ZSRX Hydraulic Direct Fit Wrench
The ZSRX Hydraulic Direct Fit Wrench is a high-performance tool engineered for precision fastening and loosening of bolts and nuts in hydraulic applications. It is designed to deliver maximum torque with minimal effort, making it ideal for heavy machinery maintenance, assembly lines, and any setting where reliable, robust torque application is required.
Key Features
- Direct Fit Design: The wrench features a direct-fit design that allows quick, easy attachment to fasteners, minimizing setup time and increasing efficiency during operation.
- Hydraulic Power: This type uses hydraulic technology to deliver high torque, making it suitable for heavy-duty applications where traditional tools may struggle.
- Compact and Lightweight: Despite its robust capabilities, the ZSRX is designed to be compact and lightweight, allowing for ease of use in tight spaces and reducing user fatigue.
- Durable Construction: Built from high-grade materials, the wrench is engineered to withstand the rigors of industrial use, ensuring longevity and reliability in demanding environments.
- Ergonomic Handle: This product features an ergonomically designed handle for comfortable grip and control, enhancing the user experience during prolonged use.
- Versatile Applications: It is compatible with a variety of fasteners, making it ideal for diverse industrial settings, including automotive, construction, and manufacturing.
- Safety Features: Incorporates safety mechanisms to prevent over-torquing and ensure secure fastening without damaging the workpiece.
Applications
- Automotive Repair: Ideal for automotive repair shops for engine assembly and suspension work, where precise torque is critical.
- Heavy Equipment Maintenance: Perfect for maintenance tasks on heavy machinery and equipment that require high torque to loosen or tighten large bolts.
- Construction: Suitable for construction sites where robust fastening solutions are required for steel structures and heavy components.
- Manufacturing: Commonly used in assembly lines where fast and reliable fastening is essential for productivity and quality control.
Benefits
- Enhanced Efficiency: The direct-fit design and hydraulic power enable faster, more efficient fastening, reducing overall project time.
- Powerful Performance: Capable of delivering significant torque, making it suitable for the most demanding fastening jobs without requiring excessive manual effort.
- User-Friendly: Lightweight and ergonomic, the wrench reduces strain on the user, making it comfortable to operate for extended periods.
- Reliable Operation: The tool’s durable construction ensures it withstands harsh working conditions and delivers consistent performance across various applications.
- Versatile Use: Its compatibility with a wide range of fasteners makes it a versatile addition to any tool collection, capable of meeting diverse industrial needs.
The ZSRX Hydraulic Direct Fit Wrench is a versatile, powerful tool designed for professionals who require precision and reliability in their fastening tasks. Its combination of hydraulic technology, ergonomic design, and robust construction ensures it can tackle the most challenging jobs with ease, making it an essential tool in any industrial setting.
Double-acting, Hexagon Cassette Wrenches
Lightweight, Low Profile & Slim Nose Radius
- The tool body can be a Reaction Arm, which is easy to work.
- Bronze bushing anti-galling.
- “Drop Hole” will protect against overpressure operating.
Output Accuracy: ±3% , Repeatability: 100%


WARNING

Warning: the wrong coupler is connected, or there is overpressure causing oil to leak.


1. High Strength Body
The Cylinder and Link Body are manufactured from a high-grade, strong alloy with a rust-resistant surface finish.

2. Engagement Plunger
Smooth leakproof functioning of enclosed alloy steel piston and engaged hook head.

3. Never Lock Drive Segment
The never-lock drive segment prevents the wrench from locking, eliminating the need for a ratchet release mechanism.

4. Multi-Tooth Ratchet Assembly
Strong strength, high accuracy, and best speed.

5. Drive Plate
Single-piece high-strength alloy drive plate for maximum life.
Allows a small nose radius for the tool.

6. Multi-Tooth Driving & Ratchet Assembly
Strong strength, high accuracy, and best speed.

7. Steel Link Pin
One simple pin for the cassette links to cylinder engagement without using any additional or unique tools.

