Metric Socket Sizes Chart
| 3/8″ Drive | 1/4″ Drive | 1/2″ Drive |
|---|---|---|
| 16mm | 13mm | 19mm |
| 17mm | 14mm | 20mm |
| 18mm | 15mm | 21mm |
| 19mm | 22mm |
What is the outside diameter of a 3/8 socket?
Impact 3/8″ Drive Deep Well Sockets Features:
| Item # | Diameter | Base Outside Diameter |
|---|---|---|
| 1877473 | 3/8″ | 37/64″ / 14.5mm |
| 1877474 | 7/16″ | 43/64″ / 17mm |
| 1877475 | 1/2″ | 3/4″ / 19mm |
| 1877476 | 9/16″ | 51/64″ / 20mm |
What are the sizes of socket drives?
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”).
What size is a 19mm socket in standard?
Metric / Standard Wrench Conversion Chart
| Bolt Diameter | Metric | Standard |
|---|---|---|
| 1/2″ | 19mm | 3/4″ |
| 9/16″ | 21mm | 13/16″ |
| 22mm | 7/8″ | |
| 5/8″ | 24mm | 15/16″ |
What is a 19 mm socket in standard?
Standard / Metric Wrench Conversion Chart
| Bolt Diameter | Standard | Metric |
|---|---|---|
| 1/2″ | 3/4″ | 19mm |
| 9/16″ | 13/16″ | 21mm |
| 7/8″ | 22mm | |
| 5/8″ | 15/16″ | 24mm |
What is the diameter of a 7 16 socket?
0.87 in
0.87 in. 7/16 in.
How do I know what size socket I need?
How to Determine the Right Size Socket for a Nut
- 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.
How do I know what size socket I have?
Socket sizes are determined by the size of the socket head and the size of the drive socket. An example of a typical socket size is a 13mm socket with ¼” drive. Although socket heads are available in both metric and imperial sizes, the ‘drive socket’ size of a socket is always imperial.
Is 19mm socket the same as 3 4?
19mm = 3/4 inch. 20mm = 25/32 inch. 21mm = just over 13/16 inch.
What’s the same size as a 19mm?
| MM | Approximate Size In Inches | Exact Size In Inches |
|---|---|---|
| 19mm | Little under 3/4 Inch | 0.74803 Inches |
| 20mm | Just short of 13/16 Inch | 0.78740 Inches |
| 21mm | Little over 13/16 Inch | 0.82677 Inches |
| 22mm | Just short of 7/8 Inch | 0.86614 Inches |
What size is 19 mm in SAE?
SAE to Metric Conversion Chart
| SAE | Metric | Inch |
|---|---|---|
| 19mm | 0.748 | |
| 3/4″ | 0.75 | |
| 25/32″ | 0.781 | |
| 20mm | 0.787 |
What is a hex socket used for?
The hex shape grips hex fasteners and prevents rounding. These sockets are made to withstand the high torque and force of impact tools. Remove and install dual wheels on trucks and trailers with the sockets in these sets. Fit these adapters between your wrench and socket to enable finger tightening.
Are insulated sockets tested to 1 000 volts?
Insulated to protect against accidental contact with live electrical circuits, these sockets are tested to 1, 000 volts to meet ASTM F1505 and IEC 60900. The short bit on these sockets fits in spaces where height clearance is limited.
What kind of sockets do you use to turn fasteners?
Keep a convenient mix of hex, Torx, Phillips, and slotted bit sockets on hand. Make maximum contact on all sides of a fastener to reduce slipping. These sockets are also known as torque adapters. A ratchet mechanism allows you to turn fasteners without removing and repositioning the socket.
What is an extra length socket used for?
Extra length allows access to fasteners on long bolts. These short sockets fit spaces where height clearance is limited. Pivot the head to access fasteners from an angle. Tightly grip nuts and bolts with hand-driven tools, leaving finishes unscratched.