Cromonimet Steel limited is a leading manufacturer, supplier, and exporter of Stainless Steel Fasteners. We offer a wide range of Stainless Steel Fasteners in different sizes and shapes that are being designed as per the national and international standards and specifications by marinating the quality of raw materials. We are also offering high graded Fasteners in various length sizes and shapes and are available at affordable prices. Our high graded Stainless Steel Fasteners has superior corrosion resistance characteristics that are generally non-magnetic. Some of the other advanced properties that these high graded fasteners possess are Non-magnetic, cannot be hardened by heat treatment, Maximum carbon content, and many more. Cromonimet Steel limited develops this high quality of Stainless Steel Fasteners are regularly utilized in a wide range of industries where superior corrosion resistance is a must. These excellent qualities of Fasteners provide a cost-effective solution for any critical applications that demand superior corrosion resistance ability.

We, Cromonimet Steel limited, are fabricating these high graded Stainless Steel Fasteners at our high-tech manufacturing firm. We also have warehouses and firms to store all these fasteners in a safe manner. During product development, we make use of only premium quality of raw materials. Our professionals are precisely checking the quality standard of the raw materials then only using for the product development process. Our professional experts are very skilled and have a vast knowledge of manufacturing these Stainless Steel Fasteners by maintaining the product quality. Our Engineers also make use of the latest types of machinery and technologies for fabricating these highly demandable Stainless Steel Fasteners in a bulk amount. We always focus on following all the national and international standards to maintain the quality standard even globally.

We, Cromonimet Steel limited, also perform several testing procedures on the final product. And then only we are sending all these fasteners to the packaging section. After that our workers are packing these high quality fasteners with suitable packaging material. And then only we make delivery of these fasteners on time using fast transportation medium. And along with the products, we are giving some sort of documentation for better quality assurance.


SS Fasteners SpecificationsASTM A193 / A194, ASME SA193 / A194
Standard specificationIS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI
Stainless Steel Fasteners SizeM3 – M56 | 3/6″ to 2″ | Custom Sizes
ASTM A193 SS Fasteners Length3 mm to 200 mm
Stainless Steel BoltsANSI B18.2.1, DIN 931/ 933
Stainless Steel Bolts Size Metric
  • Dia: M10 – M110
  • Length: 12 – 1200MM
SS Bolts Size Inch
  • Dia: 1/2″ – 4.0″
  • Length: 1/2″ – 52″
SS grade Eye Bolts Metric Size
  • Dia: M10 – M48
Stainless Steel Nut (DIA)
  • Metric: M6 – M110
  • Inch: 1/4″ – 4.5″
SS Plain Washer (DIA)
  • Metric: M6 – M110
  • Inch: 1/2″ – 4.1/2″
Value Added ServicesCutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing
Inspection and Test ReportsEN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports
Nominal Fasteners Sizes
Fasteners Schedule or Pressure
Manufacturing Method
Heat Number
Manufacturer’s Name or Custom Logo – on request
Marked Fasteners Sample: ASTM A194 Fasteners HEAT NO. XXXX
Outside FinishFinish as per customer Requirements
Stainless Steel Fasteners ThreadsBSF, UNF METRIC, UNC, UNEF, BSW or as required
DIN German Standard Stainless Steel FastenersDIN 933, DIN 931, DIN 970, DIN 934
ISO Standard SUS FastenersISO 4033, : ISO 4032, JIS standards
ASME/ ANSI – American Standard Stainless Steel FastenersANSI B 28.2.4 1M, ANSI B 18.2.4 2M, ASME B18.5, ASME B18.2.2
Packing of Steel Grade FastenersWooden Pallet, Canton, Carton / Small Box or as required, or as per Customers Requests
AISI Stainless Steel Fasteners Production ProcessCold Forging, hot forging, machining and CNC for Customized connecting element
Heat TreatmentNormalized, Normalized & Tempered
Stainless Steel Fasteners CoatingXylon Coated Fasteners, Phosphate Coated Fasteners, Hot Dipped Galvanizing Coated Fasteners, Teflon Coated Fasteners, Zinc Coated Fasteners, Ptfe Coated (Teflon) Fasteners, Cadmium Coated Fasteners
SpecialsSizes and Specifications other than above can be on request


