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• 2014-01-22

Table 2 Unified Inch Coarse and Fine Threads Bolt size as a fraction number and decimal inches and threads per inch for Unified inch coarse UNC and Unified inch fine UNF thread types 1 8 5 32 and 3 16 are stove bolt sizes Unified Inch Coarse and Fine

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• 2014-01-22

Bolts with coarse threads have a larger pitch fewer threads per axial distance compared to fine threads A coarse threaded bolt is specified for most applications unless there is an overriding reason to use a fine threaded bolt e g thorough thread

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• 2014-01-22

2009 12 24 nbsp 0183 32 I notice the manufacturer of these cars was partial to fine thread bolts In fact I can t recall any part of the car where I ve found a coarse thread fastener unless it s trim I m wondering if one has a strength advantage over the other I needed longer bolts for my rear

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• 2014-01-22

Also coarse threads are less affected by problems like thread interference and gaging since their plating allowance is less than fine threads Galling It is common that coarse thread fasteners are engineered from stainless steel which makes them anti corrosive and experience less galling in comparison to fine threads

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• 2014-01-22

2004 12 23 nbsp 0183 32 Fine thread bolts vs course thread bolts by Rodney Started on 12 22 2004 07 30 AM Replies 11 Last post by Boondawg on 12 23 2004 09 58 PM Dec 22nd 2004 Rodney Member Posts 4713 From Caledonia WI USA Registered Feb 2000 Feedback score

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• 2014-01-22

People Also Asked What is the difference between coarse and fine thread bolts A Coarse threads have larger pitch fewer threads per axial distance compared to fine threads Fine threads are more susceptible to galling than coarse threads They need longer thread engagements and are more prone to damage and thread fouling

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• 2014-01-22

Information and online shopping for grade 8 nuts bolts and assortments in fine and coarse thread A grade 8 bolt is stronger than the more commonly used grade 5 It is made of alloy steel and has six radial lines on the top of the bolt head

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• 2014-01-22

2017 3 23 nbsp 0183 32 This entry was posted in News and tagged din machine screw thread metric metric thread size thread pitch Bookmark the permalink ← Metric DIN 7973C Slotted Raised Countersunk Oval Head Tapping Screws Specifications

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• 2014-01-22

2020 8 13 nbsp 0183 32 coarse vs fine thread bolts discussion in the Tractor Talk forum at Yesterday s Tractors TRACTOR PARTS Allis Chalmers Case amp David Brown Farmall amp International Ferguson Ford amp New Holland John Massey Ferguson Massey Harris

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• 2014-01-22

What is the difference between fine and coarse thread fasteners A A fastener with a fine thread equates to a fastener with a large number of threads per distance along the fastener In contrast a coarse thread fastener equates to a fastener with a low number of threads per distance along the fastener Q

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• 2014-01-22

Coarse Thread UNC Fine Thread UNF Pitch Size TPI Size TPI Size TPI Size TPI Size Coarse Fine 1 64 1 8 0 80 7 8 14 M4 0 70 0 50 2 56 1 1 8 7 1 72 1 121 M5 0 80 0 50 3 48 1 1 4 7 2 64 1 1 8 12 M6 1 00 0 75 4 40

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• 2014-01-22

2015 7 2 nbsp 0183 32 Standard Thread Pitch Chart Technical Menu Posted on July 2nd 2015 by vapro Coarse Thread Series – UNC Fine Thread Series – UNF 8 Thread Series – 8UN Nominal Size and Threads Per In Basic Pitch Dia Section at Minor Dia Tensile Stress Area

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• 2014-01-22

2006 12 15 nbsp 0183 32 Bolts fine thread vs coarse If this is your first visit be sure to check out the FAQ by clicking the link above You may have to register before you can post click the register link above to proceed To start viewing messages select the forum that you want to visit

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• 2014-01-22

2013 9 28 nbsp 0183 32 hey guys I know most ubolts are fine thread and that fine thread is stronger but is it that important would course threaded bolts really be too weak to 3 Arm Wiper Setup Fix Motor Mount Roll Cage Braces Throttle Body 65mm Wheel Alignment Heat Riser

