Frequent question: What size is a number 3 screwdriver?

What is #3 screwdriver?

The #3 Phillips head works on screws with the numbers 10, 12, 14, and 16, and the #4 Phillips head corresponds with screws numbered 18, 20, and 24. The numbering system, while a bit hard to keep track of, is one way to determine which screwdriver works with which screw.

What size is a #3 Phillips screwdriver?

Size: 5/16 in.

What are screwdriver Sizes?

Screwdriver Technique

While screw size is shrouded in mystery, there are four basic sizes of Phillips screwdriver — from #0 to #4 — #0 being the smallest. The most common sizes are #2 and #1, #2 for standard screw sizes, #1 for “miniature”. Then there are the jeweler-size screws.

What does #2 screwdriver mean?

The #2 is a 1/4″ shaft, perfect for derailleur adjustment screws. It is the most common cross tip (“Phillips”) required.

How do I choose a screwdriver size?

The best size of screwdriver for the job will be the one that fits snugly into the screw head without wobbling, and without unseating at the slightest turn. It is usually best to have a few different sizes of screwdriver on hand to ensure the proper fit.

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How do you read screwdriver sizes?

The first number represents the width of the driver head while the second size indicates the shaft length. The longer the shaft, the farther the screwdriver can reach to tight spaces. This is especially handy when doing automotive work, as screws are often placed far back in an engine block.

How are Phillips screwdrivers sizes?

Phillips head screwdrivers come in sizes from 0 to 4. The lower the number, the larger the tip. Most jobs can be handled by a No. 2, like this 7-inch option from Klein.

What is a number 1 screwdriver?

The Phillips #1 screw is the most commonly used fastener in the internals of “larger” electronics like home theater hardware, game consoles, laptops, PCs, and server racks. This particular size of Phillips screwdriver blade is also known as Phillips 1, PH 1, and PH #1. This driver is ESD-safe.

What size slotted screwdriver?


Type Gauge Size
Slot or Flathead 1/8”, 5/32”, 3/16”, ¼”, 5/16”, ⅜”
Phillips #000, #00, #0, #1, #2, #3,
Allen or Hex 0.7, 0.9, 1.3, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5 mm
Torx T2, T3, T4, T5, T10, T15, T20, T25, T30, T40

What is the most common screw size?

The most common size is #8 (approximately 5/32-inch in diameter), but the appropriate size of screw will depend on your individual project.

How many MM is a 00 Phillips screwdriver?

Phillips head size #00 and 60 mm long by 3 mm diameter shank. Ergonomically designed polypropylene handle with thermoplastic rubber (TPR) grip with increased comfort and torque.

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What are the different types of screw heads?

The two basic screw head types, countersunk and non-countersunk, include various unique designs.

The different screw drive types include:

  • Slotted.
  • Phillips.
  • Phillips tamper-resistant.
  • Combination.
  • Hex external.
  • Hex internal.
  • Hex tamper-resistant.
  • Square recess.

What is the smallest size screwdriver?

The Phillips #000 screw is the smallest fastener in the Phillips family and is used in the most compact electronic applications. This particular size of Phillips screwdriver blade is also known as Phillips 000, PH 000, and PH #000.

What are Phillips screws?

Noun. 1. Phillips screw – a screw with a special head having crossed slots. screw – a fastener with a tapered threaded shank and a slotted head. trademark – a formally registered symbol identifying the manufacturer or distributor of a product.

What is a standard screwdriver?

The tool used to drive a slotted screw head is called a standard, common blade, flat-blade, slot-head, straight, flat, flat-tip, or “flat-head” screwdriver. This last usage can be confusing, because the term flat-head also describes a screw with a flat top, designed to install in a countersunk hole.