8. In-line Reaction Pad
This ensures a torsion-free reaction during use.

9. Completely Flat Design Cylinder & Link
Equal width of the cylinder and link ensures the tool sits flat on the flange surface.
Allows use in most confined areas.

10. 360°*180° Swivel-Hose-Free Operation

11. Piston Seal
High-temperature Polyurethane seals ensure years of maintenance-free operation.

12. Sliders
Reduce friction and prevent piston wear.
| Model Number | Hex. Size | Min. Torque | Max. Torque | Weight (kg) | ||||
| inch | mm | lbf.ft | N.m | lbf.ft | N.m | Cylinder | Link | |
| ZSRX-2 | 1-1/4~2-3/8 | 30~60 | 192 | 260 | 2178 | 2994 | 1.99 | 1.48~1.85 |
| ZSRX-4 | 1-5/8~3-1/8 | 41~80 | 395 | 535 | 4732 | 6504 | 3.35 | 3.05~3.95 |
| ZSRX-8 | 1-7/8~4-1/8 | 50~105 | 830 | 1125 | 10689 | 14692 | 6.64 | 6.25~8.6 |
| ZSRX-16 | 2-3/4~4-5/8 | 70~115 | 1560 | 2115 | 16854 | 23165 | 8.5 | 11.98~14.16 |
| ZSRX-32 | 3-1/8~6-1/8 | 80~155 | 3220 | 4365 | 51632 | 51632 | 16.1 | 25.1~30.36 |

| Model Number | Dimensions (mm) | |||
| A | B | C | D | |
| ZSRX-2 | 32 | 148.8~156.8 | 168~175.5 | 9.1~11.7 |
| ZSRX-4 | 41.4 | 172.9~189.2 | 204.4~220.8 | 12.7~13.7 |
| ZSRX-8 | 52.5 | 210.4~235.4 | 268.1~283.9 | 13.7~19.5 |
| ZSRX-16 | 64 | 245.7~258.3 | 326.7~344.7 | 19.5~23 |
| ZSRX-32 | 82.5 | 287.6~313.1 | 422.5~442.5 | 23~26 |

