Imperial to metric screw conversion

Imperial To Metric Screw Conversion Chart

IMPERIAL SIZE (NO X INCH)	METRIC SIZE (MM APPROX.)
6 x 1/2	3.5 x 12
6 x 5/8	3.5 x 16
6 x 3/4	3.5 x 20
6 x 1	3.5 x 25

What is a number 8 screw in MM?

Metric Imperial Screw Conversion Chart

Gauge	Metric diameter (mm)	Pilot Hole size (mm)
6	3.5	2
8	4	2.5
10	5	3
12	5.5	3.5

What is a #8 screw in metric?

Diameter/Decimal/Metric Chart for Small Diameter Fasteners

Gauge or Diameter	Decimal (in)	mm
No.4	0.112	2.845
No.5	0.125	3.175
No.6	0.138	3.505
No.8	0.164	4.166

What size is a #8 screw?

Wood Screw Diameters

Size	Major Thread Diameter*
Size	Decimal	Nearest Fractional Measurement
#8	.164″	5/32″
#9	.177″	11/64″
#10	.190″	3/16″

What is a 10 screw in MM?

American Screw Sizes

THREAD DIAMETER
Size	Nearest Fraction	Millimeter
#6	9/64	3.3
#8	5/32	4.2
#10	3/16	4.8

What size is a number 8 screw UK?

UK Screw Sizes – Imperial vs. Metric

METRIC – 4mm Diameter	IMPERIAL – Gauge Size 8
45mm in length	1 ¾ inches in length
50mm in length	2 inches in length
60mm in length	2 ½ inches in length
70mm in length	2 ¾ inches in length

What size is a No 8 wood screw?

8 (4mm) x 30mm Pozi Countersunk Wood Screws (DIN 7997Z) – Stainless Steel (A2)

Is 5/16 The same as M8?

M8 and 5/16 are different bolts. M8 and 5/16 are not compatible. It is not recommended to use a M8 bolt into a 5/16 thread (and vice-versa), otherwise you run the risk of forcing and damaging the thread.

Are M6 and 1/4 the same?

A normal M6 screw is a rattly fit in a 1/4 BSF full nut.

What size is an M6 screw in inches?

7/32 inches

Metric threads are used outside of the USA, and commonly in products by HP and other global entities. You can identify an M6 screw by measuring the diameter with a ruler. It’ll be 6 mm, or slightly more than 7/32 inches (0.228″).

How do you read screw sizes UK?

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.

How do you read imperial screw sizes?

Read the first letter of the size. This the largest diameter: the measurement of the screw on the thread. Unified screw diameters are measured in inches — lowest to highest as 0 to 10. Measurements equal 0.060″ + 0.013″ x measured diameter.

What is 14g screw in MM?

6.30mm

14g (6.30mm) Bugle Batten In/Hex (5mm) Timber T17 Screws Stainless G304 A2-70.

Is a #8 or 10 screw bigger?

Machine screws are often found in sizes of: 0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 14—the larger the number, the larger the screw.

What do screw sizes mean UK?

The gauge of a screw is defined by the thickness (diameter) of the un-threaded part of the screw known as the shank. Ordinarily, in the United Kingdom the head size is roughly twice the diameter of the shank, although there are some exceptions associated with hybrid, hardened, DIN Standard (metric) and imported screws.

How are metric screws sized?

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. There is an exception though—if pitch isn’t specified, the fastener is coarse threaded. Consider this size…

What is M4 screw size?

They’re made from a durable carbon steel and come with a nut for tightening metal surfaces together. The M4 machine screw has a thread diameter of 4 millimetres, in simple terms the M stands for millimetres followed by the size – in this case 4 mm.

What diameter is a 14g screw?