UNF – Unified National Fine 60°

Nominal Diameter	Major Diameter Inch	Major Diameter mm	Tapping Drill Size mm	TPI	Pitch mm
#0 - 80 UNF	0.060	1.524	1.25	80	0.317
#1 - 72 UNF	0.073	1.854	1.55	72	0.353
#2 - 64 UNF	0.086	2.184	1.90	64	0.397
#3 - 56 UNF	0.099	2.515	2.15	56	0.453
#4 - 48 UNF	0.112	2.845	2.40	48	0.529
#5 - 44 UNF	0.125	3.175	2.70	44	0.577
#6 - 40 UNF	0.138	3.505	2.95	40	0.635
#8 - 36 UNF	0.164	4.166	3.50	36	0.705
#10 - 32 UNF	0.190	4.826	4.10	32	0.794
#12 - 28 UNF	0.216	5.486	4.70	28	0.907
1/4" - 28 UNF	0.250	6.350	5.50	28	0.907
5/16" - 24 UNF	0.313	7.938	6.90	24	1.058
3/8" - 24 UNF	0.375	9.525	8.50	24	1.058
7/16" - 20 UNF	0.438	11.112	9.90	20	1.270
1/2" - 20 UNF	0.500	12.700	11.50	20	1.270
9/16" - 18 UNF	0.563	14.288	12.90	18	1.411
5/8" - 18 UNF	0.625	15.875	14.50	18	1.411
3/4" - 16 UNF	0.750	19.050	17.50	16	1.587
7/8" - 14 UNF	0.875	22.225	20.40	14	1.814
1" - 12 UNF	1.000	25.400	23.25	12	2.117
1 1/8" - 12 UNF	1.125	28.575	26.50	12	2.117
1 1/4" - 12 UNF	1.250	31.750	29.50	12	2.117
1 3/8" - 12 UNF	1.375	34.925	32.75	12	2.117
1 1/2" - 12 UNF	1.500	38.100	36.00	12	2.117

by PipeAdmin
Tags: 60 degree, inch, UNF, Unified National Fine Thread

Feb 9, 2018

UNS – Unified Special 60°

Nominal Dia.	Major Dia.	Major Dia.	Tapping Drill Size	TPI	Pitch
#0-80	0.060	3/64	.046875	80	0.317
#1-72	0.073	#53	.0595	72	0.353
#2-64	0.086	#50	.07	64	0.397
#3-56	0.099	#45	.082	56	0.453
#4-48	0.112	#42	.0935	48	0.529
#5-44	0.125	#37	.104	44	0.577
#6-40	0.138	#33	.113	40	0.635
#8-36	0.164	#29	.136	36	0.705
#10-32	0.190	#21	.159	32	0.794
#12-28	0.216	#15	.18	28	0.907
1/4”-28	0.250	#3	.213	28	0.907
5/16”-24	0.313	I	.272	24	1.058
3/8”-24	0.375	Q	.332	24	1.058
7/16”-20	0.438	25/64	.390625	20	1.270
1/2”-20	0.500	29/64	.453125	20	1.270
9/16”-18	0.563	33/64	.515625	18	1.411
5/8”-18	0.625	37/64	.5625	18	1.411
3/4”-16	0.750	11/16	.6875	16	1.587
7/8”-14	0.875	13/16	.8125	14	1.814
1”-12	1.000	15/16	.90625	12	2.117
1-1/8”-12	1.125	1-3/64	1.046875	12	2.117
1-1/4”-12	1.250	1-11/64	1.171875	12	2.117
1-3/8”-12	1.375	1-19/64	1.296875	12	2.117
1-1/2”-12	1.500	1-27/64	1.421875	12	2.117