| Bolt Dia. | Across flat | Bolt Dia. (Imp.) | Across flat (Imp.) | ZSRX-2 | ZSRX-4 | ZSRX-8 | ||||||
| Link model | R (mm) | D (mm) | Link model | R (mm) | D (mm) | Link model | R (mm) | D (mm) | ||||
| M | mm | inch | inch | |||||||||
| 20 | 30 | 3/4 | 1-1/4 | ZSRX-2L30 | 26.6 | 9.1 | ||||||
| 22 | 32 | 1-7/16 | ZSRX-2L32 | 26.6 | 9.1 | |||||||
| 24 | 36 | 7/8 | 1-5/8 | ZSRX-2L36 | 33.5 | 10.4 | ||||||
| 27 | 41 | 1 | 1-13/16 | ZSRX-2L41 | 34.4 | 10.4 | ZSRX-4L41 | 36.8 | 12.7 | |||
| 30 | 46 | 1-1/8 | 2 | ZSRX-2L46 | 37.2 | 10.4 | ZSRX-4L46 | 39.5 | 12.7 | |||
| 33 | 50 | 1-1/4 | 2-3/16 | ZSRX-2L50 | 40.6 | 11.7 | ZSRX-4L50 | 42.3 | 12.7 | ZSRX-8L50 | 43.3 | 13.7 |
| 36 | 55 | 1-3/8 | 2-3/8 | ZSRX-2L55 | 43.7 | 11.7 | ZSRX-4L55 | 45.2 | 12.7 | ZSRX-8L55 | 45.9 | 13.7 |
| 39 | 60 | 1-1/2 | 2-9/16 | ZSRX-2L60 | 46.6 | 11.7 | ZSRX-4L60 | 47.9 | 12.7 | ZSRX-8L60 | 48.9 | 13.7 |
| 42 | 65 | 1-5/8 | 2-3/4 | ZSRX-4L65 | 51.7 | 13.7 | ZSRX-8L65 | 5.5 | 13.7 | |||
| 45 | 70 | 1-3/4 | 2-15/16 | ZSRX-4L70 | 54.8 | 13.7 | ZSRX-8L70 | 54.5 | 13.7 | |||
| 48 | 75 | 1-7/8 | 3-1/8 | ZSRX-4L75 | 57.3 | 13.7 | ZSRX-8L75 | 57.2 | 13.7 | |||
| 52 | 80 | 2 | ZSRX-4L80 | 60.1 | 13.7 | ZSRX-8L80 | 59.9 | 13.7 | ||||
| 56 | 85 | 3-1/2 | ZSRX-8L85 | 67.2 | 17.5 | |||||||
| 60 | 90 | 2-1/4 | ZSRX-8L90 | 70.1 | 18 | |||||||
| 64 | 95 | 3-7/8 | ZSRX-8L95 | 73.5 | 18 | |||||||
| 68 | 100 | 2-1/2 | 4-1/4 | ZSRX-8L100 | 76.4 | 18 | ||||||
| 72 | 105 | 2-3/4 | ZSRX-8L105 | 80.5 | 19.5 | |||||||
| Bolt Dia. | Across flat | Bolt Dia. (Imp.) | Across flat (Imp.) | ZSRX-16 | ZSRX-32 | ||||
| Link model | R (mm) | D (mm) | Link model | R (mm) | D (mm) | ||||
| M | mm | inch | inch | ||||||
| 45 | 70 | 1-3/4 | 2-15/16 | ZSRX-16L70 | 60.3 | 19.5 | |||
| 48 | 75 | 1-7/8 | 3-1/8 | ZSRX-16L75 | 63.1 | 19.5 | |||
| 52 | 80 | 2 | ZSRX-16L80 | 66 | 19.5 | ZSRX-32L80 | 72 | 25 | |
| 56 | 85 | 3-1/2 | ZSRX-16L85 | 69 | 19.5 | ZSRX-32L85 | 75 | 25 | |
| 60 | 90 | 2-1/4 | ZSRX-16L90 | 71.8 | 19.5 | ZSRX-32L90 | 78 | 25 | |
| 64 | 95 | 3-7/8 | ZSRX-16L95 | 79.3 | 21 | ZSRX-32L95 | 80.5 | 25 | |
| 68 | 100 | 2-1/2 | 4-1/4 | ZSRX-16L100 | 80 | 21 | ZSRX-32L100 | 83.5 | 25 |
| 72 | 105 | 2-3/4 | ZSRX-16L105 | 82 | 21 | ZSRX-32L105 | 87.5 | 26.5 | |
| 76 | 110 | 4-5/8 | ZSRX-16L110 | 85 | 21 | ZSRX-32L110 | 91.3 | 26.5 | |
| 80 | 115 | 3 | ZSRX-16L115 | 90 | 23 | ZSRX-32L115 | 94.9 | 26.5 | |
| 117 | 5 | ZSRX-32L117 | 94.9 | 26.5 | |||||
| 85 | 120 | 3-1/4 | ZSRX-32L120 | 96.5 | 26.5 | ||||
| 125 | 5-3/8 | ZSRX-32L125 | 100.5 | 26.5 | |||||
| 90 | 130 | 3-1/2 | ZSRX-32L130 | 102.5 | 26.5 | ||||
| 95 | 135 | 5-4/3 | ZSRX-32L | 108 | 28.5 | ||||
| 140 | 3-3/4 | ZSRX-32L | 110 | 28.5 | |||||
| 100 | 145 | 6-1/8 | ZSRX-32L | 113 | 28.5 | ||||
| 105 | 150 | 4 | ZSRX-32L | 116 | 28.5 | ||||
| 110 | 155 | ZSRX-32L155 | 119 | 28.5 | |||||

