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Continuos and double-end studs, inch series

Dimensions in inches (1 inch=25.4 mm) source ASME B18.31.2 2008 table 2 Clamping type studs
d Thread size		Nr. of threads x inch		B Nut end full thread length. min
inch	mm	UNC	UNF	L≤ 10	10< L≤ 16	L> 16
1/4	6.35	20	28	0.75	1	1.5
5/16	7.94	18	24	0.875	1.125	1.625
3/8	9.53	16	24	1	1.25	1.75
7/16	11.11	14	20	1.125	1.375	1.875
1/2	12.70	13	20	1.25	1.5	2
9/16	14.29	12	18	1.375	1.625	2.125
5/8	15.88	11	18	1.5	1.75	2.25
3/4	19.05	10	16	1.75	2	2.5
7/8	22.23	9	14	2	2.25	2.75
1	25.40	8	12	2.25	2.5	3
1-1/8	28.58	7	12	2.5	2.75	3.25
1-1/4	31.75	7	12	2.75	3	3.5
1-3/8	34.93	6	12	3	3.25	3.75
1-1/2	38.10	6	12	3.25	3.5	4
1-5/8	41.28	-	-	3.5	3.75	4.25
1-3/4	44.45	5	-	3.75	4	4.5
1-7/8	47.63	-	-	4	4.25	4.75
2	50.80	4.5	-	4.25	4.5	5
2-1/4	57.15	4.5	-	4.75	5	5.5
2-1/2	63.50	4	-	5.25	5.5	6
2-3/4	69.85	4	-	5.75	6	6.5
3	76.20	4	-	-	6.5	7
3-1/4	82.55	4	-	-	7	7.5
3-1/2	88.90	4	-	-	7.5	8
3-3/4	95.25	4	-	-	8	8.5
4	101.6	4	-	-	8.5	9

Dimensions in inches (1 inch=25.4 mm) source ASME B18.31.2 2008 table 3 Tap end studs (1.5D engagement)
d Thread size		Nr. of threads x inch		Bm Tap end full thread length. nominal	B Nut end full thread length. min
inch	mm	UNC	UNF	Bm Tap end full thread length. nominal	L≤ 10	10< L≤ 16	L> 16
1/4	6.35	20	28	0.375	0.75	1	1.5
5/16	7.94	18	24	0.469	0.875	1.125	1.625
3/8	9.53	16	24	0.563	1	1.25	1.75
7/16	11.11	14	20	0.656	1.125	1.375	1.875
1/2	12.70	13	20	0.75	1.25	1.5	2
9/16	14.29	12	18	0.844	1.375	1.625	2.125
5/8	15.88	11	18	0.938	1.5	1.75	2.25
3/4	19.05	10	16	1.125	1.75	2	2.5
7/8	22.23	9	14	1.313	2	2.25	2.75
1	25.40	8	12	1.5	2.25	2.5	3
1-1/8	28.58	7	12	1.688	2.5	2.75	3.25
1-1/4	31.75	7	12	1.875	2.75	3	3.5
1-3/8	34.93	6	12	2.063	3	3.25	3.75
1-1/2	38.10	6	12	2.25	3.25	3.5	4
1-5/8	41.28	-	-	2.438	3.5	3.75	4.25
1-3/4	44.45	5	-	2.625	3.75	4	4.5
1-7/8	47.63	-	-	2.813	4	4.25	4.75
2	50.80	4.5	-	3	4.25	4.5	5
2-1/4	57.15	4.5	-	3.375	4.75	5	5.5
2-1/2	63.50	4	-	3.75	5.25	5.5	6
2-3/4	69.85	4	-	4.125	5.75	6	6.5
3	76.20	4	-	4.5	-	6.5	7
3-1/4	82.55	4	-	4.875	-	7	7.5
3-1/2	88.90	4	-	5.25	-	7.5	8
3-3/4	95.25	4	-	5.625	-	8	8.5
4	101.6	4	-	6	-	8.5	9

Full list of Suppliers of Continuos and double-end studs, inch series

The ASME B18.31.2 covers three type of inch-dimensioned studs recognized as American National Standard.\nCONTINUOS THREAD STUDS: studs threaded all over their length; DOUBLE-END STUDS: (clampyng type-equal ends): studs with the same thread length on both the ends; DOUBLE-END STUDS: (tap end type): studs with different threaded lengths on each end.

Italy

Buora d.p.u. S.r.l.

Founded in 1969, Buora D.P.U. is a distributor certified following ISO 9001.

The company offers the complete range of high strength fasteners, ready on stock, both coarse and fine pitches with metric and inch threads.

Distributor of prestigious brands such as UNBRAKO and NORD-LOCK, for Buora D.P.U. the service always comes first, therefore there is not minimum quantity required.

USA