across demanding industries like aerospace, automotive, construction, and metallurgy. To match the force and complexity of these applications, specialized grips and fixtures are required to deliver safe, accurate, and repeatable results. NextGen’s fixturing solutions for hydraulic UTMs are designed in full compliance with ASTM, ISO, DIN, and JIS standards, covering a wide range of tests including tensile shear, proof load, flexural bending, and rock or composite splitting.
Each fixture is fully compatible with NextGen’s hydraulic UTM systems, ensuring smooth integration and high durability even under daily intensive use. Whether you are testing fasteners, composites, or structural components, these grips and fixtures provide the reliability and performance necessary to meet modern testing demands.
The NGA106A Tensile Shear Fixture is designed for shear testing of steel welding mesh. With a maximum load capacity of up to 1000 kN, this fixture offers precise and repeatable performance for suspended clamping applications. It features hydraulic clamping from the upper grip and supports a variety of standard specimen diameters. The fixture conforms to GB/T 1499.3 and is engineered for use under ambient test conditions.
Parameter | Specification |
---|---|
Application | Shear test for steel welding mesh |
Maximum Force | ≤1000 kN |
Grip Weight | 10 kg |
Connection | Clamped by upper hydraulic grip |
Connecting Rod Diameter | Φ32 mm |
Grip Length (A) | 395 mm |
Groove Width (B) | 22 mm |
Grip Width (C) | 101 mm |
Working Temperature | Ambient |
Standard | GB/T 1499.3 |
Clamping Mode | Suspended |
Minimum Test Space | 425 mm |
Specimen Diameter | Φ6, Φ8, Φ10, Φ12, Φ16 mm |
The NGA605A Proof Load Test Fixture is engineered for verifying the proof load strength of nuts under controlled tensile loading. Capable of handling up to 600 kN, this fixture complies with GB/T 3098.2-2010 and ISO 898-2012 standards. It is suitable for suspended clamping via hydraulic grips and supports a wide range of both standard and optional nut sizes, including fine thread options. This fixture is ideal for ensuring compliance with nut property class ≤10 specifications.
Parameter | Specification |
---|---|
Application | Proof load test for nuts |
Maximum Force | ≤600 kN |
Weight | Upper Grip: 12 kg Lower Grip: 12 kg |
Connection | Clamped by hydraulic grip |
Height (A / B) | Upper: 290 mm Lower: 290 mm |
Grip Width (C) | 67.5 mm |
Working Temperature | Ambient |
Standard | GB/T 3098.2-2010ISO 898-2012 |
Clamping Mode | Suspended |
Nut Property Class | ≤10 |
Standard Accessories | M6, M12, M16, M20 |
Optional Accessories | M5, M7, M8, M10, M14, M18, M22, M24, M27,M5–M27 with fine pitch thread |
The NGA206A Proof Load Test Fixture is designed for testing the tensile proof load capacity of nuts in compliance with GB/T 3098.2-2010 and ISO 898-2012 standards. With a robust load capacity of up to 2000 kN, this fixture accommodates larger nut sizes and higher force applications. It uses a hydraulic clamping system and operates under ambient conditions. The system supports both standard and optional thread sizes, including fine-pitch configurations, for broad testing coverage.
Parameter | Specification |
---|---|
Application | Proof load test for nuts |
Maximum Force | ≤2000 kN |
Weight | Upper Grip: 24 kg Lower Grip: 24 kg |
Connection | Clamped by hydraulic grip |
Height (A / B) | Upper: 375 mm Lower: 375 mm |
Grip Width (C) | 78 mm |
Working Temperature | Ambient |
Standard | GB/T 3098.2-2010ISO 898-2012 |
Clamping Mode | Suspended |
Nut Property Class | ≤10 |
Standard Accessories | M16, M20, M27, M36 |
Optional Accessories | M5–M39 incl. fine pitch: M5, M6, M7, M8, M10, M12, M14,M18, M22, M24, M30, M33, M39 and all fine threads |
The NGB605A Bolt and Nut Tensile Grip is a multifunctional fixture designed for tension, proof load, and wedge load testing of bolts and nuts. Engineered to handle up to 600 kN of force, it conforms to GB/T 3098.2-2010 and ISO 898-2012 standards. The system is suspended and clamped hydraulically for secure and accurate testing. It supports a wide variety of thread sizes, including both standard and fine pitch configurations, and is suitable for nut property class ≤10.9.
