1/B, Ground Floor, Siddhi Apartment,
10th Khetwadi Back Road, Mumbai 400 004

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sales@dalloyedfasteners.com

ADNOC Approved Manufacturer and Supplier of
High Tensile Bolts as per CBAM Requirements
Construction and Aerospace High Tensile Nut
Available in Grade 8.8 to 12.9 at Competitive Price

Over 300 traders and fabricators in Middle East and South African countries import prime quality high tensile threaded rod, washer and stud bolt because our material is accepted in Ras Gas and Qatar Petroleum

High Tensile Fasteners Manufacturer In India

Dalloyed Fasteners, based in Mumbai, We have been serving high tensile bolts and nuts to our customers since 2015, with a very prime quality product range. High tensile fasteners manufacturer in India in hot or cold forging and CNC Machined, Buy HT stud bolt in custom sizes to meet your unique timeline.

High tensile stud bolt made from high tensile steel can withstand high strain levels. High tensile screws are widely used in automotive, energy sectors and construction applications. European origin high tensile fasteners manufacturer in india, offering excellent high tensile strength.

Having more than 10 years of experience as M12 x 100mm high tensile bolts supplier in USA, UK and UAE, Buy custom size as per DIN, JIS, ISO, ASTM, EN and BS standard.

Why Dalloyed Fasteners Is The Best Global High Tensile Fasteners Supplier

Dalloyed Fasteners is a leading high tensile fasteners manufacturer in india with an IBR certification. We produce the high tensile threaded rod in M8 to M120 sizes and UNC, BSW, BSF, UNF Threads as per ASME B18 2.1 and ASME B18 2.2.

An Saudi Aramco Certified Fasteners Manufacturer in India, We offer a range of Industrial Fasteners for Various Industries, including Oil and Gas, Water Treatment, and Construction.

Bharat Petroleum Approved Supplier of High Tensile Bolts

We are high tensile fasteners manufacturer in india, using the Japanese sourced raw material that is 100% tested as per EN 10204/3.1B. High tensile hex bolt offer top 3 features, increased strength, reduced material waste and good corrosion resistance in high stress environments.

Corrosion-Resistant Fastener Materials

Corrosion Resistant Materials	Corrosion Resistant Grade
Stainless Steel Fasteners	302, 304, 309, 310, 316, 317, 321, 347, 410, 420, 430, 440C, 501, 502, 17-4 PH, PH 15-7Mo.
Nickel Alloy Fasteners	Inconel 625, Incoloy 825, Monel 400, Hastelloy C276, Copel, 35-15, Nichrome, Hastelloy B
Aluminum Fasteners	1100, 2014, 2017, 2024, 5052, 6061, 7075
High Temperature Alloys	19-9 DL, Nitronic 60, A286, Titanium, Nimonic 80A, Haynes 25, Unitemp 252, Rene 41, Inco 700, Hastelloy X, Waspaloy
Copper Bolts & Brass Bolts	Yellow, Phosphor, Naval Brass, Bronze, Aluminum, Silicon, Aluminum Silicon, Manganese, Cupro-Nicles
Nonmetallic Fasteners	Polypropylene, Teflon, Acrylic, Lexan, Poly Vinyl Chloride

Oil and Gas Fasteners

Petrochemical Fasteners

Construction Fasteners

top 5 bolt and nut manufacturing company

High Tensile Fasteners Grade

Grade	Applications	Tensile	Yield
Grade 8.8 Bolts	Construction	800 MPa	92,000 PSI
Grade 10.9 Bolts	Automotive	1000 MPa	145,000 PSI
Grade 12.9 Bolts	Energy Sectors	1220 MPa	159,500 PSI
Grade 14.9	Heavy Machinery	1400 MPa	203,052 PSI

100% Accurate Weight Chart

Manufacturing Standard

Updated Price List

Get High Tensile Threaded Rod in M6, M10, M12 and M20 Sizes for marine Application

Dalloyed Fasteners is one of the leading high tensile fasteners manufacturer in india. M12 high tensile threaded rod ideal for refinery, oil and gas, petrochemical and high temperature application.

High Temperature Fasteners

Corrosion Resistant Fasteners

Marine Fasteners

Customized Sizes and Shapes

Pure Nickel Bar Supplier

Stock For Harsh Environments

tips for ensuring safety and reliability

Top Coatings for High Tensile Threaded Rod

Types Of Coating	Color	Images
Anti Rust Coating	Red oxide and Mid grey
PE Coating	Milky white and Brown
PTFE Coating	Green, Grey and Blue
Zinc Coating	Silver, Yellow, and even Blue
FBE Coating	Green and Blue, Aqua

Suitable Environment for High Tensile Hex Bolts and Nuts

Installations & Applications	Processes	Uses
Chemical Processing	Wet and dry chlorine, Hot acids	Piping connections
Oil & Gas Application	HCN (Hydrogen cyanide), CO2, H2S, SO2 (Acid gases)	Pump body assemblies
Pharmaceutical	Oxidizing agents including Nitration, H2O2 (Hydrogen peroxide), Cl (Chlorine)	Pressure vessel closures
Semiconductor	Corrosive Nital (alcohol + nitric acid), and Strong HCl etchants	Storage tank mounting
Mining	POX (Partial Oxidation), HPAL (High Pressure Acid Leach)	Drilling equipment
Marine	Corrosive sea water, and Microbial corrosion	Heat exchangers

Stocking Distributors of High Tensile Nut Since 2015 in Germany, British and North American Automotive Standards

Finding an high tensile fasteners manufacturer in india? get a wide range of high tensile nyloc nuts sizes and head style such a hex, heavy hex, jam, finished, machine etc. High tensile hex nut are mainly used in harsh environment conditions.