SS 3041.4301S30400SUS 304304S3108Х18Н10Z7CN18-09X5CrNi18-10
SS 304L1.4306 / 1.4307S30403SUS 304L3304S1103Х18Н11Z3CN18-10X2CrNi18-9 / X2CrNi19-11
SS 3101.4841S31000SUS 310310S2420Ch25N20S2X15CrNi25-20
SS 310S1.4845S31008SUS 310S310S1620Ch23N18X8CrNi25-21
SS 3161.4401 / 1.4436S31600SUS 316316S31 / 316S33Z7CND17-11-02X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316L1.4404 / 1.4435S31603SUS 316L316S11 / 316S1303Ch17N14M3 / 03Ch17N14M2Z3CND17-11-02 / Z3CND18-14-03X2CrNiMo17-12-2 / X2CrNiMo18-14-3
SS 316Ti1.4571S31635SUS 316Ti320S3108Ch17N13M2TZ6CNDT17-123X6CrNiMoTi17-12-2
SS 3171.4449S31700SUS 317
SS 317L1.4438S31703SUS 317LX2CrNiMo18-15-4
SS 3211.4541S32100SUS 321X6CrNiTi18-10
SS 321H1.4878S32109SUS 321HX12CrNiTi18-9
SS 3471.4550S34700SUS 34708Ch18N12BX6CrNiNb18-10
SS 347H1.4961S34709SUS 347HX6CrNiNb18-12
SS 4461.4762 / 3S44600
SS 904L1.4539N08904SUS 904L904S13Z2 NCDU 25-20X1NiCrMoCu25-20-5
SMO 2541.4547S31254X1CrNiMoCuN20-18-7


ASTM A194 SS Heavy Hex NutsStainless Steel Custom Fasteners
Stainless Steel Weld Nut DealerCustom Stainless Steel Fasteners
Stainless Steel Square Head BoltSS Flange Bolts Stockist
Stainless Steel Slotted Set ScrewsStainless Steel Coach Screws
SS Nuts and Bolts ExporterStainless Steel Tie Bar
Stainless Steel Socket Head Cap ScrewsStainless Steel Hanger Bolts
Stainless Steel U AnchorStainless Steel Heavy Hex Bolts
SS Full Thread Studs WholesalerGrade Steel Hexagon Head Bolts
Stainless Steel High Quality FastenersStainless Steel Metric Threaded Rod
Stainless Steel Flat WasherStainless Steel Split Washers
Stainless Steel Fasteners Supplier in MumbaiASME SA194 Stainless Steel Hex Head Bolts
SS Hex Flange Bolts ManufacturerStainless Steel Industrial Fasteners
Stainless Steel Metric FastenersSteel Grade Eye Screw in Mumbai
Stainless Steel Tab WashersStainless Steel Lifting Eye Bolt
Stainless Steel Nylock NutASTM A194 Stainless Steel Dome Nuts

