What is a NEF thread?

NC, NF, NEF to one inch in diameter

7⁄16″	0.4375	24, 27
30	0.450	14, 16
½″	0.5000	12, 24, 27
9⁄16″	0.5625	27
5⁄8″	0.6250	12, 27

What is a unef thread?

UNEF threads are an ultra-fine thread classification available in sizes larger than a quarter-inch. The extra-fine threads lock a fastener into place, making these fasteners ideal for machinery that vibrates heavily.

What does UNS thread stand for?

UNC = Unified National Coarse thread. UNF = Unified National Fine thread. UNS = Unified National Superfine thread (I think, and which is comparatively rare.)

What is UNF thread size?

UNF Thread ANSI/ASME B1. 1

Nominal Diameter	Major Diameter Inch	Pitch mm
3/4″ – 16 UNF	0.750	1.587
7/8″ – 14 UNF	0.875	1.814
1″ – 12 UNF	1.000	2.117
1 1/8″ – 12 UNF	1.125	2.117

What are NF taps?

NF and UNF mean fine thread. NS means special thread. Pitch Diameter is the basic dimension of a screw, threaded hole, or a tap the diameter of an imaginary cylinder, the surface of which passes through the thread where width of thread and space between threads are identical.

What is a 10 32 thread?

10-32 Threads The number “10” is a size designator with no numerical meaning. The number “32” refers to 32 threads per inch. You can identify a 10-32 screw by measuring the diameter at exactly 3/16″ (4.76 mm).