by PipeAdmin
Tags: 60 degree, inch, Unified Special, UNS

Feb 9, 2018

UNR – Unified Thread Root 60°

Nominal Diameter	Major Diameter Inch	Major Diameter mm	Tapping Drill Size mm	TPI	Pitch mm
10 - 28 UNS	0.1900	4.826	3.95	28	0.907
10 - 36 UNS	0.1900	4.826	4.15	36	0.706
10 - 40 UNS	0.1900	4.826	4.20	40	0.635
10 - 48 UNS	0.1900	4.826	4.35	48	0.529
10 - 56 UNS	0.1900	4.826	4.39	56	0.454
12 - 36 UNS	0.2160	5.486	4.80	36	0.706
12 - 40 UNS	0.2160	5.486	4.90	40	0.635
12 - 48 UNS	0.2160	5.486	4.98	48	0.529
12 - 56 UNS	0.2160	5.486	5.05	56	0.454
1/4" - 24 UNS	0.2500	6.350	5.35	24	1.058
1/4" - 27 UNS	0.2500	6.350	5.45	27	0.941
1/4" - 36 UNS	0.2500	6.350	5.70	36	0.706
1/4" - 40 UNS	0.2500	6.350	5.75	40	0.635
1/4" - 48 UNS	0.2500	6.350	5.85	48	0.529
1/4" - 56 UNS	0.2500	6.350	5.95	56	0.454
5/16" - 27 UNS	0.3125	7.938	7.10	27	0.941
5/16" - 36 UNS	0.3125	7.938	7.25	36	0.706
5/16" - 40 UNS	0.3125	7.938	7.40	40	0.635
5/16" - 48 UNS	0.3125	7.938	7.50	48	0.529
3/8" - 18 UNS	0.3750	9.525	8.20	18	1.411
3/8" - 27 UNS	0.3750	9.525	8.70	27	0.941
3/8" - 36 UNS	0.3750	9.525	8.90	36	0.706
3/8" - 40 UNS	0.3750	9.525	9.00	40	0.635
0,390" - 27 UNS	0.3900	9.906	9.00	27	0.941
7/16" - 18 UNS	0.4375	11.112	9.75	18	1.411
7/16" - 24 UNS	0.4375	11.112	10.10	24	1.058
7/16" - 27 UNS	0.4375	11.112	10.20	27	0.941
1/2" - 12 UNS	0.5000	12.700	10.75	12	2.117
1/2" - 14 UNS	0.5000	12.700	11.00	14	1.814
1/2" - 18 UNS	0.5000	12.700	11.40	18	1.411
1/2" - 24 UNS	0.5000	12.700	11.70	24	1.058
1/2" - 27 UNS	0.5000	12.700	11.85	27	0.941
9/16" - 14 UNS	0.5625	14.288	12.60	14	1.814
9/16" - 27 UNS	0.5625	14.288	13.40	27	0.941
5/8" - 14 UNS	0.6250	15.875	14.20	14	1.814
5/8" - 27 UNS	0.6250	15.875	15.00	27	0.941
3/4" - 14 UNS	0.7500	19.050	17.40	14	1.814
3/4" - 18 UNS	0.7500	19.050	17.75	18	1.411
3/4" - 24 UNS	0.7500	19.050	18.10	24	1.058
3/4" - 27 UNS	0.7500	19.050	18.20	27	0.941
7/8" - 10 UNS	0.8750	22.225	19.75	10	2.540
7/8" - 18 UNS	0.8750	22.225	21.00	18	1.411
7/8" - 24 UNS	0.8750	22.225	21.20	24	1.058
7/8" - 27 UNS	0.8750	22.225	21.40	27	0.941
1" - 10 UNS	1.0000	25.400	23.00	10	2.540
1" - 14 UNS	1.0000	25.400	23.75	14	1.814
1" - 18 UNS	1.0000	25.400	24.25	18	1.411
1" - 24 UNS	1.0000	25.400	24.50	24	1.058
1" - 27 UNS	1.0000	25.400	24.50	27	0.941
1 1/8" - 10 UNS	1.1250	28.575	26.25	10	2.540
1 1/8" - 14 UNS	1.1250	28.575	27.00	14	1.814
1 1/8" - 24 UNS	1.1250	28.575	27.75	24	1.058
1 1/4" - 10 UNS	1.2500	31.750	29.50	10	2.540
1 1/4" - 14 UNS	1.2500	31.750	30.00	14	1.814
1 1/4" - 24 UNS	1.2500	31.750	30.75	24	1.058
1 3/8" - 10 UNS	1.3750	34.925	32.60	10	2.540
1 3/8" - 14 UNS	1.3750	34.925	33.30	14	1.814