| ZSRX Series Torque Conversion Chart | |||||||||
| Work pressure | ZSRX-2 | ZSRX-4 | |||||||
| 1-1/4″ to 1-12/16″ 30 to 46mm | 1-7/8″ to 2-3/8″ 47 to 60mm | 1-5/8″ to 2-9/16″ 41 to 65mm | 2-3/4″ to 3-1/8″ 70 to 80mm | ||||||
| psi | bar | lbf.ft | N.m | lbf.ft | N.m | lbf.ft | N.m | lbf.ft | N.m |
| 1450 | 100 | 284 | 384 | 315 | 428 | 581 | 788 | 685 | 929 |
| 1740 | 120 | 340 | 461 | 379 | 513 | 697 | 945 | 822 | 1115 |
| 2031 | 140 | 397 | 538 | 442 | 599 | 813 | 1103 | 959 | 1301 |
| 2321 | 160 | 454 | 615 | 505 | 684 | 929 | 1260 | 1097 | 1487 |
| 2611 | 180 | 510 | 692 | 568 | 770 | 1046 | 1418 | 1234 | 1673 |
| 2901 | 200 | 567 | 769 | 631 | 855 | 1162 | 1575 | 1371 | 1858 |
| 3191 | 220 | 624 | 846 | 694 | 941 | 1278 | 1733 | 1508 | 2044 |
| 3481 | 240 | 680 | 923 | 757 | 1026 | 1394 | 1890 | 1645 | 2230 |
| 3771 | 260 | 737 | 999 | 820 | 1112 | 1510 | 2048 | 1782 | 2416 |
| 4061 | 280 | 794 | 1076 | 883 | 1198 | 1626 | 2205 | 1919 | 2602 |
| 4351 | 300 | 851 | 1153 | 946 | 1283 | 1742 | 2363 | 2056 | 2788 |
| 4641 | 320 | 907 | 1230 | 1009 | 1369 | 1859 | 2520 | 2193 | 2973 |
| 4931 | 340 | 964 | 1307 | 1073 | 1454 | 1975 | 2678 | 2330 | 3159 |
| 5221 | 360 | 1021 | 1384 | 1136 | 1540 | 2091 | 2835 | 2467 | 3345 |
| 5511 | 380 | 1077 | 1461 | 1199 | 1625 | 2207 | 2993 | 2604 | 3531 |
| 5802 | 400 | 1134 | 1538 | 1262 | 1711 | 2323 | 3150 | 2741 | 3717 |
| 6092 | 420 | 1191 | 1614 | 1325 | 1796 | 2440 | 3308 | 2878 | 3903 |
| 6382 | 440 | 1247 | 1691 | 1388 | 1882 | 2556 | 3465 | 3015 | 4088 |
| 6672 | 460 | 1304 | 1768 | 1451 | 1967 | 2672 | 3623 | 3153 | 4274 |
| 6962 | 480 | 1361 | 1845 | 1514 | 2053 | 2788 | 3780 | 3290 | 4460 |
| 7252 | 500 | 1418 | 1922 | 1577 | 2138 | 2904 | 3938 | 3427 | 4646 |
| 7542 | 520 | 1474 | 1999 | 1640 | 2224 | 3020 | 4095 | 3564 | 4832 |
| 7832 | 540 | 1531 | 2076 | 1703 | 2309 | 3137 | 4253 | 3701 | 5018 |
| 8122 | 560 | 1588 | 2153 | 1766 | 2395 | 3253 | 4410 | 3838 | 5203 |
| 8412 | 580 | 1644 | 2230 | 1830 | 2481 | 3369 | 4568 | 3975 | 5389 |
| 8702 | 600 | 1701 | 2306 | 1893 | 2566 | 3485 | 4725 | 4112 | 5575 |
| 8992 | 620 | 1758 | 2383 | 1956 | 2652 | 3601 | 4883 | 4249 | 5761 |
| 9282 | 640 | 1815 | 2460 | 2019 | 2737 | 3717 | 5040 | 4368 | 5947 |
