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M30 - Coarse 3.5mm, Fine 2.0mm?Metric Thread Pitch and Tapping SizesSizePitch (mm)Tapping Diameter (mm)Clearance Holes (mm)
CoarseFineCoarseFineCloseMediumCoarse
M1.60.35
1.25
1.71.82.0
M20.4
1.6
2.22.42.6
M2.50.45
2.05
2.72.93.1
M30.5
2.5
3.23.43.6
M40.7
3.3
4.34.54.8
M50.8
4.2
5.35.55.8
M61.0
5.0
6.46.67.0
M81.251.06.87.08.49.010.0M101.51.258.58.710.511.012.0M121.751.2510.210.8131415M162.01.514.014.517.018.019.0M202.51.517.518.521.022.024.0M243.02.021.022.025.026.028.0M303.52.026.528.031.033.035.0M364.03.032.033.037.039.042.0
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What is meant by 7h in theard cutting?

"7H" in thread cutting refers to the thread pitch or the distance between each thread. It indicates that there are 7 threads per inch in the thread being cut. This measurement is crucial for creating threads that match the corresponding nut or bolt.


How you can install lock wire on the bolt heads?

To install lock wire on bolt heads, first thread the wire through a hole in one bolt head, then twist the wire around itself to secure it. Next, thread the wire through the hole in the adjacent bolt head and wrap it around that bolt head as well. Finally, twist the ends of the wire together tightly to prevent the bolts from loosening.


What does SCR-HXFL refer to on a metric bolt?

SCR-HXFL on a metric bolt typically indicates the bolt's specifications and features. "SCR" often refers to a screw type or strength class, while "HX" denotes a hexagonal head design. "FL" may indicate that the bolt has a flange or is designed for specific applications. Together, these designations help identify the bolt's intended use and compatibility with various fastening systems.


What is Difference between mm and inches bolt?

inch size bolts have the number of teeth in the length of 25.4mm length while in mm size bolts has the number of teeth on the 1mm length...so mm size(TPM) thread is more strengthen than inch(TPI) size bolts


Which way does the metric bolt turn?

They are threaded the same way as SAE bolts; both have applications that have reverse or "left-handed" threads.

Related Questions

How can you easily identify the difference between a metric bolt and an imperial bolt?

you can identify the slight different between an imperial bolt and a metric bolt by looking how fine their thread pitch looks like or feels like


How is the size of metric bolt expressed?

The size of a metric bolt is expressed in terms of its diameter, thread pitch, and length. For example, a bolt size might be specified as M8 x 1.25 x 50, where "M" indicates it's a metric bolt, "8" is the diameter in millimeters, "1.25" is the thread pitch in millimeters, and "50" is the length in millimeters. This standardized nomenclature helps ensure compatibility and proper fit in applications.


What thread is used on the 1988 Mitsubishi Lancer crankshaft pulley bolt?

Take the bolt to a machine shop and they can tell you . if you dont have it most metric auto bolts have a 125 thread pitch but i dont know the diameter.


What data relates to the bolt thread pitch?

Standard thread are meassured in number of threads per inch (example 1/4-20) 1/4 inch dia. bolt with 20 threads per inch. Metric threads are measured in mm between thread (M8 x 1.5), an 8 MM bolt with a thread pitch of 1.5MM between threads.


What is a thread guide?

A thread guide is a tool to measure the number and pitch of threads on a bolt


How do you read dimensions of bolts I am trying to sell motorcycle fairing bolts I have a lot and I found somewhere that shows the sizes but how do you measure the metric bolts they say 6x14 6x16?

The first number is the diameter of the bolt in millimeters and the second is the length in millimeters.So just like a 1/2 x 6 US bolt is 1/2 inch in diameter and 6 inches long...a 6x14 metric bolt will be 6 millimeters in diameter and 14 millimeters long.There is another measurement you may have to worry about with larger sizes. Namely the thread pitch. In metric you typically only see fine thread bolts starting at 8mm (8 millimeter diameter) and up.You may see measurements like 8 x 1.0 x 40. This would be an 8mm diameter bolt 40mm long with a 1.0 thread pitch. The standard pitch for 8mm bolts is 1.25 so this would be a fine thread bolt.


What are the parts of the screw?

the parts of the screw are thread, pitch, and the last is bolt


What does M6 X1 mean?

6mm bolt with 1.0 thread pitch


What is the tap thread size on a crankshaft pulley bolt for a 2006 Kia Sportage 2.7L V6?

The tap thread size for the crankshaft pulley bolt on a 2006 Kia Sportage 2.7L V6 is typically M10 x 1.25. This means the bolt has a metric diameter of 10 mm with a thread pitch of 1.25 mm. Always verify with a service manual or consult a professional for specific applications and any variations.


What is meaning of M10 Bolt?

An M10 bolt is a metric bolt with a nominal diameter of 10 millimeters. The "M" denotes that it is a metric thread, while the number indicates the diameter. M10 bolts come in various lengths and thread pitches, making them suitable for a wide range of applications in construction and machinery. They are typically used with corresponding nuts and washers to secure components together.


What is a 8 mm by 125 pitch bolt?

8mm is metric size for bolt125 pitch is the number of threads per inch


What does m mean in m6 thread?

In an M6 thread, the "M" stands for metric, indicating that the thread is measured in millimeters. The "6" signifies the nominal diameter of the screw or bolt, which is 6 millimeters. This designation is part of a standardized system used for metric fasteners, ensuring compatibility and consistency across different applications.