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• 2014-01-22

bolt to accommodate a cotter pin or safety wire for position locking Sizes 1 4 to 1 1 2 inches in both fine and coarse threads HEX MACHINE SCREW NUTS These nuts are made by blanking from low carbon strip or sheet steel They are normally available

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• 2014-01-22

Coarse versus Fine Thread Types The Benefits and Drawbacks For most industrial applications coarse threads are generally better than fine threads They offer great resistance when it comes to cross threading and stripping and are thus more durable

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• 2014-01-22

Answer 1 of 3 With a coarse thread power screw you have the advantage of your implememt being able to move faster and deliver higher final pressures as the threads are more robust The disadvantages are in fine control and speed ranges for an implement

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• 2014-01-22

2020 4 17 nbsp 0183 32 Fine vs Coarse Thread All fasteners are available with either coarse or fine threads Finely threaded bolts have larger stress areas than coarse bolts of the same diameter so if you are limited on the bolt size due to dimensional constraints choose a fine thread for greater strength

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• 2014-01-22

2016 11 9 nbsp 0183 32 In many instances fine thread bolts are stronger than coarse thread bolts This can be seen in terms of tension as a result of a larger stress area as well as the shear as a result of the larger minor diameter It must be said that there are pros and cons to both types of bolts

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• 2014-01-22

2018 3 19 nbsp 0183 32 Fine Thread While coarse threading fasteners are better suited for general purpose applications fine thread applications tend to have many benefits that make them the ideal choice when specifics matter Fine threading has a higher tensile strength than coarse threading and it can be measured more accurately

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• 2014-01-22

2015 4 9 nbsp 0183 32 It s a legitimate question considering that coarse threads are stronger and have an overall greater resistance to cross threading and stripping while the fine thread fasteners have a slightly larger tensile stress area The short answer is that for general industrial applications coarse thread bolts present several advantages over fine threads

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• 2014-01-22

2020 7 6 nbsp 0183 32 Alex from Newman Tools explains the difference between NC National Coarse and NF National Fine threads He ll also cover the similarities and differe

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2019 4 22 nbsp 0183 32 For instance a 189 nominal diameter bolt may have 13 threads per inch which is a coarse thread A fine thread bolt of the same nominal diameter has 20 threads per inch

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• 2014-01-22

Over time there have been as many as 11 standard thread series but as a practical matter today only 3 coarse UNC fine UNF and 8 thread 8 UN are in common use The evolution of thread series owes much to thread cutting and forming technologies as they evolved over the last hundred or so years

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• 2014-01-22

Re coarse vs fine thread bolts in reply to Charlie M 08 12 2020 08 26 56 Fine thread bolts are so the junk man has something to haul away They always stripped easier for me and didn t hold the job as well

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• 2014-01-22

2020 7 17 nbsp 0183 32 Bolts with coarse threads have a larger pitch fewer threads per axial distance compared to fine threads A coarse threaded bolt is specified for most applications unless there is an overriding reason to use a fine threaded bolt e g thorough thread adjustment is

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• 2014-01-22

2020 6 26 nbsp 0183 32 Beside this what is the difference between coarse and fine thread bolts A Coarse threads have larger pitch fewer threads per axial distance compared to fine threads Fine threads are more susceptible to galling than coarse threads They need longer thread engagements and are more prone to damage and thread fouling

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• 2014-01-22

2007 9 11 nbsp 0183 32 Some of the radiator framework in my bus is held down with fine thread flanged frame bolts I lost two of these bolts somewhere along the way Hardware stores and auto parts stores only have the coarse threaded version of these bolts I ve tried MCMaster Carr

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• 2014-01-22

2004 12 27 nbsp 0183 32 Please see FAQ731 376 for tips on how to make the best use of Eng Tips Fora RE fine threads versus coarse threads snaketray Mechanical 10 Oct 03 13 33 One aspect not mentioned is torque accuracy Fine threads will increase torque accuracy up to

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• 2014-01-22

2020 2 27 nbsp 0183 32 Coarse thread series M UNC UNRC is generally used for mass production of threaded fasteners such as bolts screws nuts etc It has unique advantages in some rough operation applications that require quick assembly or disassembly and are easy to produce corrosion and damage