This product is regulated by the following standards:

ASME B18.2.2 TABLE 4 ASME B18.2.2 TABLE 1-2 ASME B18.2.2 TABLE 1-1 ASME B18.2.2 TABLE 10 ASME B18.2.2 TABLE 3 ASME B18.2.2 TABLE 6 ASME B18.2.2 TABLE 9

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Hexagon nuts, inch series

This product is regulated by the following standards:

Standard ASME B18.2.2 TABLE 4

Hexagon nuts and Hexagon Jam nutsInformation restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 TABLE 4 Publication date : 2010
Nominal size or Bsic major dia. of the Thread	Nr. of threads x inch		G min	G max	F min	F max	H min	H max	H1 min	H1 max
Nominal size or Bsic major dia. of the Thread	UNC	UNF	G min	G max	F min	F max	H min	H max	H1 min	H1 max
1/4	20	28	0.488	0.505	0.428	0.438	0.212	0.226	0.150	0.163
5/16	18	24	0.557	0.577	0.489	0.5	0.258	0.273	0.180	0.195
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
1-1/8
1-1/4
1-3/8
1-1/2
1-5/8
1-3/4
1-7/8
2
2-1/4
2-1/2
2-3/4
3
3-1/4
3-1/2
3-374
4

Standard ASME B18.2.2 TABLE 1-2

Small pattern hex machine screw nutsInformation restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 Table 1-2 Publication date: 2010
d Thread size	G1 min	G1 max	F basic	H min	H max
0 (0.060)	0.134	0.140	0.125	0.043	0.050
1 (0.073)	0.134	0.140	0.125	0.043	0.050
2 (0.086)
3 (0.099)
4 (0.112)
5 (0.125)
6 (0.138)
8 (0.164)
10 (0.190)

Standard ASME B18.2.2 TABLE 1-1

Square and hex machine screw nutsInformation restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 table 1-1 Publication date: 2010
Nominal size or basic thread diameter		UNC (nr of threads x inch)	UNF (nr of threads x inch)	F basic	G min	G max	H min	H max	G1 min	G1 max
inch	mm	UNC (nr of threads x inch)	UNF (nr of threads x inch)	F basic	G min	G max	H min	H max	G1 min	G1 max
0 (0.060)	1.52	-	80	0.156	0.206	0.221	0.043	0.050	0.171	0.180
1 (0.073)
2 (0.086)
3 (0.099)
4 (0.112)
5 (0.125)
6 (0.138)
8 (0.164)
10 (0.190)
12 (0.216)
1/4 (0.250)
5/16 (0.312)
3/8 (0.375)

Standard ASME B18.2.2 TABLE 10

Heavy Hex Nuts and heavy Hex Jam nutsInformation restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 - Table 10 Publication date: 2010
d Thread size	Nr. of threads x inch		G min	G max	F basic max	F min	H min	H max	H1 min	H1 max
d Thread size	UNC	UNF	G min	G max	F basic max	F min	H min	H max	H1 min	H1 max
1/4	20	28	0.556	0.577	0.500	0.488	0.218	0.250	0.156	0.188
5/16	18	24	0.622	0.650	0.562	0.546	0.280	0.314	0.186	0.220
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
1-1/8
1-1/4
1-3/8
1-1/2
1-5/8
1-3/4
1-7/8
2
2-1/4
2-1/2
2-3/4
3
3-1/4
3-1/2
3-3/4
4

Standard ASME B18.2.2 TABLE 3

Hex Flat Nuts and Hex Flat Jam NutsInformation restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 Table 3 Publication date: 2010
Nominal size or basic major thread diameter	G min	G max	F basic	H min	H max	H1 min	H1 max
1-1/8 (1.1250)	1.859	1.949	1.688	0.970	1.030	0.595	0.655
1-1/4 (1.2500)	2.066	2.165	1.875	1.062	1.126	0.718	0.782
1-3/8 (1.3750)
1-1/2 (1.5000)

Standard ASME B18.2.2 TABLE 6

Hex thick nutsInformation restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 TABLE 6 Publication date : 2010
Nominal size or Bsic major dia. of the Thread	G min	G max	F min	F max	H min	H max
1/4	0.488	0.505	0.428	0.438	0.274	0.288
5/16	0.557	0.577	0.489	0.500	0.320	0.336
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
1-1/8
1-1/4
1-3/8
1-1/2

Standard ASME B18.2.2 TABLE 9

Heavy hex flat nuts and heavy hex flat jam nuts.Information restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 Table 9 Publication date : 2010
Nominal size or Bsic major dia. of the Thread	G min	G max	F min	F max	H min	H max	H1 min	H1 max
1-1/8	2.002	2.093	1.756	1.812	1.079	1.155	0.579	0.655
1-1/4	2.209	2.309	1.938	2.000	1.187	1.282	0.687	0.782
1-3/8
1-1/2
1-3/4
2
2-1/4
2-1/2
2-3/4
3
3-1/4
3-1/2
3-3/4
4