1 1/2" - 10 UNS	1.5000	38.100	35.70	10	2.540
1 1/2" - 14 UNS	1.5000	38.100	36.50	14	1.814
1 1/2" - 24 UNS	1.5000	38.100	37.30	24	1.058
1 5/8" - 10 UNS	1.6250	41.275	39.00	10	2.540
1 5/8" - 14 UNS	1.6250	41.275	39.50	14	1.814
1 5/8" - 24 UNS	1.6250	41.275	40.35	24	1.058
1 3/4" - 10 UNS	1.7500	44.450	42.00	10	2.540
1 3/4" - 14 UNS	1.7500	44.450	42.85	14	1.814
1 3/4" - 18 UNS	1.7500	44.450	43.25	18	1.411
1 7/8" - 10 UNS	1.8750	47.625	45.30	10	2.540
1 7/8" - 14 UNS	1.8750	47.625	46.00	14	1.814
1 7/8" - 18 UNS	1.8750	47.625	46.35	18	1.411
2" - 10 UNS	2.0000	50.800	48.40	10	2.540
2" - 14 UNS	2.0000	50.800	49.25	14	1.814
2" - 18 UNS	2.0000	50.800	49.50	18	1.411
2 1/16" - 16 UNS	2.0625	52.387	51.00	16	1.587
2 3/16" - 16 UNS	2.1875	55.563	54.10	16	1.587
2 1/4" - 10 UNS	2.2500	57.150	54.75	10	2.540
2 1/4" - 14 UNS	2.2500	57.150	55.50	14	1.814
2 1/4" - 18 UNS	2.2500	57.150	55.75	18	1.411
2 5/16" - 16 UNS	2.3125	58.737	57.30	16	1.587
2 7/16" - 16 UNS	2.4375	61.912	60.50	16	1.587
2 1/2" - 10 UNS	2.5000	63.500	61.20	10	2.540
2 1/2" - 14 UNS	2.5000	63.500	61.75	14	1.814
2 1/2" - 18 UNS	2.5000	63.500	62.30	18	1.411
2 3/4" - 10 UNS	2.7500	69.850	67.50	10	2.540
2 3/4" - 14 UNS	2.7500	69.850	68.25	14	1.814
2 3/4" - 18 UNS	2.7500	69.850	68.50	18	1.411
3" - 10 UNS	3.0000	76.200	73.80	10	2.540
3" - 14 UNS	3.0000	76.200	74.50	14	1.814
3" - 18 UNS	3.0000	76.200	75.00	18	1.411
3 1/4" - 10 UNS	3.2500	82.550	80.25	10	2.540
3 1/4" - 14 UNS	3.2500	82.550	81.00	14	1.814
3 1/4" - 18 UNS	3.2500	82.550	81.25	18	1.411
3 1/2" - 10 UNS	3.5000	88.900	86.55	10	2.540
3 1/2" - 14 UNS	3.5000	88.900	87.25	14	1.814
3 1/2" - 18 UNS	3.5000	88.900	87.60	18	1.411
3 3/4" - 10 UNS	3.7500	95.250	93.00	10	2.540
3 3/4" - 14 UNS	3.7500	95.250	93.60	14	1.814
3 3/4" - 18 UNS	3.7500	95.250	94.00	18	1.411
4" - 10 UNS	4.0000	101.600	99.30	10	2.540
4" - 14 UNS	4.0000	101.600	100.00	14	1.814
4 1/4" - 10 UNS	3.2500	107.950	105.60	10	2.540
4 1/4" - 14 UNS	4.2500	107.950	106.30	14	1.814
4 1/2" - 10 UNS	4.5000	114.300	112.00	10	2.540
4 1/2" - 14 UNS	4.5000	114.300	112.65	14	1.814
4 3/4" - 10 UNS	4.7500	120.650	118.35	10	2.540
4 3/4" - 14 UNS	4.7500	120.650	119.00	14	1.814
5" - 10 UNS	5.0000	127.000	124.70	10	2.540
5" - 14 UNS	5.0000	127.000	125.35	14	1.814
5 1/4" - 10 UNS	5.2500	133.350	131.00	10	2.540
5 1/4" - 14 UNS	5.2500	133.350	131.70	14	1.814
5 1/2" - 10 UNS	5.5000	139.700	137.40	10	2.540
5 1/2" - 14 UNS	5.5000	139.700	138.00	14	1.814
5 3/4" - 10 UNS	5.7500	146.050	143.75	10	2.540
5 3/4" - 14 UNS	5.7500	146.050	144.40	14	1.814
6" - 10 UNS	6.0000	152.400	150.00	10	2.540
6" - 14 UNS	6.0000	152.400	150.75	14	1.814

