Torsional Shear Type High Strength Bolts
The high-strength torsional shear bolt connection pair for steel structure belongs to the connection piece used for steel structure friction high-strength bolt connection. It is a kind of high-strength bolt and is mainly used in the connection and fixing of steel structure parts.
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Product Introduction
The high-strength torsional shear bolt connection pair for steel structure belongs to the connection piece used for steel structure friction high-strength bolt connection. It is a kind of high-strength bolt and is mainly used in the connection and fixing of steel structure parts.
Working principle:
The torsional shear type bolt is constructed with a torsional shear type wrench, and its root uses a forward and reverse torsion bar to directly clamp the screw itself through the "torx head", so there will be no co-rotation phenomenon during screwing. The idea of its product design is: when the screw rod reaches the pre-tension value, the material can withstand the corresponding shear force to design the root section of the weakened plum blossom head to achieve the purpose of shearing.
So what tools are needed to fasten and disassemble such high-strength, high-standard torsional shear bolts?
Model | S-20LW | S-24W | S-22LP | S-24LP | S-30LP | S-30G | S-36G | |
Freq | 50-60Hz | 50-60Hz | 50-60Hz | 50-60Hz | 50-60Hz | 50-60Hz | 50-60Hz | |
Voltage | 230v 115v | 230v 115v | 230v 115v | 230v 115v | 230v 115v | 230v 115v | 230v 115v | |
Max Current | 8A 16A | 8A 16A | 8A 16A | 8A 16A | 8A 16A | 12A 24A | 12A 24A | |
Max Power Consumption | 1800W | 1800W | 1800W | 1800W | 1800W | 2800W | 2800W | |
Max Torque | 640N.m | 1200N.m | 900N.m | 1200N.m | 2100N.m | 2500N.m | 3500N.m | |
Ro Speed (min-1) | 28rpm | 15rpm | 20rpm | 9rpm | 6rpm | 5rpm | 2.5rpm | |
Weight (main body) | 4.9KG | 5.5KG | 5KG | 5.5KG | 6.6KG | 8.7KG | 12.5KG | |
Protect Class | Double Insulation | Double Insulation | Double Insulation | |||||
Adaptable Bolts Dia | S-10T | M12, M16, M20 | M16, M20, M22, M24 | M16, M20, M22 | M16, M20, M22, M24 | M24, M27, M30 | M24, M27, M30 | M30, M33, M36 |
A325 | 1/2", 5/8", 3/4" | 5/8", 3/4", 7/8",1" | 5/8", 3/4", 7/8" | 5/8", 3/4", 7/8",1" | 1", 1-1/8", 1-1/4" | 1", 1-1/8", 1-1/4" | 1-1/4", 1-3/8",1-1/2" | |
A490 | 5/8",3/4" | 5/8",3/4",7/8" | 5/8", 3/4", 7/8" | 5/8", 3/4", 7/8",1" | 1", 1-1/8" | / | / | |
Note:
High-strength bolts should be stored in categories according to specifications, and should be protected from rain and moisture. It is not compatible with bolts and nuts, and cannot be used when the thread is damaged. If the bolts, nuts and washers are corroded, the fastening axial force should be checked by sampling, and they can be used only after meeting the requirements. Bolts, etc. shall not be contaminated by mud and oil, and shall be kept clean and dry. It must be used in the same batch according to the batch number, and must not be mixed and used.
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