Hexagon nuts, inch series

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 2010 table 4 - Hex Nuts, Hex jam nuts
d Thread size	Nr. of threads x inch		G min	F basic	H basic	H1 basic
d Thread size	UNC	UNF	G min	F basic	H basic	H1 basic
1/4	20	28	0.488	0.438	0.219	0.1565
5/16	18	24	0.557	0.5	0.266	0.1875
3/8	16	24	0.628	0.562	0.328	0.219
7/16	14	20	0.698	0.625	0.375	0.25
1/2	13	20	0.840	0.75	0.4375	0.3125
9/16	12	18	0.910	0.812	0.484	0.3125
5/8	11	18	1.051	0.937	0.547	0.375
3/4	10	16	1.254	1.125	0.641	0.422
7/8	9	14	1.465	1.313	0.75	0.484
1	8	12	1.675	1.50	0.859	0.547
1-1/8	7	12	1.859	1.625	0.969	0.609
1-1/4	7	12	2.066	1.875	1.062	0.719
1-3/8	6	12	2.273	2	1.172	0.781
1-1/2	6	12	2.480	2.25	1.281	0.844
1-5/8	-	-	2.686	2.438	1.39	0.906
1-3/4	5	-	2.893	2.625	1.5	0.969
1-7/8	-	-	3.099	2.813	1.609	1.031
2	4.5	-	3.306	3	1.719	1.094
2-1/4	4.5	-	3.719	3.375	1.938	1.211
2-1/2	4	-	4.133	3.75	2.157	1.414
2-3/4	4	-	4.546	4.125	2.375	1.539
3	4	-	4.959	4.5	2.594	1.664
3-1/4	4	-	5.373	4.875	2.813	1.781
3-1/2	4	-	5.786	5.25	3.032	1.9065
3-374	4	-	6.199	5.625	3.250	2.031
4	4	-	6.612	6	3.469	2.1565


Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 -2010- table 10 Heavy Hex Nuts. Heavy Hex Jam Nuts
d Thread size	Nr. of threads x inch		G min	F basic	H basic	H1 basic
d Thread size	UNC	UNF	G min	F basic	H basic	H1 basic
1/4	20	28	0.556	0.5	0.234	0.172
5/16	18	24	0.622	0.562	0.297	0.203
3/8	16	24	0.763	0.688	0.359	0.234
7/16	14	20	0.83	0.75	0.422	0.266
1/2	13	20	0.969	0.875	0.484	0.297
9/16	12	18	1.037	0.938	0.547	0.328
5/8	11	18	1.175	1.063	0.609	0.359
3/4	10	16	1.383	1.25	0.734	0.422
7/8	9	14	1.589	1.438	0.859	0.484
1	8	12	1.769	1.625	0.984	0.547
1-1/8	7	12	2.002	1.813	1.109	0.609
1-1/4	7	12	2.209	2	1.219	0.719
1-3/8	6	12	2.416	2.188	1.342	0.781
1-1/2	6	12	2.622	2.375	1.469	0.844
1-5/8	-	-	2.829	2.563	1.594	0.906
1-3/4	5	-	3.035	2.75	1.719	0.969
1-7/8	-	-	3.242	2.938	1.844	1.031
2	4.5	-	3.449	3.125	1.969	1.09
2-1/4	4.5	-	3.862	3.5	2.203	1.203
2-1/2	4	-	4.275	3.875	2.453	1.453
2-3/4	4	-	4.688	4.25	2.703	1.578
3	4	-	5.102	4.625	2.953	1.703
3-1/4	4	-	5.515	5	3.188	1.813
3-1/2	4	-	5.928	5.375	3.438	1.938
3-3/4	4	-	6.341	5.75	3.688	1.063
4	4	-	6.755	6.125	3.938	1.188

Full list of Suppliers of Hexagon nuts, inch series

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.

China

JIANGSU JINSHA FASTENERS CO. LTD

Manufacturer of hex nuts and heavy hex nuts, both in metric and inch sizes

C. Adams & Sons Limited

Manufacturer and distributor of standard and special nuts, both in metric and imperial sizes

Taiwan

CLC INDUSTRIAL CO. LTD.

Manufacturer of hexagon nuts, weld nuts, square nuts and wing nuts.