by PipeAdmin
Tags: 60 degree, Metric, Unified Thread Root, UNR

Feb 9, 2018

UNEF – Unified Extra Fine 60° (mm)

British Standard Whitworth Coarse Thread Series (parallel, cylindrical) In GB most common Thread. Corresponds to the Metric Thread in its type of use.

UNEF – 8 Threads Per Inch
Nominal Dia.	TPI	Pitch	Tap Size
1-1/16”	8	3.175	24.00
1-1/8”	8	3.175	25.50
1-3/16”	8	3.175	27.20
1-1/4”	8	3.175	28.80
1-5/16”	8	3.175	30.30
1-3/8”	8	3.175	31.90
1-7/16”	8	3.175	33.50
1-1/2”	8	3.175	35.10
1-9/16”	8	3.175	36.70
1-5/8”	8	3.175	38.30
1-11/16”	8	3.175	39.90
1-3/4”	8	3.175	41.40
1-13/16”	8	3.175	43.00
1-7/8”	8	3.175	44.60
1-15/16”	8	3.175	46.20
2”	8	3.175	47.80
2-1/8”	8	3.175	51.00
2-1/4”	8	3.175	54.10
2-3/8”	8	3.175	57.30
2-1/2”	8	3.175	60.50
2-5/8”	8	3.175	64.70
2-3/4”	8	3.175	66.80
2-7/8”	8	3.175	70.00
3”	8	3.175	73.20
3-1/8”	8	3.175	76.40
3-1/4”	8	3.175	79.50
3-3/8”	8	3.175	82.70
3-1/2”	8	3.175	85.90
3-5/8”	8	3.175	89.00
3-3/4”	8	3.175	92.30
3-7/8”	8	3.175	95.40
4”	8	3.175	98.60
UNEF – 12 Threads Per Inch
Nominal Dia.	TPI	Pitch	Tap Size
5/8”	12	2.117	13.90
11/16”	12	2.117	15.50
3/4”	12	2.117	17.00
13/16”	12	2.117	18.60
7/8”	12	2.117	20.20
15/16”	12	2.117	21.80
1-1/16”	12	2.117	25.00
1-3/16”	12	2.117	28.20
1-5/16”	12	2.117	31.30
1-7/16”	12	2.117	34.50
1-9/16”	12	2.117	37.70
1-5/8”	12	2.117	39.30
1-11/16”	12	2.117	40.85
1-3/4”	12	2.117	42.40
1-13/16”	12	2.117	44.00
1-7/8”	12	2.117	45.60
1-15/16”	12	2.117	47.20
2”	12	2.117	48.80
2-1/8”	12	2.117	52.00
2-1/4”	12	2.117	55.10
2-3/8”	12	2.117	58.30
2-1/2”	12	2.117	61.50
2-5/8”	12	2.117	64.70
2-3/4”	12	2.117	67.80
2-7/8”	12	2.117	71.00
3”	12	2.117	74.20
3-1/8”	12	2.117	77.40
3-1/4”	12	2.117	80.50
3-3/8”	12	2.117	83.70
3-1/2”	12	2.117	86.90
3-5/8”	12	2.117	90.10
3-3/4”	12	2.117	93.25
3-7/8”	12	2.117	96.40
4”	12	2.117	99.60
4-1/8”	12	2.117	102.80
4-1/4”	12	2.117	105.90
4-3/8”	12	2.117	109.10
4-1/2”	12	2.117	112.30
4-5/8”	12	2.117	115.50
4-3/4”	12	2.117	118.70
4-7/8”	12	2.117	121.70
5”	12	2.117	125.00
5-1/8”	12	2.117	128.20
5-1/4”	12	2.117	131.40
5-3/8”	12	2.117	134.50
5-1/2”	12	2.117	137.70
5-5/8”	12	2.117	140.90
5-3/4”	12	2.117	144.00
6”	12	2.117	150.40
UNEF – 16 Threads Per Inch
Nominal Dia.	TPI	Pitch	Tap Size
7/16”	16	1.587	9.58
1/2”	16	1.587	11.20
9/16”	16	1.587	12.80
5/8”	16	1.587	14.40
11/16”	16	1.587	16.00
13/16”	16	1.587	19.10
7/8”	16	1.587	20.70
15/16”	16	1.587	22.30
1”	16	1.587	23.90
