MTS Systems
Series 647 Hydraulic Wedge Grips
The Series 647 Hydraulic Wedge Grips are versatile, easy-to-load grips for a wide range of tensile and fatigue applications.
MTS Systems — 640.20B-X1, 640.20C-X3
Model 640 Fracture Mechanics Clevis Grips
The Model 640 Fracture Mechanics Clevis Grips are used for fracture toughness and fatigue crack growth rate tests. They are constructed from high-strength, aircraft-quality 4340 steel and are machined to the exacting tolerances required by ASTM.
Applications
Test types
Test specimens
Test standards
Brochures & Datasheets
Technical Specifications
Detailed Technical Specifications
| MODEL | SPECIMEN WIDTH | STATIC FORCE | PIN DIAMETER | MOUNTING THREAD |
|---|---|---|---|---|
| 640.20B-X1 | 12.7 mm (0.50 in) | 60 kN (13.6 kip) | 12.2 mm (0.48 in) | M27 x 2 (1”-14) |
| 640.20C-X3 | 25.4 mm (1.00 in) | 60 kN (13.6 kip) | 12.2 mm (0.48 in) | M27 x 2 (1”-14) |
Detailed Technical Specifications
| Temperature Rating | Temperature Rating | |||
|---|---|---|---|---|
| -129°C to 177°C | -200°F to 350°F | |||
| MODEL | METRIC PART NUMBER | MODEL | US CUSTOMARY PART NUMBER | |
| 640.20B-21 | 007-172-745 | 640.20B-01 | 007-172-741 | |
| 640.20C-03 | 007-172-743 | 640.20C-03 | 007-172-743 |
Specifications are taken from the official MTS product page and may change; please confirm with our team before ordering.
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