Other types of Grades Available

Stainless Steel 304 Fasteners
Stainless Steel 304L Fasteners
Stainless Steel 304H Fasteners
Stainless Steel 310 Fasteners
Stainless Steel 310S Fasteners
Stainless Steel 316 Fasteners
Stainless Steel 316L Fasteners
Stainless Steel 316H Fasteners
Stainless Steel 317L Fasteners
Stainless Steel 321 Fasteners
Stainless Steel 321H Fasteners
Stainless Steel 347 Fasteners
Stainless Steel 347H Fasteners
Stainless Steel 446 Fasteners
Stainless Steel 904L Fasteners
Stainless Steel 254 SMO Fasteners
ASTM A167Grade 310
ASTM A182 Grade F310
ASTM A182 Grade F310H
ASTM A213 Grade S31002
ASTM A213 Grade TP310Cb
ASTM A213 Grade TP310H
ASTM A213 Grade TP310HCb
ASTM A213 Grade TP310HCbN
ASTM A213 Grade TP310MoLN
ASTM A213 Grade TP310S
ASTM A240 Grade S31008
ASTM A240 Grade S31009
ASTM A240 Grade S31040
ASTM A240 Grade S31041
ASTM A249 Grade TP310Cb
ASTM A249 Grade TP310H
ASTM A249 Grade TP310HCb
ASTM A249 Grade TP310S
ASTM A276 Grade S31000
ASTM A276 Grade S31008
ASTM A276 Grade S31040
ASTM A312 Grade 310
ASTM A312 Grade S31002
ASTM A312 Grade TP310Cb
ASTM A3121 Grade TP310H
ASTM A312 Grade TP310HCh
ASTM A312 Grade TP310S
ASTM A314 Grade S31000
ASTM A314 Grade S31008
ASTM A336 Grade F310
ASTM A336 Grade F310H
ASTM A358 Grade A240 Type 310Cb
ASTM A358 Grade A240 Type 310S
ASTM A403 Grade 310
ASTM A403 Grade CR310S
ASTM A403 Grade WP310S
ASTM A409 Grade 310
ASTM A409 Grade TP310Cb
ASTM A409 Grade TP310S
ASTM A473 Grade 310
ASTM A473 Grade 310S
ASTM A478 Grade 310Cb
ASTM A479 Grade S31008
ASTM A479 Grade S31009
ASTM A479 Grade S31040
ASTM A511 Grade MT310S
ASTM A554 Grade MT310S
ASTM A580 Grade S31000
ASTM A580 Grade S3100
ASTM A632 Grade TP310
ASTM A813 Grade TP310Cb
ASTM A813 Grade TP310S
ASTM A814 Grade TP310Cb
ASTM A814 Grade TP310S
ASTM A943 Grade TP310Cb
ASTM A943 Grade TP310H
ASTM A943 Grade TP310HCb
ASTM A943 Grade TP310S
ASTM A959 Grade S31000
ASTM A959 Grade S31002
ASTM A959 Grade S31008
ASTM A959 Grade S31009
ASTM A959 Grade S31040
ASTM A959 Grade S31041
ASTM A959 Grade S31042
ASTM A965 Grade F310
ASTM A965 Grade F310H
ASTM F2281 Grade S31000
ASTM F2281 Type II
SAE 310
UNS S31000
ASTM A193 Grade B8P Class 1D
ASTM A193 Grade B8P Class 1
ASTM A193 Grade B8P Class 2
ASTM A193 Grade B8PA Class 1A
ASTM A194 Grade 8P
ASTM A194 Grade 8PA
ASTM A240 Grade S30500
ASTM A249 Grade TP305
ASTM A276 Grade S30500
ASTM A313 Grade S30500
ASTM A314 Grade S30500
ASTM A320 Grade B8P Class 1
ASTM A320 Grade B8P Class 2
ASTM A320 Grade B8PA Class 1A
ASTM A368 Grade 305
ASTM A473 Grade 305
ASTM A478 Grade 305
ASTM A492 Grade S30500
ASTM A493 Grade S30500
ASTM A511 Grade MT305
ASTM A554 Grade MT305
ASTM A182 Grade F316L
ASTM A182 Grade F316LN
ASTM A193 Grade B8MLN Class 1
ASTM A193 Grade B8MLN Class 1D
ASTM A193 Grade B8MLNA Class 1A
ASTM A194 Grade 8MLN
ASTM A194 Grade 8MLNA
ASTM A240 Grade S31603
