Free Sample with best price in asia of Stainless Steel Coupling Nut. / Stainless Steel Coupling Nut Best Price Guarantee.

Check Our Price Before you buy Stainless Steel Coupling Nut / Sunflex Metal Industries manufacturer and Supplier working since 1982 and applying for a fast growing company of fasteners, Stainless Steel Coupling Nut.

 

You are here : Home » Products » Fasteners Types » Stainless Steel Coupling Nut


Fasteners Specification / BS Fasteners / ISO Fasteners / DIN Specification / Flat Washer Standards | Check Price


Stainless Steel Coupling Nut | Alloy Steel Coupling Nut | Duplex Steel Coupling Nut | Carbon Steel Coupling Nut

Stainless Steel Coupling Nut

We manufacturer fasteners with size range from M10 to M100  Hex Nuts, Heavy Hex Nut, Cap Nut, Acorn Nut, Serrated Flange Nut, Coupling Nut, Square Nut, Castle Nut, Wing Nut, Flange Lock Nut, Flex Lock Nut, High Nut, Kep Nut, Jam Nut, Nylon Lock Nut, Slotted Nut, Reversible Lock Nut, Custom Nut, T Nuts & other customized Nuts as per Client's requirement.We produce Hot Forged and Coled Formed Nuts Fasteners.

Coupling Nuts

Coupling Nut Applications

Coupling nuts are used to make up long tie rod assemblies from shorter lengths of rod and to facilitate assembly of two fasteners or fittings which each have external threads.

Relevant Standards

Coupling nut dimensions are described by the Industrial Fasteners Institute in standard IFI-128. Chemical and mechanical properties are controlled in conformance with ASTM and SAE nut specifications (ASTM A563, ASTM A194 and SAE J995).

Materials

Standard coupling nuts are produced from ASTM A108 grade 12L14 hexagon or round bars with 50 Ksi minimum yield strength. Other available materials include 1045, 4140, structural grades and stainless steels.

Finishes

Standard finish is plain with either a cold drawn or hot rolled mill finish, depending on the type of bar stock used. Hot dip galvanizing is available as well as zinc electroplating.

Threads

Standard threads are UNC 2B, RH, with other thread series and profiles available by special order. Hot dip galvanized coupling nuts are normally tapped oversize after galvanizing to accommodate the zinc coating on the rod threads. Coupling nuts up to 1-1/2" thread size are tapped all the way through from one end, allowing them to be completely threaded on to one of the members which are to be coupled, a feature that is required for certain assembly situations. Coupling nuts larger than 1-1/2" thread size cannot be tapped all the way through without special extended length taps and are therefore furnished with RH/RH threads (tapped to a depth of L/2 from each end) unless specifically ordered as 'threaded all the way through'.

Coupling nuts can also be threaded with two different thread sizes or profiles. These parts are normally identified as 'reducing coupling nuts'.

Dimensions

Refer to the coupling nut table for dimensions. Some of the sizes listed in this table have an 'Across Flats Size' slightly larger than that called for by IF-128 due to commercial availability of hexagon bar stock. Because of limited availability of hex stock larger than 3-1/2", coupling nuts with thread sizes 2-1/2" and larger are usually made from round bar.

