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3/8 thread dimensions

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Thread Type Guide NPT BSP JIS SAE Metric Trimantec

2021 10 13 nbsp 0183 32 Parallel threads will often require an o ring or thread tape to ensure a tight seal Step 3 – Pitch Size The next step in identifying your thread type is to determine the pitch size A thread s pitch size is the number of threads per inch or the distance between threads on metric thread types While a ruler could be used to calculate the

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External Thread Dimensions for UNC Screw Thread 2016

External Thread Dimensions for Unified UNC Screw Threads Diameter Pitch TPI Thread Fit Class Major Diameter Pitch Diameter Minor Diameter Stress Area Max Min Max Min Max Min in 178 64 2A 0 0724 0 0686 0 0623 0 0603 0 0538 0 00263 No 2 56 2A 0 0854 0 0813 0 0738 0 0717 0 0642 0 00370 No 3 48 2A 0 0983 0 0938 0 0848 0 0825 0 0734 0 00487 No 4 40 2A

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tool joint dimensional data OilProduction

3 1 2 pac 3 3 4 2 2 884 4 1 1 2 v 076 3 19 32 3 7 64 3 8 3 7 8 3 1 4 3 047 3 000 2 641 SH 4 1 8 2 1 8 3 183 4 2 V 065 3 61 64 3 29 64 5 8 4 1 8 3 1 2 3 391 3 266 2 812 API REG

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Unified Thread Series 8 TPI ANSI ASME B1 1

Nominal Diameter Major Diameter Inch Major Diameter mm Tapping Drill Size mm TPI Pitch mm 1 1 16 quot 8 UN 1 0625 26 987 24 000 8 3 175 1 1 8 quot 8 UN 1

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12UN 60 Degree Unified Thread Dimensions amp Specifications

The 12 thread series 12 UN is a uniform pitch series for large diameters requiring threads of medium fine pitch Although originally intended for boiler practice it is now used as a continuation of the Fine Thread Series for diameters larger than 11⁄2 inches 5 8 quot 1 7 16 quot 1 9 16 quot 2 1 8 quot 2 1 4 quot 3 1 8 quot 3 1 4 quot 6 quot

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Pipe Thread size chart Trask Instrumentation

Threads per inch Pitch Diameter mm d2 D2 Minor Diameter Male Thd d3 Thread Height H1 Tap Drill Diameter mm G1 8 1 8 quot BSPP 9 728 0 907 28 9 147 8 566 0 581 8 70 G1 4 1 4 quot BSPP 13 157 1 337 19 12 301 11 445 0 856 11 60 G3 8 3 8 quot BSPP 16 662 1 337 19

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Thread Data Charts

29 rows nbsp 0183 32 2013 02 12 nbsp 0183 32 Diameter Male Thd d3 Thread Height H1 Tap Drill Diameter mm

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8 Thread Series 8 UN and 8 UNR eFunda

8 Thread Series 8 UN and 8 UNR Series constant pitch threads with a pitch of 8 threads per inch Numerical tabulation of sizes major minor and pitch diameters Also the Minor Diameter and Tensile Stress areas

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Bolt Dimensions Baden Steelbar amp Bolt Corp

0 050 quot for sizes 5 8 quot and 3 4 quot 0 060 quot for sizes over 3 4 quot to 1 1 4 quot 0 090 quot for sizes over 1 1 4 quot to 2 quot 0 120 quot for sizes over 2 quot to 3 quot Reduced Diameter Body Bolts may be obtained in quot reduced diameter body quot Where quot reduced body diameter quot is specified the body diameter may be reduced to approximately the pitch diameter of the thread A shoulder

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3 8 quot drive dimensions The Hobby Machinist

2018 07 02 nbsp 0183 32 My male 3 8 quot drives measure about 371 quot with only slight breaks at the corners so I would make the socket 375 quot with clearance to the corners I would spot and drill a pilot hole at the four corners of the 3087 square and plunge cut the four 3 32 quot holes to depth Then I would drill a 1 4 quot or 5 16 quot hole to depth at the center of the pocket and

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British Standard Pipe Taper BSPT Threads Size Chart

