2 1/2" × 32 TPI Internal (Nut) Thread Specifications

ASME Unified National Constant Pitch (UN) per ASME B1.1 — nut/tapped hole dimensions

Applications

General purpose
Industrial (US)

Technical Specifications

Parameter	Notation	Value
Minor Diameter	D (D1)	2.4662 in
Threads Per Inch	n	32.0 TPI
Pitch Diameter	D2	2.4797 in
Major Diameter	D1 (D)	2.5000 in
Pitch	P	0.0313 in
Thread Height	H	0.0271 in
Thread Depth	h3	0.0192 in
Crest Width	f	0.0078 in
Root Width	r	0.0039 in
Tap Drill	Drill	2.4688 in

Related Thread Sizes

2 1/2" × 4 TPI (UNC)

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