We can manufacture specialty all thread rods 1 4 quot to 4 1 2 quot in diameter in most any thread material or finish In metric we can provide M8 through M100 We stock many commonly requested sizes and finishes of all thread rods and studs Plain zinc plated A193 B7 4140 heat treated 304 stainless steel 316 stainless steel 28 2 2019 nbsp 0183 32 This is followed by a dash or x and the TPI thread pitch along with the thread series Next is a dash and the class of fit The length is the last necessary dimension being separated from the class of fit by an x Example of how to specify dimensions for fully threaded rods 188 – 20 UNC – 1A x 6 M12 x 1 75 – 6g x 200mm The taper rate for all NPT threads is 1⁄16 3⁄4 inch per foot measured by the change of diameter of the pipe thread over distance The angle between the taper and the center axis of the pipe is 1 176 47 ′ 24 quot ″ 1 7899 176 Commonly used sizes are 1 ⁄8 1 ⁄4 3 ⁄8 1⁄ 2 3⁄ 4 1 1 1⁄ 4 1 1⁄ 2 and 2 inch appearing on 12 2 2013 nbsp 0183 32 British Pipe Thread Whitworth Form Parallel BSPP BSPF Thread Designation Nominal Size Thread Form Type Major Diameter mmScrew Thread Designations Minor Diameter Major Diameter Pitch Diameter 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

Also known as all threads studding and booker rods For special cut lengths outside of the list below we can custom cut to your required size to meet your job requirements simply send an enquiry and we will get back to you with a quote Metric Dia M3 M64 amp Lengths 600mm 3 6m Imperial Dia 1 8 quot 1 1 2 quot amp Lengths 3ft 12ftNo 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 Inch mm Thread Size Comparison Chart continued from facing page 19 jan 2018 C AT ALOG 1 4 R P 1 800 265 8772 F 1 888 252 6380 www com Inch and Metric8 11 2003 nbsp 0183 32 American pipe threads Pipe thread sizes are described much as bolt sizes are although the shapes are different For example 189 –14 NPT identifies a pipe thread with a nominal inside diameter of 189 inch and 14 threads to the inch made according to the NPT standard If LH is added the pipe has a left hand thread outside diameter of each pipe or fitting must be measured and compared to the table for size identification For example a 3 4 quot NPT pipe thread has an outside diameter of 1 050 inches Each thread size has a defined number of threads per inch TPI The 3 4 quot NPT pipe thread has 14 threads per inch We can manufacture specialty all thread rods 1 4 quot to 4 1 2 quot in diameter in most any thread material or finish In metric we can provide M8 through M100 We stock many commonly requested sizes and finishes of all thread rods and studs Plain zinc plated A193 B7 4140 heat treated 304 stainless steel 316 stainless steel

Full Right Hand Threaded Inch Sizes UNC Coarse Thread Plain Finish Conforms to ASTM A193 Grade B7 Minimum Tensile Strength 125 000 PSI 860 MPa B7 Full Threaded Rod 6 and 12 foot lengths see following page Use with 2H Nuts page B289 and ASTM F436 Hardened Structural Washers page D3 Sizes up to 1 quot nominal size UNC Class 2A fit Minimum 0 033P for all pitches See table for maximum 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 Example designation 3 8 18 NPT where 3 8 nominal pipe size 18 number of threads per inchAll thread rod is used for anchor bolts flange bolts and extenders along with being a substitute for double end threaded rod or traditional forged head bolts Threaded rod sizes can come in 3 or 6 lengths and can also be sold in full 12 lengths with a quote from our sales team Expand 150 KSI All Thread Bar The 2 1 4 diameter bar is not covered under ASTM A722 ACI 318 14 Section 17 5 1 2 indicates that the nominal shear strength of an anchor not exceed 0 60 x area of steel x the ultimate stress of the steel Designers should utilize appropriate resistance factors for shear based on the condition of use Bolt Thread Length Per ASME B18 2 1 the nominal thread length of inch series bolts can be found by where L is the total bolt length and d nom is the nominal bolt diameter Hex Bolt Head Dimensions The following table of hex bolt head dimensions was adapted from ASME B18 6 3 Table 29 quot Dimensions of Plain Unslotted and Slotted Regular and Large Hex Head Screws quot

27 rows nbsp 0183 32 UNC thread is the most common designation for all thread rods UNF thread is Cast Iron Flanges Stud Reference Chart The number diameter and length of studs for cast iron flanges class 125 and 250 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 1 quot x30 quot Structural Anchor Bolt 4 quot Bend and minimum 6 quot Thread Length Material Select Above GR55 GR55 HDG GR105 304SS Diameter Min 0 910 quot Length 30 quot Thread Size 1 quot 8 Hook Length 4 quot Thread Length Min High Strength 410 StainlessSteel Threaded Rods Grade B6 Stronger and more wear resistant than 18 8 stainless steel these threaded rods are mildly chemical resistant They meet the pressure and temperature requirements of ASTM A193 and are often used to secure pressure tanks valves and flanges 8 7 2021 nbsp 0183 32 Ideal for a variety of applications Simpson Strong Tie threaded rod is sized for anchoring applications whether it be a cast in place anchor bolt or an anchor installed with our anchoring adhesive Cut to length for convenience Fully threaded Diameter 1 in

SI Metric Threads 60 Deg Angle Dimensions in Millimetres Inch table below Thread Form Data Tapping Drill Clearance Drill Diameter O Diameter Core Pitch Depth Flat Effective Dia T P I Dec Met Frac Dec Met Frac 6mm 6 00mm 4 70mm 1 00mm 0 650mm 0 125mm 5 350mm 25 40 5 00mm 6 10mmThread Form Type Major Diameter mm d D Pitch mm p 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 10 2021 nbsp 0183 32 A pitch gauge measures the threads per inch For metric threads this tool measures the distance between the threads If you re looking to buy a thread pitch gauge Grainger has a pretty good selection How to Identify Different Types of Threads Step 1 – Male Threads v ThreadsOne of the factors is that the threads of mating parts must have the same TPI threads per 1 inch However it should be noted that the Metric DIN EU standards discuss this feature in reverse and refer to it as a thread s pitch which is the distance in mm between 2 It is important to note that in this specification the threading standard for rods above 1 in diameter is 8 threads per inch tpi However B7 threaded rod with Unified National Coarse UNC threads is also readily available Both threading options are stock items so make sure to double check which thread pattern you need for your application