COUPLING NUT DIMENSIONS
(dimensions in inches)
Thread
Diameter
‘D’
Width
Across Flats
‘F’
Width
Across Points
‘G’
Overall
Length
‘L’
Weight
Each
(lbs)
1/23/47/81-1/20.12
5/811-1/81-7/80.30
3/41-1/81-5/162-1/40.42
7/81-5/161-7/162-5/80.56
11-1/21-3/430.99
1-1/81-5/81-7/83-3/81.23
1-1/41-7/82-3/163-3/41.93
1-3/822-5/164-1/82.31
1-1/22-1/42-5/84-1/23.33
1-5/82-3/43-3/164-7/86.17
1-3/42-3/43-3/165-1/46.16
1-7/833-7/165-5/87.61
23-1/43-7/1669.69
2-1/43-1/24-1/166-3/412.7
2-1/23-7/84-1/27-1/217.2
2-3/44-1/44-15/168-1/422.7
34-5/85-5/16929.2
3-1/455-3/49-3/436.8
3-1/25-3/86-3/1610-1/245.8
3-3/45-3/46-5/811-1/456.0
46-1/87-1/161268.0
4-1/26-7/87-15/1613-1/296.0
57-5/88-13/1615130.0
Stainless Steel Grades & Designation ( Austhentic Stainless Steel )
AISI Grade EquivalentJIS EquivalentStainless Steel NotationEN/DIN Numerical EquivalentUNS
designation
EN/DIN Symbolical Equivalent
AISI 303SUS303SS 303EN 1.4305UNS S30300X8CrNiS18-9
AISI 304SUS304SS 304EN 1.4301UNS S30400X4CrNi18-10
AISI 304LSUS304LSS 304LEN 1..4307UNS S30403X2CrNi18-9
AISI 304LNSUS304 LNSS 304 LNEN 1.4311UNS S30453X2CrNiN18-10
AISI 309SUS309SS 309EN 1.4828UNS S30900X15CrNi23-13
AISI 309SSUS309 SSS 309SEN 1.4833UNS S30908X15CrNiSi20-12
AISI 310SUS310SS 310EN 1.4841UNS S31000X15CrNiSi25-20
AISI 310SSUS310 SSS 310SEN 1.4845UNS S31008X8CrNi25-21
AISI 316SUS316SS 316EN 1.4401UNS S31600X5CrNiMo17-12-2
AISI 316LSUS316 LSS 316 LEN 1.4404UNS S31603X2CrNiMo17-12-2
AISI 316TiSUS316 TiSS 316 TiEN 1.4571UNS S31635X6CrNiMoTi17-12-2
AISI 317SUS317SS 317 UNS S31700 
AISI 317LSUS317LSS 317LEN 1.4438UNS S31703X2CrNiMo18-15-4
AISI 321SUS321SS 321EN 1.4541UNS S32100X6CrNiTi18-10
AISI 321HSUS321 HSS 321HEN 1.4878UNS S32109X12CrNiTi18-9
AISI 347SUS347SS 347EN 1.4550UNS S34700X6CrNiNb18-10
AISI 347HSUS347HSS 347HEN 1.4961UNS S34709X6CrNiNb18-12
End of List For Austhentic Stainless Steel

 

Stainless Steel Grade Designation ( Martensitic Stainless Steel )

AISI 409SUS409SS 409EN 1.4512UNS S40900X2CrTi12
AISI 410SUS410SS 410EN 1.4006UNS S41000X 10 Cr 13
AISI 410SSUS410SSS 410SEN 1..4516UNS S41008X6CrNiTi12
AISI 416SUS416SS 416EN 1.4005UNS S41600X 12 CrS 13
AISI 420SUS420J1SS 304EN 1.4021UNS S42000X 20 Cr 13
AISI 420FSUS420FSS 420F-UNS S42020-
AISI 429SUS429SS 429-UNS S42900 
AISI 430SUS430SS 430EN 1.4016UNS S43000X 8 Cr 17
AISI 430FSUS430FSS 430FEn 1.4104UNS S43020X 12 CrMoS 17
AISI 446CSUS446SS 446CEN 1.4762UNS S44600X4CrNi18-10
End of List For Martensitic Stainless Steel

 

Stainless Steel Grade Designation ( Super Austhenitic Stainless Steel )

AISI 904LQS 2025 MCSS 904LEN 1.4539UNS N08904X1NiCrMoCu25-20-5
End of List For Super Austhentic Stainless Steel

 

Nut Type

Hex NutsHeavy Hex NutCap NutAcorn NutSerrated Flange Nut
Coupling NutSquare NutCastle NutWing NutFlange Lock Nut
Flex Lock NutHigh NutKep NutJam NutNylon Lock Nut
Slotted NutReversible Lock NutCustom NutT Nuts 

 

Stainless Steel Coupling Nut Application Industries

Sunflex Metal Industries are engaged in manufacturing of robust quality of Stainless Steel Coupling Nut. These Stainless Steel Coupling Nut are widely used in the following industries:

Stainless Steel Coupling Nut Mining Industries
Stainless Steel Coupling Nut Transport Industries- Rail and Road
Stainless Steel Coupling Nut Construction Industries / Building Systems
Stainless Steel Coupling Nut Manufacturing Industries
Stainless Steel Coupling Nut Agriculture Industries
Stainless Steel Coupling Nut Energy Industries
Stainless Steel Coupling Nut Water Industries
Stainless Steel Coupling Nut Automotive Industries
Stainless Steel Coupling Nut Ship Building Industries
Stainless Steel Coupling Nut Nuclear Power Plant
Stainless Steel Coupling Nut Paper & Pulp Industries
Stainless Steel Coupling Nut Sugar Industries
Stainless Steel Coupling Nut Engineering Cement Industries
Stainless Steel Coupling Nut Petro-Chemical Industries
Stainless Steel Coupling Nut Food Industries
Stainless Steel Coupling Nut Oil & Gas Industries
Stainless Steel Coupling Nut Chemical & Pharmaceutical Industries

Share This Page


Our main markets are: