Stainless Steel Flange Nuts supplier

Stainless Steel Flange Nuts

Exhaust Flange Nuts & High-Strength 12-Point Flange Nuts manufacturers in India

Get Free quote to buy Metric Flange Nuts. Stainless Steel Serrated Flange Nuts at best price in Mumbai, India

Stainless Steel Flange Nuts
Stainless Steel Flange Nuts
High-Strength 12-Point Flange Nuts
High-Strength 12-Point Flange Nuts
Stainless Steel Serrated Flange Nuts
Stainless Steel Serrated Flange Nuts

Stainless Steel Flanged Wing Nuts for all purposes: from M8 Stainless Steel Flange Nuts to Stainless Steel Flange Lock Nuts. 

We have supplied Stainless Steel Flange Nuts to more than 30 countries in Europe, Far East Asia and Middle east. Siddhagiri Metals has become No.1 choice as trusted Flange Nuts supplier and distributor in The Philippines, Bahrain, Poland, Qatar, Singapore, Malaysia, South Africa, Sharjah, Sydney, Sri Lanka, Australia, Saudi Arabia, Dubai, Abu Dhabi, Doha Qatar, Europe, Germany, Spain, Southampton, Scotland, Thailand, Cape Town & New Zealand.

In last 5 years we have supplied Metric Flange Nuts in Al Quoz, Ajman, Jebel Ali, Belgaum, California, Chicago, Houston Tx, Indiana, Ireland, Italy, Johannesburg, New Jersey, Kuwait, Melbourne, Mississauga, Mexico, Mussafah, Oman, Peenya, Pretoria, Penang, Port Elizabeth & Czech Republic.

Stainless Steel Flange Nuts

SS Flange Nuts specifications

Grade 18-8 Stainless Steel, 4.8, 8.8, A2, A4, A2-70; A4-70; A4-80 Flange Nuts
DIN standard DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439
British standards BS 57
Stainless Steel Flange Nuts Size
  • Cold Froging : M2-M24
  • Hot forging M24-M100, 1-1/2” Dia, up to 1100mm lg
  • Machining and CNC for Customized connecting element: up to M100 / 4” Dia, up to 1500mm lg

Stainless Steel Flange Nuts M2, M3, (M3.5), M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M33, M36, M42, (M45), M48 to M160 and Custom Sizes

Length 3 mm to 200 mm
Stainless Steel Threads: Metric, Metric Fine, BSW, UNF, UNC, BA, BSF and BSCY (cycle) threads or as required
Standard:
  • ISO 4035
  • ISO 14585C ~DIN 7981C
  • DIN 7973C ~ISO 1483
  • DIN 7983C ~ISO 7051
  • ANSI B18.3.1M
  • ASME B18.6.3
  • GB/T5782, GB/T5783, GB5783


DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards
ANSI – American National Standards Institute

DIN Standard B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985
UTS – Unified Thread Standard UNC, UNF, UNEF, UNS, NPT, NPTF
Dimensions ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded.
Tolerance +/-0.01mm to +/-0.05mm
Head drive: Phillips, Slotted, Phillips/Slot, Six-Lobe, etc
Type Pan/ Round/ Oval/ countersunk/ Truss head
Head Pan head, flat head, oval head, hex head, phillips head
Finishing: Zinc (yellow, white, blue, black), black oxide
Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated
Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET
Finish Per ASTM A380/A380M
Production process Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing
Origin and service-region: European
Origin of Stainless Steel Flange Nuts are Western European. However projects with eastern origin are possible on request.
Surface Coating:
  • Ptfe Coated Flange Nuts
  • Hot Dipped Galvanizing Flange Nuts
  • Phosphate Flange Nuts
  • Teflon Flange Nuts
  • Xylon Flange Nuts
  • Zinc Phosphate Flange Nuts
  • Manganese Phosphate
  • Zinc Electro Plating (Hexavalent or Trivalent Chrome)
  • ZAC (Zinc Alluminium Flake Coating)
  • Cadmium Flange Nuts

All surface finishes can be supplied, including Zinc, Galvanised, Sherardized, Electroless Nickel, Dacromet, Geomet & PTFE.

