TheUNJ thread standard (ASME B1.15) defines a system of threads for highly stressed applications requiring high fatigue strength. It was derived from a military specification (MIL-S-8879) originally published in December 1965. MIL-S-8879 was primarily thought of an used for aerospace fastener and threaded component applications. Increasethe major diameter of the Go thread plug by half the maximum plating and increase the No Go thread plug major diameter by half the minimum plating. Example for Thread Plug Gage: Plating of .0002" - .0003" allowance per side multiple x 4 .0003 x 4 = .0012" Max .0002 x 4 = .0008" Min ½ - 20 UNF 2B P/P
ThreadMajor diameter Thread per inch Pitch diameter Minor diameter male thread Minor diameter female thread; 1/4: 0.2500: 28: 0.2268: 0.2074: 0.2113: 5/16: 0.3125
Choosefrom our selection of 3/4"-16 jam nuts in a wide range of styles and sizes. In stock and ready to ship. UNF. RoHS Compliance. RoHS 3 (2015/863/EU) Compliant. RoHS 3 (2015/863/EU The strength of the bolt should match the strength of the nut to prevent damaging threads. For technical drawings and 3-D models, click on a part number
nominalsize go basic all classes all angle series unified pitch diameters not go x tol. go =+ no go =-x lead tol. x± half angle cl.2b cl.3b tol. (.060) #0-80 unf.0519 .0542 .0536 .0002 .0002 0°30' (.073) #1-64 unc.0629 .0655 .0648 .0002 .0002 0°30' (.073) #1-72 unf.0640 .0665 .0659 .0002 .0002 0°30' (.086) #2-56 unc.0744 .0772 .0765 .0002 .0002 0°30'

10 - 32 UNF : Basic Thread Dimensions (Pitch, minor & major diameters, depth, lead), Tolerance range for all applicable classes and much more #10 - 32 UNF 2B (Internal) * Permisable values for thread Class 2B # Description Value (Inch) VValue (mm) D 1: Minor Diameter: 4.16: 70%: 0.162: 4.10: 75%: 0.160: 4.05: 80%: 0.158: 4.00: 85%: 0.

23/4 - 16 16-UN : Basic Thread Dimensions (Pitch, minor & major diameters, depth, lead), Tolerance range for all applicable classes and much more * Permisable values for thread Class 2B # Description Value (Inch) VValue (mm) D 1: Minor Diameter: 2.682 - 2.696: 68.123 - 68.478: D 2: (UNC/UNF/UNEF) National Pipe (NPT) Dryseal Pipe (BPTF
Choosefrom our selection of 3/4"-16 adapters in a wide range of styles and sizes. In stock and ready to ship. BROWSE CATALOG. UNF. UNJ/UNJF (JIC) UNJF. System of Measurement. Inch. Metric. Thread Size. See all. 3/4"-16. Fitting Type. Adapter. The male pipe threads on these fittings have a sealant applied for extra protection against leaks.
58 - 18 UNF : Basic Thread Dimensions (Pitch, minor & major diameters, depth, lead), Tolerance range for all applicable classes and much more 5/8 - 18 UNF 2B (Internal) * Permisable values for thread Class 2B # Description Value (Inch) VValue (mm) D 1: Minor Diameter: 0.565 - 0.578: 14.351 - 14.681: D 2: Pitch Diameter: 0.5889 - 0.5944: 14 ThreadChart – UNEF, UNF, UN & UNC Thread Diameter Series Pitch Tap Drill Size Thread Diameter Series Pitch Tap Drill Size No 0 (0.060) UNF 80 TPI 1.20 mm 3/16 UNF 32 TPI 4.10 mm 1 3/16 UN 12 TPI 28.00 mm 3/16 UNC 24 TPI 3.90 mm 1 1/4 UNEF 18 TPI 30.50 mm 7/32 UNF 28 TPI 4.75 mm 1 1/4 UNF 12 TPI 29.50 mm
Measuredin Inches; Size Primary Inch Basic Major Diameter Inch Basic Pitch Diameter Inch Minor Diameter, inch Minor Dia. Area sq. inch Tensile Stress Area
UNEFThread Series / UNREF, is applicable where even finer pitches of threads are desirable, as for short lengths of engagement and for thin-walled tubes, nuts, ferrules, or couplings. It is also generally applicable under the conditions stated above for the fine threads. #12 - 3/4" 13/16" - 1 3/8" 1 7/16" - 1 11/16"
Class2BInternal ThreadsNuts. Min. Major Diameter Minor Diameter Pitch Line Axis of internal thread. INTERNALTHREADS-CLASS2BASME B1.1 Nominal Size & Threads per Inch Series Designation Allowance Minor Diameter Pitch Diameter Major Diameter Min Max Min Max Tolerance Min 0-80 UNF 0.0005 0.0465 0.0514 0.0519 0.0542 0.0023 0.0600 1
Machining Tools, Cutting & Probing. NF VS. UNF. I've stumbled upon an old thread gage, a 3/4-16 NF-2. NF was the precursor to UNF; unfortunately I cannot find anything that still lists the old threadforms (pitch dia, major/minor, etc) for the NF thread so I can compare it to the UNF standard. I want to see if this thread gage would still be us
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    • 3 4 16 unf 2b thread dimensions