| 9572 | 660 | 1871 | 2537 | 2082 | 2823 | 3834 | 5198 | 4523 | 6133 |
| 9863 | 680 | 1928 | 2641 | 2145 | 2908 | 3950 | 5355 | 4660 | 6319 |
| 10153 | 700 | 1985 | 2691 | 2208 | 2994 | 4066 | 5513 | 4797 | 6504 |
| ZSRX Series Torque Conversion Chart | |||||||||
| Work pressure | ZSRX-8 | ZSRX-16 | |||||||
| 1-7/8″ to 3-1/8″ 50 to 80mm | 3-3/8″ to 4-1/8″ 85 to 105mm | 2-3/4″ to 3-15/16″ 70 to 100mm | 4-1/8″ to 4-5/8″ 105 to 115mm | ||||||
| psi | bar | lbf.ft | N.m | lbf.ft | N.m | lbf.ft | N.m | lbf.ft | N.m |
| 1450 | 100 | 1269 | 1720 | 1548 | 2293 | 2293 | 3109 | 2441 | 3309 |
| 1740 | 120 | 1523 | 2064 | 1858 | 2519 | 2752 | 3731 | 2929 | 3971 |
| 2031 | 140 | 1776 | 2409 | 2167 | 2938 | 3210 | 4353 | 3417 | 4633 |
| 2321 | 160 | 2030 | 2753 | 2477 | 3358 | 3669 | 4975 | 3905 | 5295 |
| 2611 | 180 | 2284 | 3097 | 2787 | 3778 | 4128 | 5596 | 4394 | 5957 |
| 2901 | 200 | 2538 | 3441 | 3096 | 4198 | 4586 | 6218 | 4882 | 6619 |
| 3191 | 220 | 2792 | 3785 | 3406 | 4618 | 5045 | 6840 | 5370 | 7281 |
| 3481 | 240 | 3045 | 4129 | 3715 | 5037 | 5504 | 7462 | 5858 | 7943 |
| 3771 | 260 | 3299 | 4473 | 4025 | 5457 | 5963 | 8084 | 6346 | 8604 |
| 4061 | 280 | 3553 | 4817 | 4335 | 5877 | 6421 | 8706 | 6835 | 9266 |
| 4351 | 300 | 3807 | 5161 | 4644 | 6297 | 6879 | 9327 | 7323 | 9928 |
| 4641 | 320 | 4060 | 5505 | 4954 | 6717 | 7338 | 9949 | 7811 | 10590 |
| 4931 | 340 | 4314 | 5849 | 5263 | 7136 | 7797 | 10571 | 8299 | 11252 |
| 5221 | 360 | 4568 | 6193 | 5573 | 7556 | 8255 | 11193 | 8787 | 11914 |
| 5511 | 380 | 4822 | 6537 | 5883 | 7976 | 8714 | 11815 | 9275 | 12576 |
| 5802 | 400 | 5075 | 6881 | 6192 | 8396 | 9173 | 12436 | 9764 | 13238 |
| 6092 | 420 | 5329 | 7226 | 6502 | 8815 | 9631 | 13058 | 10252 | 13900 |
| 6382 | 440 | 5583 | 7570 | 6812 | 9235 | 10090 | 13680 | 10740 | 14561 |
| 6672 | 460 | 5837 | 7914 | 7121 | 9655 | 10549 | 14302 | 11228 | 15223 |
| 6962 | 480 | 6091 | 8258 | 7431 | 10075 | 11007 | 14924 | 11716 | 15885 |
| 7252 | 500 | 6344 | 8602 | 7740 | 10495 | 11466 | 15546 | 12204 | 16547 |
| 7542 | 520 | 6598 | 8946 | 8050 | 10914 | 11924 | 16167 | 12693 | 17209 |
| 7832 | 540 | 6852 | 9290 | 8360 | 11334 | 12383 | 16789 | 13181 | 17871 |
