How much torque can a 3/4 breaker bar handle? If you assume a reasonable quality tool steel that can handle 100K psi, a 1/4″ drive can take about 30 ft-lb, 3/8″ about 100 ft-lbs, 1/2″
How much torque can a 3/4 breaker bar handle?
If you assume a reasonable quality tool steel that can handle 100K psi, a 1/4″ drive can take about 30 ft-lb, 3/8″ about 100 ft-lbs, 1/2″ about 230 ft-lbs, and 3/4″ about 800 ft-lbs.
What is a drive breaker bar?
A breaker bar (also known as a power bar) is a long non-ratcheting bar that is used with socket wrench-style sockets. They are used to break loose very tight fasteners because their additional length allows the same amount of force to generate significantly more torque than a standard length socket wrench.
Do torque wrenches work with adapters?
A torque wrench adapter can help you work smarter, not harder, as long as you do so correctly. Adapters will affect the torque wrench setting if the distance changes between the fastener and the torque wrench handle. A straight extension will have no effect on the torque wrench setting.
How do you calculate torque with a breaker bar?
3 feet at 200 lbs is 600 lb ft of torque. Subject: RE: how to figure torque on breaker bar? If you just want to know ft-lbs assuming 90* then the length of the lever in feet * the force applied in lbs. 3*200=600ft-lbs.
What are the three common drive sizes for sockets?
Common ratchet sizes include 1/4-inch drive, 1/2-inch drive and 3/8-inch drive. Having different socket wrench sizes will allow you to operate different socket sizes based on your particular needs. Most ratchets use a geared drive.
What is the purpose of a cheater bar?
Cheater bars are usually used to free threaded pipe, screws, bolts, and other fasteners that are difficult to remove with a ratchet or pipe wrench alone. Cheater bars are also commonly used to operate valves.
Do you lose torque with an adapter?
Do you lose torque with an extension?
No you don’t lose any torque through the extension.
Do you need a 3 / 8 drive breaker bar?
You really shouldn’t need a 3/8 drive breaker bar short of some very strange situations where space is very limited…the drive end can’t handle much more torque than a regular 3/8 ratchet. You’ll have to work hard to break the 1/2 drive version, let alone the beastly 3/4 drive version.
What kind of handle does tekton 3 / 4 in.breaker bar have?
Fear no fastener with the monster length and mega muscle of the TEKTON 3/4 in. Drive 38 in. Breaker Bar. The strong, round-profile handle has a smoothly contoured grip that’s easy on the hands even under stress and a tough, chrome plated finish for ultimate corrosion and rust resistance.
What makes a breaker bar a cheater bar?
With this kind of leverage, even the baddest bolts and nastiest nuts will not slow you down. It is like having a cheater bar built in! The high-torque, chrome moly, 180° flex head lets you work at any angle to get into tight spaces. A spring-loaded ball bearing retains sockets, preventing them from sticking on workpiece or being dropped.