US Screw size conversion chart:
| Screw Size | Inch Decimal | Nearest Fraction | Metric Equivalent |
| #0 | 0.060 in. | 1/16" | 1.52 mm |
| #1 | 0.073 in. | 5/64" | 1.85 mm |
| #2 | 0.086 in. | 3/32" | 2.18 mm |
| #3 | 0.099 in. | 7/64" | 2.51 mm |
Full Answer
What size is a metric 6 screw?
Metric Screw Sizes - Best Materials
What is the diameter of a 6 - 32 screw?
Standard Metric Machine Screw Sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 in 230 1 2 3 4 5 6 7 8 9 Copyright © 2000-2017 Bolt Depot Inc. IMPORTANT: Make sure to print this chart to Actual Size (no scaling). After printing, measure the ruler in the margin to ensure correct scale. www.boltdepot.com/tools
How to determine what size screw you have?
Metric & Standard Bolt & Screw Size Chart: M2, M4, M5, M6, M8, M10. Leave a Comment / Uncategorized / By pro. Bolts and screws are integral parts of fastening or putting together things. Several people assume that these two materials are the same, but they are different. Physically, they look similar.
What is a metric machine?
Aug 12, 2011 · Screw Size: Tapping Drills: Clearance Drills; Nom. Dia. (mm) Pitch (mm) Series Drill Size (65-75% thread) Dec. Equiv. Close Fit Free Fit; Drill Size Dec. Equiv. Drill Size Dec. Equiv. 1: 0.20: Fine: 0.80: 0.0315: 1.05: 0.0413: 1.20: 0.0472: 0.25: Coarse: 0.75: 0.0295: 1.1: 0.20: Fine: 0.90: 0.0354: 1.15: 0.0453: 1.30: 0.0512: 0.25: Coarse: 0.85: 0.0335: 1.2: 0.20: Fine: 1.00: …
What are metric machine screw sizes?
Metric clearance and tapping drill hole sizes.SizeClearance Hole mmTapping Drill (std Pitch)M10118.5 mmM121410.25 mmM161814 mmM202217.5 mm5 more rows•Jun 19, 2020
How do you read metric screw sizes?
Taking a closer look at this description, let's explore its meaning:M = This designates the fastener is a metric size.10 = The nominal diameter in millimeters.1.0 = The thread pitch, or distance between threads, in millimeters.20 = The fastener's length, in millimeters.
What size is #8 screw in mm?
Metric Imperial Screw Conversion ChartDiameter (mm)Length (mm)Closest Imperial Size Gauge x Length4mm128 x 1/2168 x 5/8208 x 3/4258 x 152 more rows
What size is a M3 screw?
Common M3 Fastener Screw and Bolt Sizes - MonsterBoltsTypeDINHead DiameterM3 Hex Bolts (FT)9336.0mm*M3 Hex Bolts (PT)9316.0mm*M3 Socket Head Cap9125.68mmM3 Low Head Socket Cap79845.5mm4 more rows
How are machine screws measured?
To measure the diameter of screws and bolts, you measure the distance from the outer thread on one side to the outer thread on the other side. This is called the major diameter and will usually be the proper size of the bolt.
What does M6 1.0 mean?
M6 threads are 6mm metric screws. The standard metric rack screw is called M6 x 1. The 'M' means it's metric. The '6' is the outside diameter measured in millimeters, and the '1' is the distance between adjacent threads, also in millimeters.
Is M6 or M8 bigger?
The size of a metric screw or bolt is specified as diameter, pitch and length, in millimeters (millimeters is abbreviated "mm"). For nuts, size will appear as diameter and pitch....Table 3.MetricClosest InchM6-1.01/4-28 (Larger)M7-1.01/4-28 (Smaller)M8-1.255/16-18 (Smaller)M10-1.53/8-16 (Smaller)16 more rows
What is a #8 screw in metric?
Metric versus Imperial equivalent screw dimensions.MetricImperialDiameter (mm)Length (mm)Nominal Size no.44084458450827 more rows
What size is M6 in mm?
6 mmM6 refers to a metric 6 mm screw. The outside diameter of the threads is 6 mm. The standard metric rack screw is actually an M6 x 0.1 mm. The number 0.1 mm refers to 0.1 threads per millimeter.
What is the difference between M3 and M4 screws?
As a rule of thumb, the diameter of the clearance hole is more than the diameter of the screw. The M3 screw's clearance hole is either 3.5 or 3.2mm. The M4 screw has a clearance hole of at least 4.2mm.
What size is M3 in mm?
Tap sizeBasic major dia (mm)Basic major dia (inch)M3 x 0.53mm.1181M3.5 x 0.63,5mm.1378M4 x 0.74mm.1575M5 x 0.85mm.196924 more rows
Is M3 and 4 40 the same?
Let's now explain how screw threads are designated in metric. The closest size screw in metric to a #4-40 machine screw is M3.
What is machine screw?
Machine screws are a specialized type of screw that joins metal parts together, used in electronics, machinery, and other similar applications. They can come with coarse or fine thread; coarse threaded machine screws are also commonly called stove bolts.
What is the difference between ISO and ISO?
and Canada, and is based on inches, while the ISO Metric Screw Thread System (based on millimeters) is used across the rest of the globe, although it’s also gaining ground in the United States.
Types of Machine Screws
There are two common machine screw types with coarse threads or fine threads. Coarsely threaded screws are stronger than fine threads and can screw in more quickly, as they have fewer threads on the same length and the threads are higher, best for thick materials and coatings.
US Machine Screw Diameters Chart
Here is a table featuring diameters of US machine screws, the complete Unified National Thread Sizes chart please check our guide. The thread diameter is measured on the outside of the threads.