British Standard Pipe Taper BSPT Threads Size Chart 1 4 19 1 337 13 157 0 518 6 8 13 5 0 53 2 3 3 8 19 1 337 16 662 0 656 6 4 10 17 2 0 68 2 3 1 2 14 1 814 20 995 0 825 8 2 15 21 3 0 84 2 6 5 8 14 1 814 22 911 0 902 16 2 6 3 4 14 1 814 26 441 1 041 9 5 20 26 9 1 06 2 6 1 11 2 309 33 249 1 309 10 4 25 33 7 1 33 3 2 1 188 11 2 309 41 91 1 65 12 7 32 42 4 1 67 3 2 1 189

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Basic Dimension of National Standard NPT Pipe Threads

Example designation 3 8 – 18 NPT where 3 8 nominal pipe size 18 number of threads per inch Tolerances When using L1 gauges to check threads the thread is within permissible tolerance if the ring gauge face or plug gauge notch is 1 turn from being flush with the end of the thread Note Basic dimensions are given to four or five

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US Hex Bolt Sizes and Thread Pitches Bolt Depot

3 8 24 7 16 20 1 2 20 9 16 18 Length is measured from under the head to the end of the bolt 4 40 9 16 1 2 7 16 3 8 5 16 1 4 10 8 6 4 Coarse thread Fine thread Coarse thread Fine thread Coarse thread Fine thread Coarse thread Fine thread Coarse thread Fine thread Coarse thread Fine thread Coarse

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Internal and External Thread Dimensions Dependable Acme

The dimensions listed below can be used to determine the diameter along with the thread pitch Place an Order Today 800 893 3792 Email depacme aol com Fax 516 997 5464 69 Sylvester St Westbury NY 11590 Home About Acme Thread Sizes Thread Gage Guide Thread Dimensions Customer Letter Contact Us Blog Acme General Purpose 2G Thread

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Fine Thread Sizes Eagle Fastener Corporation

Fine Thread Sizes National Fine Thread Sizes UNF UNRF Measured in Inches Nominal Size Major Diameter Threads inch Basic Pitch Diameter Minor Diameter Lead Angle at Basic Pitch Diameter Height of Fundamental Triangle Tensile Stress Area Degrees Min square inches 0 0 060 80 0 052 0 047 4 23 0 01083 0 002 1

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Standard Thread Pitch Chart Atlanta Rod and Manufacturing

8 Thread Series – 8UN Nominal Size and Threads Per In Basic Pitch Dia Section at Minor Dia Tensile Stress Area Nominal Size and Threads Per In Basic Pitch Dia Section Minor Dia Tensile Stress Area Nominal Size and Threads Per In Basic Pitch Dia Section Minor Dia In Sq in Sq in In Sq in Sq in In Sq in 3 ⁄ 8 – 16 0

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Understanding Screw Sizes – Inch Standards

Understanding Screw Sizes – Inch Standards Screws with a diameter smaller than 1 4 quot have a nominal size indicated by a number e g 8 or 10 1 4 quot and larger diameters are shown as inches The diameter refers to the major diameter or outside edge of the threads If the screw size includes a dash with a number following it that is the

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Thread Geometry Unified Coarse UNC TR Fastenings

Thread Major Diameter Thread Per Inch Pitch Diameter Minor Diameter Male Thread Minor Diameter Thread 1 1 4 1 2500 7 1 1572 1 0799 1 0954 1 3 8 1 3750 6 1 2667 1 1766 1 1946 1 1 2 1 5000 6 1 3917 1 3016 1 3196 1 3 4 1 7500 5 1 6201 1 5119 1 5335 2 2 0000 4 5 1 8557 1 7353 1 7594 2 1 4 2 2500 4 5 2 1057 1 9853 2 0094 2

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Coarse Thread Eagle Fastener Corporation

Coarse Thread Sizes National Coarse Thread Sizes UNC UNRC Measured in Inches Nominal Size Major Diameter Threads inch Basic Pitch Diameter Minor Diameter Lead Angle at Basic Pitch Diameter Height of Fundamental Triangle Tensile Stress Area Degrees Min square inches 1 0 073 64 0 063 0 056 4 31 0 01353 0 003 2 0 086 56

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Thread Standards Tameson com

Specifically speaking at 1 16 1 8 1 4and 3 8 sizes pitch difference results in misalignment of the threads This misalignment might result in the threads to be fastened only partially However at 1 2 and 3 4 sizes NPT and BSP have the same pitch which will allow them to engage well Nevertheless since there are differences in thread forms and thread angles there will still be

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ANSI Internal Screw Threads Size and Tolerances Table

ANSI ASME INTERNAL Screw Thread Size Chart All units are in inches Unified Screw Threads per ANSI ASME B1 1 1989 R2001 R2001 Nomenclature are used Acceptability criteria are described in ANSI ASME B1 3M 1992 R2001 Note This screw chart is not comprehensive of all available standard threads as provided by the standard

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BSPP Thread Chart Dimensions Amesweb

BSPP Thread Dimensions Calculator shows dimensions tolerances and designation for fastening pipe threads for thread sizes from 1 16 to 6 according to ISO 228 1 standard The thread form follows the British Standard Whitworth thread Some important notes from the ISO 228 1 standard Both internal and external threads are parallel threads BSPP threads

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Inch and Metric Thread Size Comparison Chart Pouce et M 233 trique

3 500 88 90 3 1 2 quot 4 8 3 543 90 00 M90 6 0 3 750 95 25 3 3 4 quot 4 8 3 937 100 00 M100 6 0 4 000 101 60 4 quot 4 8 NORTH AMERICAN No of Threads Inch UNC UNF UNEF 8UN NPT METRIC Dia Thread Pitch in mm mm Coarse Fine Dia Size Gauge Dia Size Gauge BRITISH No of Threads Inch BA BSW BSF BSP Major Dia

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British Standard Pipe Thread BSP Thread Chart Apollo

One is Parallel threads or we can say Straight threads The second one is the Taper Thread BSP is BRITISH STANDARD PIPE THREAD– Also known as Whitworth 55 176 Thread Form BSPT is BRITISH STANDARD PIPE TAPER THREAD – Thread form per AS 1722 1 BS 21 ISO 7 BSPP is BRITISH STANDARD PIPE PARALLEL THREAD – Thread form per AS 1722 2 ISO

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ANSI External Screw Threads Size Tolerances Chart

95 rows nbsp 0183 32 ANSI ASME EXTERNAL Screw Thread Size Chart All units are in inches Unified Screw Threads per ANSI ASME B1 1 1989 R2001 R2001 Nomenclature are used Acceptability criteria are described in ANSI ASME B1 3M 1992 R2001

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Fastener Size Tables MechaniCalc

ASME B1 1 Section 8 3 In the table above d nom is nominal diameter in inches and TPI is threads per inch Flat Washer Dimensions The following table of flat washer dimensions was adapted from ASME B18 21 1 Table 11 for Type A Plain Washers Type A washers come in 2 series Narrow and Wide Size

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UNC and UNF Unified Inch Screw Threads

EN 10226 Pipe Threads where pressure tight joints are made on the threads Dimensions Pipe threads where pressure tight joints are made on the threads Part 1 Taper external threads and parallel internal threads Flanges ASME ANSI B16 5 Flanges and Bolt Dimensions Class 150 to 2500 Diameters and bolt circles for standard ASME B16 5

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UN imperial screw thread calculator

2015 02 13 nbsp 0183 32 The thread series is generally relative to the outside diameter of the screw 20 threads per inch on a 1 4 quot diameter screw is considered coarse 1 4 20 UNC On a 3 4 quot diameter screw 20 threads per inch is considered extra fine 3 4 20 UNEF It also plays a role in determining the length of engagement UN standard series thread

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THREAD and POINT DIMENSIONS FOR THREAD CUTTING

14 250 14 246 237 192 185 179 143 107 3 8 1 2 March 2007 H Paulin amp Co a division of The Hillman Group Canada ULC Z5 THREAD DIMENSIONS FOR TAPPING SCREWS These lengths or shorter have Type AB Threads Type A Type AB Threads D 180 d 180 L 180 Min Practical Nominal Basic Screw per Major Diameter Minor Diameter Screw Lengths Screw Size Dia

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Acme Thread Data Sheets LittleMachineShop com

3 5000 2 3g stub acme 3 1686 3 2250 8 3241 3 2555 4 9714 5 3986 3 5000 2 4g stub acme 3 1719 3 2250 8 3379 3 2582 4 9686 5 3956 4 0000 2 2g stub acme 3 6551 3 7250 11 0108 3 7442 5 7618 6 1900 4 0000 2 3g stub acme 3 6684 3 7250 11 0760 3 7553 5 7484 6 1757 4 0000 2 4g stub acme 3 6717 3 7250 11 0923 3 7581 5 7451 6 1721 4 5000 2 2g stub acme