Nuts about Threads

Metric	UNC	UNF	BSW	BSF	BA
Size/Pitch	Size/Pitch	Size/Pitch	Size/Pitch	Size/Pitch	Size/Pitch
M1 / 0.25mm					14 / 0.23mm
M1.1 / 0.25mm
M1.2 / 0.25mm
					12 / 0.28mm
M1.4 / 0.30mm
			1/16 / 60 tpi
M1.6 / 0.35mm
					10 / 0.35mm
M1.8 / 0.35mm
M2 / 0.40mm
	2 / 56 tpi	2 / 64 tpi
					8 / 0.43mm
			3/32 / 48 tpi
M2.5 / 0.45mm
					6 / 0.53mm
	4 / 40 tpi	4 / 48 tpi
M3 / 0.50mm
			1/8 / 40 tpi
					5 / 0.59mm
M3.5 / 0.60mm
Metric	UNC	UNF	BSW	BSF	BA
Size/Pitch	Size/Pitch	Size/Pitch	Size/Pitch	Size/Pitch	Size/Pitch
	6 / 32 tpi	6 / 40 tpi
					4 / 0.66mm
			5/32 / 32 tpi
M4 / 0.70mm
					3 / 0.73mm
	8 / 32 tpi	8 / 36 tpi
M4.5 / 0.75mm
					2 / 0.81mm
			3/16 / 24 tpi	3/16 / 32 tpi
	10 / 24 tpi	10 / 32 tpi
M5 / 0.80mm					1 / 0.90mm
	12 / 24 tpi	12 / 28 tpi
			7/32 / 24 tpi	7/32 / 28 tpi
M6 / 1.0mm					0 /1.0mm
	1/4 / 20 tpi	1/4 / 28 tpi	1/4 / 20 tpi	1/4 / 26 tpi
M7 / 1.00mm
	5/16 / 18 tpi	5/16 / 24 tpi	5/16 / 18 tpi	5/16 / 22 tpi
M8 / 1.25mm
Metric	UNC	UNF	BSW	BSF	BA
	3/8 / 16 tpi	3/8 / 24 tpi	3/8 / 16tpi	3/8 / 20tpi
M10 / 1.50mm
M11 / 1.50mm
	7/16 / 14 tpi	7/16 / 20 tpi	7/16 / 14 tpi	7/16 / 18 tpi
M12 / 1.75mm
	1/2 / 13 tpi	1/2 / 20 tpi	1/2 / 12 tpi	1/2 / 16 tpi
M14 / 2.00mm
	9/16 / 12 tpi	9/16 / 18 tpi	9/16 / 12 tpi	9/16 / 16 tpi
	5/8 / 11 tpi	5/8 / 18 tpi	5/8 / 11 tpi	5/8 / 14 tpi
M16 / 2.00mm
			11/16 / 11 tpi	11/16 / 14 tpi
M18 / 2.5mm
	3/4 / 10 tpi	3/4 / 16 tpi	3/4 / 10 tpi	3/4 / 12 tpi
M20 / 2.5mm
M22 / 2.5mm
	7/8 / 9 tpi	7/8 / 14 tpi	7/8 / 9 tpi	7/8 / 11 tpi
M24 / 3.00mm
	1 / 8 tpi	1 / 12 tpi	1 / 8 tpi	1 / 10 tpi
M27 / 3.00mm
Metric	UNC	UNF	BSW	BSF	BA
	1.1/8 / 7 tpi	1.1/8 / 12 tpi	1.1/8 / 7 tpi	1.1/8 / 9 tpi
M30 / 3.50mm
	1.1/4 / 7 tpi	1.1/4 / 12 tpi	1.1/4 / 7 tpi	1.1/4 / 9 tpi
M33 / 3.50mm
	1.3/8 / 6 tpi	1.3/8 / 12 tpi	1.3/8 / 6 tpi	1.3/8 / 8 tpi
M36 / 4.00mm
	1.1/2 / 6 tpi	1.1/2 / 12 tpi	1.1/2 / 6 tpi	1.1/2 / 8 tpi
M39 / 4.00mm
			1.5/8 / 5 tpi	1.5/8 / 8 tpi
M42 / 4.50mm
	1.3/4 / 5 tpi		1.3/4 / 5 tpi	1.3/4 / 7 tpi
M45 / 4.50mm
M48 / 5.00mm
	2 / 4.5 tpi		2 / 4.5 tpi	2 / 7 tpi