ASTM A240 Grade S31653
ASTM A249 Grade TP316L
ASTM A249 Grade TP316LN
ASTM A276 Grade S31603
ASTM A276 Grade S31653
ASTM A276 Grade S31654
ASTM A314 Grade S31603
ASTM A320 Grade B8MLN Class 1
ASTM A320 Grade B8MLNA Class 1A
ASTM A336 Grade F316LN
ASTM A358 Grade A240 Type 316
ASTM A358 Grade 316
ASTM A358 Grade A240 Type 316L
ASTM A358 Grade A240 Type 316LN
ASTM A403 Grade CR316L
ASTM A403 Grade 316L
ASTM A403 Grade CR316LN
ASTM A403 Grade WP316L
ASTM A403 Grade WP316LN
ASTM A473 Grade 316L
ASTM A478 Grade 316L
ASTM A479 Grade S31603
ASTM A479 Grade S31653
ASTM A493 Grade S31603
ASTM A580 Grade S31603
ASTM A632 Grade TP316L
ASTM A666 Grade S31603
ASTM A774 Grade TP316L
ASTM A778 Grade TP316L
ASTM A793-96 Grade 316L
ASTM A813 Grade TP316L
ASTM A813 Grade TP316LN
ASTM A814 Grade TP316L
ASTM A814 Grade TP316LN
ASTM A943 Grade TP316L
ASTM A943 Grade TP316LN
ASTM A955 Grade S31603
ASTM A959 Grade S31603
ASTM A959 Grade S31653
ASTM A959 Grade S31654
ASTM A965 Grade F316LN
ASTM A988 Grade S31603
ASTM A988 Grade 18Cr8Ni modified with Mo low carbon
ASTM A988 Grade S31653
ASTM A988 Grade 18Cr8Ni modified with Mo and N
ASTM F2281 Grade S31603
ASTM F2281 Type I Class A
ASTM F593 Grade S31603
ASTM F593 Grade Alloy Group 2
ASTM F594 Grade S31603
ASTM F594 Alloy Group 2
ASTM F738M Grade S31603
ASTM F738M Grade Alloy Group A4
ASTM F836M Grade S31603
ASTM F836M Grade Alloy Group A4
ASTM F837 Grade S31603
ASTM F837 Grade Property Class A1
ASTM F879 Grade S31603
DIN 1.4404
DIN X2CrNiMo18-10
DIN X2CrNiMo17-12-2
DIN G-X2CrNiMoN18-14
DIN GX2CrNiMoN18-14
DIN X2CrNiMoN17-12-2
DIN X2CrNiMo17-13-2
DIN G-X2CrNiMoN18-10
BS 316S12
UNI X2CrNiMo1712
SS 2343
SS 2348
SS 2553
SAE 316L
EN X2CrNiMo17-12-2
EN 1.4404
GOST 03Ch17N13M2
GB 022Cr17Ni12Mo2
UNS S31603
DIN 1.4409
BS 316C12
EN GX2CrNiMo19-11-2
EN 1.4409
UNS J92800
DIN 1.4432
AFNOR Z3CND17-12-03
BS 316S13
EN X2CrNiMo17-12-3
EN 1.4432
GOST 06Ch17N13M3-WD
DIN 1.4435
DIN X2CrNiMo18-14-3
AFNOR  Z3CND18-14-03
BS 316S11
BS 316S31
SS 2353
UNE X2CrNiMo18-14-3
SAE 316LMo
EN X2CrNiMo18-14-3
EN 1.4435
GOST 03Ch17N14M3
GB 00Cr18Ni15Mo3
ASTM F593 Grade Alloy Group 1
ASTM F593 Grade S30323
ASTM F593 Grade S30430
ASTM F593 Grade S30433
ASTM F594 Grade S30300
ASTM F594 Grade Alloy Group 1
ASTM F594 Grade S30323
ASTM F594 Grade S30430
ASTM F594 Grade S30433
ASTM F738M Grade S30300
ASTM F738M Grade Alloy Group A1
ASTM F738M Grade S30323
ASTM F738M Grade S30430
ASTM F738M Grade S30433
ASTM F836M Grade S30300
ASTM F836M Grade Alloy Group A1
ASTM F836M Grade S30323
ASTM F836M Grade S30430
ASTM F836M Grade S30433
ASTM F837 Grade S30300
ASTM F837 Grade Property Class A1
ASTM F837 Grade S30430
ASTM F837 Grade S30433
ASTM F879 Grade S30430
ASTM F879 Grade S30433
ASTM F880 Grade S30300
ASTM F880 Grade S30323
ASTM F880 Grade S30430
ASTM F880 Grade S30433
DIN 1.4324
AISI 302
SAE 302
EN 1.4324
EN 1.4539
EN X1NiCrMoCu25-20-5