What are M6 screws used for?

M6 threads are 6mm in diameter, only . 4 mm larger than 12-24 screws. When it comes to racking equipment, 12-24 threads are used with most racks, 10-32 threads are used with Dell equipment, audio rack and M6 metric threads are used with HP equipment.

What does M6 mean in screw size?

M6 refers to a metric 6mm screw. The outside diameter of the threads is 6mm. The standard metric rack screw is actually an M6 x 1mm. The number “1mm” refers to 1 threads per millimeter. M6 screws are commonly used by HP.

What size is M6 in MM?

Metric clearance and tapping drill hole sizes.

Size Clearance Hole mm Tapping Drill (fine pitch)
M5 5.5
M6 6.5 5.25 mm
M8 9 7 mm
M10 11 9.0 or 8.75 mm

What’s bigger M6 or M8?

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.

Metric Closest Inch
M6-1.0 1/4-28 (Larger)
M7-1.0 1/4-28 (Smaller)
M8-1.25 5/16-18 (Smaller)
M10-1.5 3/8-16 (Smaller)
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What does M6 mean?

M6 Threads

M6 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. You can identify an M6 screw by measuring the diameter at slightly more than 7/32″ (0.228″).

Are M6 and 1/4 20 the same?

An M6 will thread a few turns into a 12-24 nut, but additional turns ruin the threads. Same with a 1/4″-20 and an M6. A metric/SAE screw gauge costs $4. That’s a one-beer tool.

What size hole do I drill for a M6 bolt?

Metric Threads

Thread Drill size for tapping standard metric threads Clearance hole
M4 3.3 4.5
M5 4.2 5.5
M6 5 6.6
M8 6.8 9

What size is M6 screw in inches?

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 big is a M6 hole?

Hole size for general Metric threads

Nominal size Pitch Percentage of thread engagement hole diameter (mm)
M5 0.5 4.62
M5.5 0.9 4.82
0.5 5.12
M6 1 5.24

What does M mean on bolts?

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.

How much force can a M6 bolt hold?

■Bolt strength

With additional consideration for the fatigue strength, and based on the strength class of 12.9 in the table, we select an M6 screw with maximum allowable load of 213 kgf.

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What is meant by the grade of a threaded fastener?

A threaded fastener’s grade indicates its tensile strength and hardness. The higher the clamping load required, the higher the grade you’ll need.

What size head is an M6 bolt?


Size Diameter Head Diameter
M3-0.5 3.00 5.50
M4-0.7 4.00 7.00
M5-0.8 5.00 8.50
M6-1.0 6.00 10.00