Surface treatment
  • Polish
  • Passivation
  • Anodizing
  • Sand blasting
  • Heat-disposing
  • Hot-dip galvanizing
  • Rust preventive oil
  • Black oxide coating
  • Electroplating (color, blue, white, black zinc, Ni, Cr, tin, copper, silver)
Top Manufacturers SPAX® Screws, GKW, Unbrako, Kundan, APL, Sundaram Precision, Infasco, EBY Fastener Etc.
Stainless Steel Flange Nuts Packing: IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request
Why choose us?
  • Best Price in India and compare to China
  • Professional technical team
  • High precision threads
  • Strong production line
  • Siddhagiri Metals will be your reliable partner
MOQ 5 pieces
Test Certificate:
  • Manufacturer Test Certificate as per EN 10204 / 3.1,
  • Tensile testing to ISO 898-1
  • Nut proof load testing to ISO 898-2
  • Suitability for preloading to EN 14399-2
  • Suitability test for calibrated preload to EN 14399-10
  • Charpy Impact testing in accordance with ISO 148-1
  • Hardness testing to ISO 6508-1
  • Tri-Roll Thread Comparators
  • Calibrated gauges and tools
Free Samples Yes
Delivery time Regular product is about 7-15 days, custom product will according to special requirement
Payment Terms T/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping
Other available material
  • Stainless Steel Flange Nuts: SUS201, SUS304, SUS316, SUS410
  • Brass Flange Nuts: C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40)
  • Bronze Flange Nuts: C51000, C52100, C54400 etc
  • Aluminum Flange Nuts: Al6061, Al6063 etc
  • Aluminum Alloy Flange Nuts: Al6061, Al6063 etc
  • Titanium and Titanium Alloy Flange Nuts: TAD, TA1-TA8, TB2, TC1-TC10
  • Alloy steel Flange Nuts: SCM435, C10B21, C10B33
Stainless Steel Flange Nuts dealers & distributors are located in

Mumbai, Ludhiana, Ahmedabad, Gujarat, Chennai, Bangalore, India

Uses & application Railway, Wind tower, Nuclear power, Automotive industry, Construction, Electronic industry

Stainless Steel Flange Nuts Price List

Thread/ Dia Size 18-8 Stainless Steel Flange Nuts Price 316 Stainless Steel Flange Nuts Price
1/4"-20 $5.70 / each $9.74 / each
5/16"-18 $5.80 / each $10.87 / each
3/8"-16 $7.15 / each $11.99 / each
1/2"-13 $9.20 / each $13.60 / each

Please note: Price is subject to change without any prior notice. This is just an approx price list in India.

Are you searching reliable & trusted High-Strength 12-Point Flange Nuts supplier & distributor in USA, UK, South Africa, Malaysia, Singapore & UAE?

You have come to the right place. These Flange Nuts are highly resistant against any form of acidic, oxidization or contact with any material that leads to corrosion. Speak us at +91-22-2386 5529 / 6610 9206 for more detail.

Flange Nuts for sale

Stainless Steel Flange Nuts Material Grades

18-8 Stainless Steel Flange Nuts 8.8 Flange Nuts
4.8 Flange Nuts A2 Flange Nuts
A4 Flange Nuts A2-70 Flange Nuts
A4-70 Flange Nuts A4-80 Flange Nuts
A193 B6 (410) Flange Nuts A193 B8C (347) Flange Nuts
18-8 Stainless Steel Flange Nuts 410 Stainless Steel Flange Nuts
304 Stainless Steel Flange Nuts 304L Stainless Steel Flange Nuts
304H Stainless Steel Flange Nuts 310 Stainless Steel Flange Nuts
316 Stainless Steel Flange Nuts 316H Stainless Steel Flange Nuts
316L Stainless Steel Flange Nuts 317 Stainless Steel Flange Nuts
317L Stainless Steel Flange Nuts 321 Stainless Steel Flange Nuts
347 Stainless Steel Flange Nuts 904L Stainless Steel Flange Nuts
A193 B8T (321) Flange Nuts Duplex 2205 Flange Nuts
17-4 PH Flange Nuts 316 Stainless Flange Nuts


