G-Series pipe thread chart (British standard pipe parallel was BSPP & BSPF) and PF-Series pipe thread chart (Japanese pipe parallel).

internal thread D = Basic Diameter P = Pitch H = 3 2 × P = 0.866025404 × P h n = 5 8 × H h d n = 1 4 × H D 1 = D − 2 × h n D 2 = D 1 + 2 × h a n F r n = P 8 F c n = P 4 The above formulas provide the exact results. You case use them directly, utilize our Thread Calculator [ , or browse the below charts. Metric thread Dimensions Charts

MARYLAND METRICS -- THREAD DATA CHART: Metric Thread -- Coarse Pitch. Nominal British Pipe Thread ( Whitworth Form) -- Parallel (BSPP/BSPF) -- (G).

G/R/RP - Whitworth thread (BSPP/BSPT) View the table G = BSPP ISO 228 (DIN 259) R/Rp/Rc = BSPT ISO 7 (DIN 2999 replaced by EN10226) UNC/UNF - Unified national thread. View the table UNC ANSI B1.1 UNF ASNI B1.1. Drawings of other threads. Conversion factor. Download the types of thread document.

POB 1778 Greer, SC 29652 414 West Poinsett Street Greer, SC 29650 [email protected] Ph: 864-848-3993 www.traskinst.com Fax: 864-848-9569 G-SERIES PIPE THREAD (BRITISH STANDARD PIPE PARALLEL

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.

Fastener and Screw / Bolt Design, Formula and Calculations External Pipe Threads per. ISO 228-1, Pipe threads where pressure-tight joints are not made by the threads. These pipe threads are also known as Whitworth pipe threads. Where: D = Major Dia.internal thread D 1 = Minor Dia.internal thread D 2 = Pitch diameter internal thread

Requirements for thread form, dimensions, tolerances and designation for fastening pipe threads, thread sizes. ; G 1/4, 13.16, 11.89, 11.80 

Whitworth British Screw Threads Size Chart BSW and BSF. ANSI Hardware Menu | Hardware Supplier and Manufacturers Fastener and Screw / Bolt Design, Formula and Calculations. The Whitworth British Thread standard is obsolete and not in use as a standard for new products. The information contained herein is for reference only in the application of

internal thread D = Basic Diameter P = 1 T P I H = 3 2 × P = 0.866025404 × P h n = 5 8 × H h a n = 1 4 × H D 1 = D − 2 × h n D 2 = D 1 + 2 × h a n F r n = P 8 F c n = P 4 Unified Inch Threads Dimensions Charts UNC Series Basic Dimensions chart Click the Thread Link to get the Full Thread Data for all classes in Inch and Metric units.

Chart No 1 - Whitworth Threads Whitworth Form Threads (55 Deg Thread Angle) Dimensions in Inches except where stated Thread Form Data Tapping Drill Clearance Drill Diameter O/Diameter Core Pitch Depth Radius Effective Dia T.P.I Dec / Met / Frac Dec / Met / Frac 1/8" 0.1250 0.0930 0.0250 0.0160 0.0034 0.1090 40 0.1004 - 2.55mm 0.1299 - 3.30mm

British Pipe Thread ( Whitworth Form) -- Parallel (BSPP/BSPF) -- (G). Major Dia External Thread Internal Thread Tap Size Size pitch Major Dia Pitch Dia Minor 

Chart No 1 - Whitworth Threads Whitworth Form Threads (55 Deg Thread Angle) Dimensions in Inches except where stated Thread Form Data Tapping Drill Clearance Drill Diameter O/Diameter Core Pitch Depth Radius Effective Dia T.P.I Dec / Met / Frac Dec / Met / Frac 1/8" 0.1250 0.0930 0.0250 0.0160 0.0034 0.1090 40 0.1004 - 2.55mm 0.1299 - 3.30mm

29 rows · Feb 12,  · 3 Controlled Root Radius on External Thread. 4 Controlled Root Radius on Internal Thread. 5 N vs. UN. 6 STI Gage Before or After Inserted. 7 STI Gage Tolerances. 8

Metric Thread 10 12 14 16 18 20 22 24 26 27 30 33 36 42 48 M 10x1.0 M 12x1.5 M 14x1.5 M 16x1.5 M 18x1.5 M 20x1.5 M 22x1.5 M 24x1.5 M 26x1.5 M 27x2.0 M 30x2.0 M 33x2.0 M 36x2.0 M 42x2.0 M 48x2.0 15/16 - 12 THREAD CHARTS • JIC - SAE • Metric/International VISIT US AT BRENNANINC.COM

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 Minor Diameter Thd. D1 Thread Height Male Thd. h3 Thread Height Thd. H1 Tap Drill Diameter mm; 1.0x0.2: M: 1.00: 0.20: 0.029: 0.870: 0.755: 0.783

Fastener and Screw / Bolt Design, Formula and Calculations Internal Pipe Threads per. ISO 228-1, Pipe threads where pressure-tight joints are not made by the threads. These pipe threads are also known as Whitworth pipe threads. Where: D = Major Dia.internal thread D 1 = Minor Dia.internal thread D 2 = Pitch diameter internal thread

Thread Form r = Basic Radius = * 137329 p h = Basic Depth of Thread = *640327 p p = Pitch = 1/t.p.i. (Threads per Inch) ISO 228, DIN 259, BS2779, JIS B0202 In Japan this thread is known as (PF) Use prefix G for parallel thread. Example: G1/2 11 /

The most common types of Whitworth thread are: BSPP (G) – British Standard Pipe Parallel; BSPT (R/Rp) – British Standard Tapered Pipe, for pipes and tapered 

G is a 55 degree non-threaded sealed pipe thread, and it belongs to the Wyeth thread family. It is marked as G, which represents cylindrical thread. The national standard can be found in GB/T7307. In addition, 1/4, 1/2 and 1/8 in thread refer to

External thread th. Designation of thread. Number of threads in 25.4 mm. Pitch P. Height of thread h. major d = D. pitch d2 = D2. minor d1 = D1. Lower deviation.