Material: Stainless Steel, Carbon Steel, Brass C2700/C2600 Silicon Bronze 651

Size: M1.6-M24, #0-1"

USA

Cleveland City Forge

Leader in the forged steel structural hardware industry: stud bolts, nuts, eye bolts, turnbuckles

USA

CONTINENTAL-AERO

Distributor and importer of nylon insert and all metal locknuts

India

Crown Fasteners

Manufacturer of all kinds of nuts, both metric and inch sizes

D.S. Fasteners

Distributor of nuts: hexagonal, self-locking, dome, welding and with flange

Italy

DATOR SPA

Manufacturer of nuts: flanges, lock, welding, with washer

USA

DECKER

Manufacturer and importer specialized in special, structural and automotive nuts

Earnest Machine

Distributor of fasteners

Italy

FASTENAL EUROPE SRL

We offer logistics and inventory management and integrated supply chain management services covering a wide market of OEM fasteners (KanBan), MRO and Personal Protective Equipment (Vending Machine).

Germany

Fürniss GmbH

Distributor of aerospace fasteners

China

HAIYAN FUJIAN FASTENER CO.LTD

Manufacturer specialized in hexagon nuts. Size from M4 to M30

China

Haiyan Yuxing nuts Co. Ltd

Manufacturer specialized both in standard and special nuts

Hydrobolt Group Holdings Ltd

Manufacturing of special fasteners and machined (inconel, monel, super duplex, hastelloy, titanium, nimonic, B16 and Durehete)

Manufacturing, stocking and distributing petro-chemical grade studbolt assemblies and fasteners.

J. Cooke Engineering Ltd

Manufacturer of nuts from 2mm to 90mm, with metric and inch thread in different materials such as brass, steel, stainless steel, aluminium.

Netherlands

Johan Smit Fasteners Holland

Distributor of nuts for the Oil & Gas field, metric and inch sizes according to ASTM A194, ASME B18.2.2, DIN 934 H=D, EN 14399 Class 10 specifications.

K-Engineering Co Ltd

Manufacturer of threaded items, mainly screwed rods, engineering studs, bright bolts and sets and special items according to customer specifications

USA

Lamons Corporate Headquarters

Manufacturer of gaskets and inch fasteners

USA

Locknut Technology

Manufacturer of inch nuts: hexagonal, self locking, welding, with flange.. etc..

Taiwan

Lu Chu Shin Yee Works CO. LTD.

Leader manufacturer of hex nuts, cap nuts, wing nuts, flange nuts, nylon insert nuts, weld nuts, square nuts, wheel nuts, etc...

India

MARUTI INTERNATIONAL

Manufacturer of screws, nuts, washers and threaded rods

China

NINGBO HAIYUN METAL PRODUCTS CO.LTD

Manufacturer and distributor of standard and special fasteners, specialized in nuts

Germany

Peter Schröder GmbH

Distributor specialized in inch thread fasteners

Germany

Pfitzer Verbindungstechnik Gmbh

Distributor of inch sized fasteners, oil and gas fasteners and turned special screws

South Korea

Pungkang Fasteners

Manufacturer of nuts for automotive: hexagon nuts, flange nuts, wheel nuts, castel nuts, lock nuts, weld nuts

India

Right Tight Fasteners Pvt. Ltd.

Manufacturer of hex nuts, welding nuts, castel nuts and special nuts

Germany

ScrewCorner Fastener - Superstore

Distributor of inch fasteners as per British and American standards

Smith Bullough

Manufacturer of special cold and hot forged nuts and bolts: Metric, UNF, UNC, BSF & BSW (Whitworth) threadforms

Chile

SODIPER LTDA.

Manufacturer of structural boltings, inch sizes

Taiwan

Szu i industries co ltd

Manufacturer of stainless steel nuts

USA

The Dyson Corporation

Manufacturer of inch bolts, nuts and stud bolts. Diameter from 3/4″ up to 26″ and lenghts from 1″ up to 36″

Taiwan

THREAD INDUSTRIAL CO. LTD

Manufacturer of specialized in standard and special nuts for automotive

USA

United Steel and Fasteners

Manufacturer of all types of fasteners ranging in size from 3/8” to 4-1/4” for railroad, waterworks and industrial sector

China

ZHEJIANG BULLET HARDWARE CO. LTD

Manufacturer of nuts: self locking nuts, nylon lock nuts, metal lock nuts flange lock nuts, dome cap nuts, weld nuts DIN 1624 Tee nuts, wing nuts, cage nuts and all kind of special nuts.

China

Zhejiang Fangquan Automotive Fastener Co

Manufacurer specialized in threaded inserts and nuts

China

Zhejiang Zhapu industrial Co.Ltd. WASHAN FASTENERS

Specialized manufacturer of steel hex nuts and bolts, HDG fasteners and for steel construction with an yearly production capacity of 110,000 M/T

Suppliers of Hexagon nuts, inch series

Technical data

Standard ASME B18.2.2 TABLE 4

Standard ASME B18.2.2 TABLE 1-2

Standard ASME B18.2.2 TABLE 1-1

Standard ASME B18.2.2 TABLE 10

Standard ASME B18.2.2 TABLE 3

Standard ASME B18.2.2 TABLE 6

Standard ASME B18.2.2 TABLE 9

Details