Parameter | Specification |
---|---|
Application | Tension, proof load, and wedge load test for bolts and nuts |
Maximum Force | ≤600 kN |
Weight | Upper Grip: 12 kg Lower Grip: 12 kg |
Connection | Clamped by hydraulic grip |
Height (A / B) | Upper: 290 mm Lower: 290 mm |
Grip Width (C) | 67.5 mm |
Working Temperature | Ambient |
Standard | GB/T 3098.2-2010ISO 898-2012 |
Clamping Mode | Suspended |
Nut Property Class | ≤10.9 |
Standard Accessories | M6, M12, M16, M20 |
Optional Accessories | M4–M27 incl. fine threads: M4, M5, M7, M8, M10, M14,M18, M22, M24, M27 and fine-pitch M4–M27 |
The table below shows the shortest acceptable specimen length (in mm) for various bolt thread specifications when performing wedge load, tensile, or stud tension tests. These lengths ensure the sample fits securely and performs accurately under load.
Specification | M4 | M5 | M6 | M7 | M8 | M9 | M10 | M12 |
---|---|---|---|---|---|---|---|---|
Specimen Length (mm) | 9 | 10 | 11 | 19 | 20 | 21 | 22 | 32 |
Specification | M14 | M16 | M18 | M20 | M22 | M24 | M27 |
---|---|---|---|---|---|---|---|
Specimen Length (mm) | 39 | 41 | 93 | 100 | 102 | 104 | 107 |
Load Configurations
The illustrations below depict the different configurations supported by the fixture for bolt and nut testing:
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Fig. 1 – Wedge Load | Fig. 2 – Bolt Tension | Fig. 3 – Stud Tension |
The NGB206A Bolt and Nut Tensile Grip is designed for high-force testing applications including tension, proof load, and wedge load testing of bolts and nuts. Supporting loads up to 2000 kN, this system is ideal for testing large-diameter fasteners in compliance with GB/T 3098.2-2010 and ISO 898-2012. With hydraulic clamping and suspended test mode, it ensures safe and repeatable results under ambient conditions. This grip supports nut property classes up to 12.9 and accommodates a wide range of standard and optional accessories.
Parameter | Specification |
---|---|
Application | Tension, proof load, wedge load test for bolts and nuts |
Maximum Force | ≤2000 kN |
Weight | Upper Grip: 24 kg Lower Grip: 24 kg |
Connection | Clamped by hydraulic grip |
Height (A / B) | Upper: 375 mm Lower: 375 mm |
Grip Width (C) | 78 mm |
Working Temperature | Ambient |
Standard | GB/T 3098.2-2010ISO 898-2012 |
Clamping Mode | Suspended |
Nut Property Class | ≤12.9 |
Standard Accessories | M16, M120, M27, M36 |
Optional Accessories | M5–M39 incl. fine threads: M5, M6, M7, M8, M10, M12, M14,M18, M22, M24, M30, M33, M39 and all fine pitch M5–M39 |
Specification | M4 | M5 | M6 | M7 | M8 | M9 | M10 | M12 | M14 | M16 |
---|---|---|---|---|---|---|---|---|---|---|
Specimen Length (mm) | 9 | 10 | 11 | 19 | 20 | 21 | 22 | 42 | 49 | 51 |
Specification | M18 | M20 | M22 | M24 | M27 | M30 | M33 | M36 | M39 |
---|---|---|---|---|---|---|---|---|---|
Specimen Length (mm) | 103 | 110 | 112 | 114 | 117 | 130 | 133 | 136 | 139 |
Load Test Configuration Illustrations
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Fig. 1 – Wedge Load | Fig. 2 – Bolt Tension | Fig. 3 – Stud Tension |
NextGen’s grips and fixtures for hydraulic universal testing machines are built to perform under extreme conditions while maintaining full compliance with leading international standards. These high-load solutions empower manufacturers, laboratories, and research institutions to conduct critical mechanical property evaluations with precision and confidence.
Whether you're upgrading existing systems or setting up a new testing lab, investing in advanced hydraulic fixturing from NextGen ensures long-term accuracy, reliability, and global testing compliance. Reach out to NextGen Material Testing Inc. today to enhance your testing capabilities.
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