| 8122 | 560 | 7106 | 9634 | 8669 | 11754 | 12842 | 17411 | 13669 | 18533 |
| 8412 | 580 | 7359 | 9978 | 8979 | 12174 | 13300 | 18033 | 14157 | 19195 |
| 8702 | 600 | 7613 | 10322 | 9288 | 12593 | 13759 | 18655 | 14645 | 19856 |
| 8992 | 620 | 7867 | 10666 | 9598 | 13013 | 14218 | 19276 | 15434 | 20518 |
| 9282 | 640 | 8121 | 11010 | 9908 | 13433 | 14676 | 19898 | 15622 | 21180 |
| 9572 | 660 | 8375 | 11354 | 12217 | 13853 | 15135 | 20520 | 16110 | 21842 |
| 9863 | 680 | 8628 | 11698 | 10527 | 14273 | 15593 | 21142 | 16598 | 22504 |
| 10153 | 700 | 8882 | 12043 | 10837 | 14692 | 16052 | 21764 | 17086 | 23166 |
| ZSRX Series Torque Conversion Chart | |||||
| Work pressure | ZSRX-32 | ||||
| 3-1/8″ to 4-1/2″ 80 to 115mm | 4-11/16″ to 6-1/8″ 120 to 155mm | ||||
| psi | bar | lbf. ft | N.m | lbf. ft | N.m |
| 1450 | 100 | 4734 | 6418 | 5440 | 7376 |
| 1740 | 120 | 5681 | 7702 | 6528 | 8851 |
| 2031 | 140 | 6628 | 8986 | 7616 | 10326 |
| 2321 | 160 | 7574 | 10269 | 8704 | 11801 |
| 2611 | 180 | 8521 | 11553 | 9792 | 13277 |
| 2901 | 200 | 9468 | 12837 | 10880 | 14752 |
| 3191 | 220 | 10415 | 14120 | 11968 | 16227 |
| 3481 | 240 | 11361 | 15404 | 13057 | 17702 |
| 3771 | 260 | 12308 | 16688 | 14145 | 19177 |
| 4061 | 280 | 13255 | 17971 | 15233 | 20653 |
| 4351 | 300 | 14202 | 19255 | 16321 | 22128 |
| 4641 | 320 | 15149 | 20539 | 17409 | 23603 |
| 4931 | 340 | 16095 | 21823 | 18497 | 25078 |
| 5221 | 360 | 17042 | 23106 | 19585 | 26553 |
| 5511 | 380 | 17989 | 24390 | 20673 | 28029 |
| 5802 | 400 | 18936 | 25674 | 21761 | 29504 |
| 6092 | 420 | 19883 | 26957 | 22849 | 30979 |
| 6382 | 440 | 20829 | 28241 | 23937 | 32454 |
| 6672 | 460 | 21776 | 29525 | 25025 | 33929 |
| 6962 | 480 | 22723 | 30808 | 26113 | 35404 |
| 7252 | 500 | 23670 | 32092 | 27201 | 36880 |
| 7542 | 520 | 24617 | 33376 | 28289 | 38355 |
| 7832 | 540 | 25563 | 34659 | 29377 | 39830 |
| 8122 | 560 | 26510 | 35943 | 30465 | 41305 |
| 8412 | 580 | 27457 | 37227 | 31553 | 42780 |
| 8702 | 600 | 28404 | 38510 | 32641 | 44256 |
| 8992 | 620 | 29351 | 39794 | 33729 | 45731 |
| 9282 | 640 | 30297 | 41078 | 34817 | 47206 |
| 9572 | 660 | 31244 | 42361 | 35905 | 48681 |
| 9863 | 680 | 32191 | 43645 | 36993 | 50156 |
| 10153 | 700 | 33138 | 44929 | 38081 | 51632 |