Stainless Steel Flange Nuts Dimensions

Standard Dimension Description Size Threads Finish Material Grade
ISO 4032 Flange Nuts M-16 to M-100 MM Bright SS 304, SS 316, SS 316L, 316S31
DIN 934 Flange Nuts M-16 to M-100 MM Bright SS 304, SS 316, SS 316L, 316S31
ANSI B18.2.2 Flange Nuts 5/8″ to 4″ Unc Bright ASTM A-194 8 , 8M, 8T
BS 1083 Flange Nuts 5/8″ to 4″ BSW Bright ASTM A-194 8 , 8M, 8T

Fastener Type Diameter Grades Grades Grades Grades
Hex nuts M-30 to M-72 304 / 304 L 316 / 316 L 310 / 310 S 410 / 431
Hex lock nuts M-30 to M-72 304 / 304 L 316 / 316 L 310 / 310 S 410 / 431
Hex nylock nuts M-30 to M-64 304 / 304 L 316 / 316 L 310 / 310 S 410 / 431
Hex castle nuts M-12 to M-72 304 / 304 L 316 / 316 L 310 / 310 S 410 / 431
Heavy hex nuts M-12 to M-72 304 / 304 L 316 / 316 L 310 / 310 S 410 / 431

* Comparison chart for international steel grades for stainless steel Flange Nuts

Type Grades European Number ASTM grade UNS British standard DIN
SS Flange Nuts 304 1.4301 ASTM A 193 Gr B8 S 30400 BS 970 X 5CrNi1810
SS Flange Nuts 304 L 1.4306 ASTM A 320 Ge B8 S 30403 BS 970 X 2CrNi1911
SS Flange Nuts 316 1.4401 ASTM A 193 Gr B8M S 31600 BS 970 X 5 CrNiMo 17 13 2
SS Flange Nuts 316 L 1.4404 ASTM A 320 Ge B8M S 31603 BS 970 X 2 CrNiMo 17 13 2
SS Flange Nuts 310 1.4841 ASTM A 479 S 31000 BS 970 X 12 CrNi 25 21
SS Flange Nuts 310 S 1.4845   S 31008 BS 970 X 12 CrNi 25 21
SS Flange Nuts 410 1.4006   S 41000 BS 970 X 10Cr13
SS Flange Nuts 431 1.4057   S 43100 BS 970 X 20CrNi172
SS Flange Nuts 316S31 1.4401 ASTM A 193 Gr B8M S 31600 BS 970 X 5 CrNiMo 17 12 2

Alloy Steel Flange Nuts

Standard Dimension Description Size Threads Finish Material Grade
ISO 4032 Flange Nuts M-16 to M-100 MM Plain / Zinc plated / HDG / Teflon / PTFE / Zinc aluminum flake / Geomet 10, 12
DIN 934 Flange Nuts M-16 to M-100 MM Plain / Zinc plated / HDG / Teflon / PTFE / Zinc aluminum flake / Geomet 10, 12
ANSI B18.2.2 Flange Nuts 5/8″ to 4″ Unc Plain / Zinc plated / HDG / Teflon / PTFE / Zinc aluminum flake / Geomet ASTM A-194 4 , L4, 7 , 7M
BS 1083 Flange Nuts 5/8″ to 4″ BSW Plain / Zinc plated / HDG / Teflon / PTFE / Zinc aluminum flake / Geomet ASTM A-194 4 , L4, 7 , 7M

Carbon Steel Flange Nuts

Standard Dimension Description Size Threads Finish Material Grade
ISO 4032 Flange Nuts M-16 to M-100 MM Plain / Zinc plated / HDG 4.6, 5.6, 6.6, 8.8
DIN 934 Flange Nuts M-16 to M-100 MM Plain / Zinc plated / HDG 4.6, 5.6, 6.6, 8.8
ANSI B18.2.2 Flange Nuts 5/8″ to 4″ Unc Plain / Zinc plated / HDG S, R, T
BS 1083 Flange Nuts 5/8″ to 4″ BSW Plain / Zinc plated / HDG A, B, C

High Tensile Flange Nuts | Flange Nuts Grades | Flange Nuts Dimensions | Flange Nuts Manufacturers | Flange Nuts Suppliers

Standard / Material grade C MN P S
A 307 Grade B 0.29 1.2 0.04 0.15
4.6 0.55 max 0.05 0.06
5.6 0.13-0.55 0.05 0.06
6.8 0.15-0.55 0.05 0.06
8.8 0.25-0.55 0.05 0.06

Carbon steel grades of steel are generally used in manufacturing low carbon steel Flange Nuts mentioned above in the above standards, gradesupto 6.8 are in non heat treated condition whereas Flange Nuts from 8.8 and above are heat treated to provide them with extra strength. We produce and export over 200 tons of high tensile Flange Nuts to middle east and Europe.

