Thread density d Threads Per Inch and Thread Pitch p Preferred cutting tap drill size Coarse UNC Fine UNF Extra fine UNEF inch diameter TPI Pitch TPI Pitch TPI Pitch Coarse Fine Extra fine 0 1 5240 80 0 3175 3 64 1 1 8542
2019 7 2 nbsp 0183 32 Threads per inch Depth of thread 1 Double depth of thread Feed depth compound at 30 2 Width of flat Threads per inch 2 0 3247 0 64950 0 3749 0 0625 2 2 1 4 0 2887 0 5773 0 3334 0 0556 2 1 4 2 3 8 0 2735 0 54694 0 3158 0 0526 2 3 8 2 1 2 0 2598 0 51960 0
Thread Major Diameter Thread Per Inch Pitch Diameter Minor Diameter Male Thread Minor Diameter Thread No 12 0 2160 32 0 1957 0 1788 0 1822 1 4 0 2500 32 0 2297 0 2128 0 2162 5 16 0 3125 32 0 2922 0 2753 0 2787 3 8 0 3750 32 0 3547 0 3378
THREAD PITCH 12 14 16 18 20 24 28 1 0 1 25 1 5 1 75 2 0 2 5 3 0 3 5 4 0 4 5 GRADE 18 8 STAINLESS STEEL FINISH PLAIN ZINC STYLE LAG NUT STYLE CASTLE THREAD DIRECTION RIGHT HAND THREAD TYPE COARSE FINE XTRA FINE
Imperial – Inch Bolt Thread Pitch Chart So what is a thread s TPI which is an acronym for Threads per Inch As fastener manufactures we got you covered Below are the most commonly used thread pitches TPI s for inch bolts and nuts Making sure that a nut
Comparison of metric and inch fastener threads Size Series Thread Pitch inches Threads per Inch M14 2 0 Metric Coarse 0 079 12 7 9 16 12 Inch Coarse 0 083 12 M14 1 5 Metric Fine 0 059 16 9 9 16 18 Inch Fine 0 056 18 M3 5 0 6 Metric Coarse 0 024 42 3
Dash Size 2345678 10 12 14 16 20 24 32 40 48 Tube O D 1 8 3 16 1 4 5 16 3 8 7 16 1 2 5 8 3 4 7 8 1 1 188 1 189 22 189 3 Hose I D 1 8 3 16 1 4 5 16 3 8 1 2 5 8 3 4 1 1 188 1 189 22 189 3 JIC 37 Flare Thread 5 16 24 3 8 24 7 16 20 1 2 20 9 16 18 3 4 16 7 8 14 11 16 12 13 16 12 15 16 12 15 8 12 17 8 12 2 189 12 3 12 3 189 12
2021 2 2 nbsp 0183 32 1 Thread sizes in inches are specified by diameter and threads per inch For example in the screw size 10 24 the first digit refers to the thread diameter the and second digit is threads per inch TPI When the diameter smaller than 1 4 the value is indicated
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
Metric Fine Threads THREAD DATA CHART Metric Thread Fine Pitch Nominal Size ISO MF Thread Form Type Major Diameter mm d D Pitch mm p Root Radius mm r Pitch Diameter mm d2 D2 Minor Diameter Male Thd d3
UNF – Unified National Fine Thread and Male UNC UNF threads are both parallel The UNC UNF flank angle is 60 176 Unified threads comes in three different classes for applications where a liberal tolerance is required to permit easy assembly even with slightly nicked threads most commonly used class for general applications
UNJEF Unified Extra Fine Threads with Controlled Root Radius and Increased Minor Diameter UNJEF Thread Series is applicable where extra finer pitches of threads are desirable especially for aerospace application which require controlled root radius as for short lengths of engagement and for thin walled tubes nuts ferrules or couplings
British Standard Fine BSF A finer pitch series analogous to the American Unified Fine UNF although unlike the case of BSW UNC with none of the pitches in common with UNF Many motorcar and motorcycle manufacturers commonly used a lot of BSF threads Diameter Inches T P I Pitch inches
