0.25-16 ACME × 16 TPI Internal (Nut) Thread Specifications

ASME B1.5 Standard Acme (h = 0.500P) per ASME B1.5 — nut/tapped hole dimensions

Technical Specifications

Parameter	Notation	Value
Major Diameter (Basic)	D	0.2500 in
Pitch Diameter (Basic)	D2	0.2188 in
Minor Diameter (Basic)	D1	0.1875 in
Pitch	P	0.0625 in
Basic Thread Height	h (0.5P)	0.0313 in
Crest Width	Fcn	0.0232 in
Root Width	Frn	0.0180 in

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