Duplex Steel Flange Nuts

Standard Dimension Description Size Threads Finish Material Grade
ISO 4032 Flange Nuts M-16 to M-100 MM Bright S32205 , S31803
DIN 934 Flange Nuts M-16 to M-100 MM Bright S32205 , S31803
ANSI B18.2.2 Flange Nuts 5/8″ to 4″ Unc Bright S32205 , S31803
BS 1083 Flange Nuts 5/8″ to 4″ BSW Bright S32205 , S31803

Nuts as per British Standard Specification

BS 1083 Thin Hex Jam Nut BS 1083 Hex Nut
BS 1083 Full Hex Nut BS 1083 Hex Locking Nut with Nylon Insert (Type T)
BS 1083 Hex Locking Nut with Nylon Insert (Type P)  

Find dedicated worldwide distributors:

We have our dealers & distributors globally to fulfill all your requirement of Flange Nuts
  • Courbevoie
  • Jeddah
  • Hanoi
  • Riyadh
  • Baroda
  • Chennai
  • Ahmedabad
  • Ranchi
  • Faridabad
  • Chiyoda
  • Bangkok
  • Perth
  • Sharjah
  • Ahvaz
  • Ankara
  • Nashik
  • Petaling Jaya
  • Rajkot
  • Jakarta
  • Seoul
  • Jamshedpur
  • Mumbai
  • Bhopal
  • Algiers
  • Moscow
  • Granada
  • Busan
  • New York
  • Rio de Janeiro
  • Singapore
  • Edmonton
  • Al Jubail
  • London
  • Dubai
  • Abu Dhabi
  • Melbourne
  • Sydney
  • Al Khobar
  • Madrid
  • Calgary
  • Santiago
  • Lahore
  • Cairo
  • Gurgaon
  • Noida
  • Surat
  • Visakhapatnam
  • Navi Mumbai
  • Brisbane
  • Lagos
  • Karachi
  • Port-of-Spain
  • Thane
  • Houston
  • New Delhi
  • Ho Chi Minh City
  • Kolkata
  • Ernakulam
  • La Victoria
  • Caracas
  • Doha
  • Ludhiana
  • Secunderabad
  • Hong Kong
  • Mumbai
  • Milan
  • Dammam
  • Kuala Lumpur
  • Geoje-si
  • Ulsan
  • Atyrau
  • Aberdeen
  • Bogota
  • Indore
  • Montreal
  • Toronto
  • Vadodara
  • Hyderabad
  • Nagpur
  • Thiruvananthapuram
  • Coimbatore
  • Kuwait City
  • Manama
  • Los Angeles
  • Pune
  • Bengaluru
  • Dallas
  • Mexico City
  • Kanpur
  • Jaipur
  • Chandigarh
  • Colombo
  • Howrah
  • Vung Tau
  • Pimpri-Chinchwad
  • Muscat
  • Haryana
  • Istanbul
  • Gimhae-si & Tehran.

Location wise estimated shipping information:

Country Days Country Days
Malaysia 15 Poland 15
USA 45 Canada 45
Saudi Arabia 15 Qatar 15
Australia 30 UK 35
UAE 15 Thailand 20
Bahrain 15 Kenya 40
Iran 7 Singapore 14
Vietnam 20 Albania 20
Italy 40 India 7
Zambia 40 Egypt 40
South Africa 40 Australia 40
Namibia 40 Indonesia 20
Uganda 40 Angola 40
Nigeria 40 Ethiopia 40
Turkey 30 Tanzania 30
Libya 40 Syria 40
Kazakhstan 20 Algeria 20


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Buy Stainless Steel Serrated Flange Nuts from manufacturers and distributors in UK, UAE and USA.