1-1/16”	16	1.587	25.50
1-1/8”	16	1.587	27.10
1-3/16”	16	1.587	28.70
1-1/4”	16	1.587	30.30
1-5/16”	16	1.587	31.75
1-3/8”	16	1.587	33.40
1-7/16”	16	1.587	35.00
1-1/2”	16	1.587	36.60
1-9/16”	16	1.587	38.20
1-5/8”	16	1.587	39.80
1-11/16”	16	1.587	41.35
1-3/4”	16	1.587	43.00
1-13/16”	16	1.587	44.50
1-7/8”	16	1.587	46.10
1-15/16”	16	1.587	47.70
2”	16	1.587	49.30
2-1/8”	16	1.587	52.60
2-1/4”	16	1.587	55.65
2-3/8”	16	1.587	58.85
2-1/2”	16	1.587	62.00
2-5/8”	16	1.587	65.15
2-3/4”	16	1.587	68.35
2-7/8”	16	1.587	71.50
3”	16	1.587	74.70
3-1/8”	16	1.587	77.85
3-1/4”	16	1.587	81.00
3-3/8”	16	1.587	84.20
3-1/2”	16	1.587	87.40
3-5/8”	16	1.587	90.55
3-3/4”	16	1.587	93.75
3-7/8”	16	1.587	96.90
4”	16	1.587	100.10
4-1/8”	16	1.587	103.30
4-1/4”	16	1.587	106.45
4-3/8”	16	1.587	109.60
4-1/2”	16	1.587	112.80
4-5/8”	16	1.587	116.00
4-3/4”	16	1.587	119.15
4-7/8”	16	1.587	122.30
5”	16	1.587	125.50
5-1/4”	16	1.587	131.85
5-1/2”	16	1.587	138.20
5-5/8”	16	1.587	141.35
5-7/8”	16	1.587	147.75
6”	16	1.587	150.90
UNEF – 18 Threads Per Inch
Nominal Dia.	TPI	Pitch	Tap Size
1-1/16”	18	1.411	25.80
1-1/8”	18	1.411	27.35
1-1/4”	18	1.411	30.55
1-5/16”	18	1.411	32.10
1-3/8”	18	1.411	33.70
1-7/16”	18	1.411	35.30
1-1/2”	18	1.411	36.90
1-9/16”	18	1.411	38.55
1-5/8”	18	1.411	40.10
1-11/16”	18	1.411	41.60
UNEF – 20 Threads Per Inch
Nominal Dia.	TPI	Pitch	Tap Size
5/16”	20	1.27	6.70
3/8”	20	1.27	8.30
9/16”	20	1.27	13.10
5/8”	20	1.27	14.67
11/16”	20	1.27	16.25
1-1/16”	20	1.27	25.80
1-1/8”	20	1.27	27.37
1-3/16”	20	1.27	28.97
1-1/4”	20	1.27	30.55
1-5/16”	20	1.27	32.15
1-3/8”	20	1.27	33.70
1-7/16”	20	1.27	35.32
1-1/2”	20	1.27	36.89
1-9/16”	20	1.27	38.49
1-5/8”	20	1.27	40.08
1-11/16”	20	1.27	41.68
1-3/4”	20	1.27	43.25
1-13/16”	20	1.27	44.84
1-7/8”	20	1.27	46.42
1-15/16”	20	1.27	48.00
2”	20	1.27	49.58
2-1/8”	20	1.27	52.78
2-1/4”	20	1.27	56.03
2-3/8”	20	1.27	59.12
2-1/2”	20	1.27	62.30
2-5/8”	20	1.27	65.47
2-3/4”	20	1.27	68.67
2-7/8”	20	1.27	71.82
3”	20	1.27	75.00
3/4”	20	1.27	18.00
13/16”	20	1.27	19.60
7/8”	20	1.27	21.15
15/16”	20	1.27	22.70
1”	20	1.27	24.30
UNEF – 24 Threads Per Inch
Nominal Dia.	TPI	Pitch	Tap Size
9/16”	24	1.058	13.40
5/8”	24	1.058	15.00
11/16”	24	1.058	16.60
UNEF – 28Threads Per Inch
Nominal Dia.	TPI	Pitch	Tap Size
7/16”	28	0.907	10.35
1/2”	28	0.907	11.80
UNEF – 32 Threads Per Inch
Nominal Dia.	TPI	Pitch	Tap Size
N 12	32	0.794	4.80
1/4”	32	0.794	5.70
5/16”	32	0.794	7.25
3/8”	32	0.794	8.85

by PipeAdmin
Tags: 60 degree, Metric, UNEF, Unified Extra Fine thread

Feb 9, 2018

UNC – Unified Coarse 60° (mm)

Nominal Dia.	Major Dia.	Major Dia.	Tapping Drill Size	TPI	Pitch
#1-64	1.854	#53	1.5	64	0.397
#2-56	2.184	#50	1.78	56	0.453
#3-48	2.515	#47	2.05	48	0.529
#4-40	2.845	#43	2.27	40	0.635
#5-40	3.175	#38	2.59	40	0.635
#6-32	3.505	#36	2.77	32	0.794
#8-32	4.166	#29	3.42	32	0.794
#10-24	4.826	#25	3.82	24	1.058
#12-24	5.486	#17	4.47	24	1.058
1/4”-20	6.35	#7	5.11	20	1.27
5/16”-18	7.938	F	6.55	18	1.411
3/8”-16	9.525	5/16	7.95	16	1.587
1/2”-13	12.7	27/64	10.73	13	1.954
9/16”-12	14.288	31/64	12.15	12	2.117
5/8”-11	15.875	17/32	13.53	11	2.309
3/4”-10	19.05	41/64	16.46	10	2.54
7/8”-9	22.225	49/64	19.34	9	2.822
1”-8	25.4	7/8	22.15	8	3.175
1-1/8”-7	28.575	63/64	24.87	7	3.628
1-1/4”-7	31.75	1-7/64	28.05	7	3.628
1-1/2”-6	38.1	1-11/32	33.7	6	4.233
1-3/4”-5	44.45	1-35/64	39.26	5	5.08
2”-4.5	50.8	1-25/32	45.03	4.5	5.644
2-1/4”-4.5	57.15	2-1/32	51.38	4.5	5.644
2-1/2”-4	63.5	2-1/4	57	4	6.35
2-3/4”-4	69.85	2-1/2	63.36	4	6.35
3”-4	76.2	2-3/4	69.71	4	6.35
3-1/4”-4	82.55	3	76.06	4	6.35
3-1/2”-4	88.9	3-1/4	82.41	4	6.35
3-3/4”-4	95.25	3-1/2	88.76	4	6.35
4”-4	101.6	3-3/4	95.11	4	6.35

by PipeAdmin
Tags: 60 degree, Metric, UNC, Unified Coarse thread

Feb 9, 2018

UNC – Unified Coarse 60° (inch)

Nominal Dia.	Major Dia.	Major Dia.	Tapping Drill Size	TPI	Pitch
#1-64	0.073	#53	0.0595	64	0.397
#2-56	0.086	#50	0.07	56	0.453
#3-48	0.099	#47	0.0785	48	0.529
#4-40	0.112	#43	0.089	40	0.635
#5-40	0.125	#38	0.1015	40	0.635
#6-32	0.138	#36	0.1065	32	0.794
#8-32	0.164	#29	0.136	32	0.794
#10-24	0.19	#25	0.1495	24	1.058
#12-24	0.216	#17	0.173	24	1.058
1/4”-20	0.25	#7	0.201	20	1.27
5/16”-18	0.313	F	0.257	18	1.411
3/8”-16	0.375	5/16	0.3125	16	1.587
1/2”-13	0.5	27/64	0.421875	13	1.954
9/16”-12	0.563	31/64	0.484375	12	2.117
5/8”-11	0.625	17/32	0.53125	11	2.309
3/4”-10	0.75	41/64	0.640625	10	2.54
7/8”-9	0.875	49/64	0.765625	9	2.822
1”-8	1	7/8	0.875	8	3.175
1-1/8”-7	1.125	63/64	0.984375	7	3.628
1-1/4”-7	1.25	1-7/64	1.109375	7	3.628
1-1/2”-6	1.5	1-11/32	1.34375	6	4.233
1-3/4”-5	1.75	1-35/64	1.546875	5	5.08
2”-4.5	2	1-25/32	1.78125	4.5	5.644
2-1/4”-4.5	2.25	2-1/32	2.03125	4.5	5.644
2-1/2”-4	2.5	2-1/4	2.25	4	6.35
2-3/4”-4	2.75	2-1/2	2.5	4	6.35
3”-4	3	2-3/4	2.75	4	6.35
3-1/4”-4	3.25	3	3	4	6.35
3-1/2”-4	3.5	3-1/4	3.25	4	6.35
3-3/4”-4	3.75	3-1/2	3.5	4	6.35
4”-4	4	3-3/4	3.75	4	6.35

by PipeAdmin
Tags: 60 degree, inch, UNC, Unified Coarse thread