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 are the socket sizes in order?
 There are four common socket sizes:
 
  1/4 inch (0.6 centimeters), 3/8 inch (0.9 centimeters), 1/2 inch (1.3 centimeters) and 3/4 inch (1.9 centimeters)
 
 . In-between sizes are available too, starting with 1/4 inch (0.6 centimeters) and increasing every sixteenth of an inch (0.16 centimeters).
 What are the three ratchet sizes?
 Available with different drive sizes —
 
  1/4 inch, 1/2 inch and 3/8 inch
 
 — to operate different size sockets. Most operate with a geared drive; those with a higher tooth count let you operate the tool with a smaller swinging motion, which is useful when there’s little room to move the handle.
 What size is a 3/4 ratchet?
 3/4
 
  Inch Drive x 22 Inch
 
 Ratchet.
 What are the 3 common drive sizes of torque wrenches or any ratchet )?
 What size torque wrench do I need? Torque wrenches are primarily referred to by the socket drive size. Like ratchet wrenches, they come in
 
  1/4-inch, 3/8-inch, 1/2-inch and 3/4-inch drives
 
 . The bigger the drive and the longer the handle, the more torque they can deliver.
 What is a 72 tooth ratchet?
 Low-tooth ratchets generally range from about 20 teeth to as high as 40 teeth. That means you’ll see about an 18-degree swing arc to a 9-degree arc from coarse or low-tooth-count ratchets. … Fine, or high
 
  -tooth-count
 
 , ratchets range from about 72 teeth to 160 teeth.
 How do I know my socket size?
- Turn on the digital caliper and set it to read in inches, not millimeters. …
 - Close the caliper jaws until each jaw rests on one flat side of the nut on opposite sides.
 - Check the caliper display. …
 - Turn on the digital caliper and set it to read in millimeters, not inches.
 
 What is the next size down from 5 8?
| Bolt Diameter Metric Standard | 
    7/16′′ 16mm 5/8′′  | 
1/2′′ 19mm 3/4′′ | 9/16′′ 21mm 13/16′′ | 22mm 7/8′′ | 
|---|
 Is a 3/8 socket the same as a 10mm?
 So what is a
 
  10mm
 
 socket equivalent? The equivalent imperial size of a 10mm socket is a 3/8 socket. Imperial sizes are known as SAE (Society of Automotive Engineers) or Standard.
 What is the next size down from 11 16?
| SAE Size Metric Size Inches Decimal | 11/16′′ 0.688 | 
     18mm 0.709  | 
23/32′′ 0.719 | 19mm 0.748 | 
|---|
 What is a 3/8 drive ratchet?
 3/8 inch – The middle sized, and in my opinion, most useful size for general use on a car. A 3/8′′ drive
 
  can drive sockets of all sizes
 
 . It is big enough to apply quite a lot of force, but not too big to fit into tight spaces. 1/2 inch – 1/2′′ sockets are generally used for nuts and bolts from around 10mm and up.
 What are the 4 socket drive sizes?
 These drive fittings come in four common sizes:
 
  1⁄4 inch, 3⁄8 inch, 1⁄2 inch, and 3⁄4 inch
 
 (referred to as “drives”, as in ” 3⁄8 drive”).
 Are 6 or 12 point sockets better?
 Answer: It’s true that
 
  12-point sockets are fine for most lightweight repairs
 
 , but heavy wrenching calls for a six-point socket. A six-point socket is much less likely to slip off a stubborn fastener or round over the corners. Here’s why: (1) Six-point sockets have thicker walls, so they’re less likely to flew.
 What is a 6 sided wrench called?
WRENCH TYPE: Hex-Key Wrench
 Also called
 
  Allen wrenches
 
 (although “Allen” actually refers to specific brand known for making hex-key wrenches), these short six-sided bars of steel are characteristically L-shaped, with one side shorter than the other.
 How much torque can a 3/8 ratchet 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.