2017 10 23 nbsp 0183 32 The average mechanic can look a bolt and see that it has a fine thread as compared to the standard coarse thread of 1 8 but unless they measured the threads with a gage they will not know if they need a 12 threads per inch nut or a 14 threads per inch nut If your customer asks you for a 1 fine threaded product or they even callout a 1
1 quot 14 Fully Threaded Rods and Studs 18 products Fully threaded rods and fully threaded studs are fasteners with threads running their entire length for full engagement of nuts or other threaded components Threaded rods also known as all thread rods ATR or thread full length rods TFL provide high grip strength and evenly
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
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 Inch mm Thread Size Comparison Chart continued from facing page 19 jan 2018 C AT ALOG 1 4 R P 1 800 265 8772
12 Thread Series 12 UN and 12 UNR Series constant pitch threads with a pitch of 12 threads per inch Numerical tabulation of sizes major minor and pitch diameters Also the Minor Diameter and Tensile Stress areas
Fine Thread UNF SIZE Standard Fine Super Fine JIS 2 56 64 2 0 4 0 4 3 48 56 2 5 0 45 0 45 4 40 48 3 0 5 0 5 5 40 44 4 0 7 0 7 6 32 40 5 0 8 0 8
U N C national coarse roughly derived from the British Whitworth have the same pitches except 1 2 in dia where Whitworth is 12tpi and U N C is 13 tpi Both these threads are 60 degree angle Early Harley and Indian motorcycles used 24tpi threads on most diameters 5 16 and 3 8 UNF are both 24tpi but 1 4 UNF is 28 tpi and a special 1 4 x 24 thread must be used 7 32 x 24 UNC is
29 rows nbsp 0183 32 US Threads Per Inch Table Print this page Bolt Size Threads Per Inch TPI Coarse Thread UNC Fine Thread UNF 0000 160 000 120 00 90 0 80 1 64 72 2 56 64 3 48 56 4 40 48 5 40 44 6 32 40 8 32 36 10 24 32 12 24 28 1 4 quot 20 28 5 16 quot 18 24 16
Pipe Thread Reducer Hexagon Fittings Chrome x Male 3 8 1 2 3 4 Inch Invena MSRP Now 163 9 29 163 9 99 Was Chromed pipe threaded reducer fitting Hexagon reducer will give reduction from 3 4 to 1 2 Inch BSP or from 1 2 to 3 8 Inch BSP Pipe thread reducer is made from chrome plated brass
Imperial Thread Diameters 7tpi 6tpi 8tpi 9tpi 10tpi 11tpi 12tpi 13tpi 14tpi 16tpi 18tpi 20tpi 24tpi 28tpi 32tpi 40tpi Imperial TPI Table Diameter In Inches Threads Per Inch BSW UNC UNF BSF 6 40 40 D 32 32 W 24 24 32 32 4 20 20 28 26 E 18 18 24 22 7 R 1
28 rows nbsp 0183 32 Fine Thread Sizes National Fine Thread Sizes UNF UNRF Measured in Inches
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 G1 2 1 2 quot BSPP 20 955
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
Choose from our selection of 1 quot 12 bolts in a wide range of styles and sizes In stock and ready to ship Email Us We will reply to your message within two hours
Unified Screw Thread Chart UNC UNF UNEF Major Diameter Minor Diameter Pitch External Thread Internal Thread Size from 0 to 2 5 The above data sheet can be used for information purpose only No responsibility can be accepted for errors or
Thread Major Diameter Thread per Inch Pitch Diameter Minor Diameter Male Thread Minor Diameter Thread 1 1 8 1 1250 12 1 0709 1 0258 1 0348 1 1 4 1 2500 12 1 1959 1 1508 1 1598 1 3 8 1 3750 12 1 3209 1 2758 1 2848 1 1 2 1 5000 12 1 4459 1 4008 1
Note 183 Set the finishing allowance on a diameter at approx 004 inch when using a full form insert 183 Please note the cutting depth and the number of passes when a nose radius of a partial or semi full form insert or of an internal threading insert is