German Standards (DIN)

European Standards (ISO)

Special Fasteners

High Tensile Bolt Temperature (RP0.2 N/mm²)

High Tensile Class	100°C	200°C	250°C	300°C
Grade 5.6 Bolts	270	230	215	195
Garde 8.8 Bolts	590	540	510	480
Grade 10.9 Bolts	875	790	745	705
Grade 12.9 Bolts	1020	925	875	825

Hindustan Petroleum Approved High Tensile Screws Stockist in India

High tensile fasteners manufacturer in india in UNC, UNF, BSF, BA, SAE threads, High tensile self tapping screws made of premium quality raw materials and the size can be customized. High tensile socket head cap screws have high tensile strength.

Sizes in Stock:

Metric Sizes : M2 To M100

Sizes Can Be Manufacture

Up to M180

Type of Neck

Square, Hex, Knurled, Triangular

Manufacturing Process

Hot and Cold Forging

Testing

PMI, Corrosion and Proof Load Test

American Standards:

ASME B18 2.1 & ASME B18 2.2

Type of Head:

Flat, Oval, Hex, Pan, Truss

Threads:

BSF, UNF, UNC, BSW

Surface Finish:

Teflon, Xylon, Black Oxide

Raw Material Source:

European, American, Korean

Top 3 Reasons to Choose Dalloyed Fasteners for Your Petrochemical Project

ISO 9001:2015 Certified, Dalloyed Fasteners one of the most oldest high tensile fasteners manufacturer in india. The company is also an NACE and IBR approved high tensile stud company in India.

Wide Stock of prime quality ferrous and non ferrous metals

Well recognised Supplier of M8 bolts in Saudi Arabia, UK and Germany

Ask for Price list of High quality fasteners accessories

Comparison: High Tensile Nut Vs Normal Nut

Feature	High Tensile Nut	Normal Nut
Material	Stainless and Alloy Steel	Standard Alloys
Applications	High Stress Environments	Light Duty Applications
Tensile Strength	Higher 800 MPa	below 500 MPa

When to Use and Not Use High Tensile Fasteners

When to Use	When to Not Use
Structural Applications	Low Stress Applications
Aerospace and Automotive	Corrosive Environments
Heavy Machinery	High Temperature Environments

Specialist in High Tensile Spring Washer Products for Oil Refineries

Check the List of Project in Where Dalloyed Fasteners Supplying High Tensile Bolts and Nuts in Fab 21, 2025

Saudi Aramco - Berri Gas Plant

M8 High Tensile Bolts
Al Jubail, Saudi Arabia
Delivery Time = 7 Day

Braskem

M12 High Tensile Nut
São Paulo, Brazil
Delivery Time = 45-60 Day

Egoli Gas

M20 High Tensile Threaded Rod
Johannesburg, South Africa
Delivery Time = 25-30 Day

Dubai Natural Gas Company

M3X20mm Socket Head Cap Screws
Dubai, UAE
Delivery Time = 5 Day

SBM Offshore

M16 High Tensile Washer
Schiphol, Netherlands
Delivery Time = 30 Day

Wintershall Dea

M10 High Tensile U Bolt
Hamburg, Germany
Delivery Time = 21 Day

Supplying M10 high tensile bolts to stockist and wholesaler of Building & Construction materials in Oman at Resale price. Also keep custom length and thickness Ex stock of standard sizes with stockholders in Netherland and Mexico.

Indian Government Certificate

Get the Cold and Hot Forging in Non Ferrous and Ferrous Metals at Best Price With Germany Sourced Raw Material in India

GST Certificate

MSME Certificate

IEC Certificate

Testing Methods of High Tensile Fasteners

Test Methods	High Tensile Fasteners Types
Torsion Test	All Screws Except Waisted Shank Screws
Charpy Impact Test	Bolts, screws and studs with a diameter ≥ 16 mm
Hardness Testing	All Bolts and Screws
Decarburization and Retempering Test	Class 8.8 to 12.9
Proof Load Test	Finished bolts, Screws and Studs
Head Soundness Test	Screws and Bolts
Proof Load Test	Finished bolts, studs and screws
Proof Load Test	Finished bolts, Screws and Studs

KNPC Approval Manufacturer of High Tensile Strength Super Alloys in India

Nickel Based Superalloy	Installations	Advantages
Waspaloy Fasteners	Jet Engines	Excellent High Temperature Strength
Nimonic 80A Fasteners	Turbines	Good Machinability
Inconel 625 Fasteners	Heat Exchangers	High Pressure Capabilities
Inconel 718 Fasteners	Aerospace	Excellent Mechanical Properties
Hastelloy C276 Fasteners	Chemical Processing	Outstanding Corrosion Resistance
Monel 400 Fasteners	Marine	Good Ductility

High Tensile Fasteners & Bolts Grade 8.8 & 10.9, 12.9: Recommended Tightening Torques

Size	Grade 8.8	Grade 10.9	Grade 12.9
-	Tightening Torque (Nm) Maximum	Tightening Torque (Nm) Maximum	Tightening Torque (Nm) Maximum
M2	Enquire	Enquire	Enquire
M3	1.37	1.37	1.37
M4	3.1	3.1	3.1
M5	6.15	6.15	6.15
M6	10.5	10.5	10.5
M8	26	26	26
M10	51	51	51
M12	89	89	89
M14	141	141	141
M16	215	215	215
M18	295	295	295
M20	420	420	420

High Tensile Bolt Load Capacity

Ultimate Tensile Load, N (Minimum)
Size	Grade 12.9	Grade 8.8	Grade 10.9
M3	6,140	4,020	5,230
M4	10,700	7,020	9,130
M6	24,500	16,100	20,900
M8	44,600	29,200	38,100
M10	70,800	46,400	60,300
M12	103,000	67,400	87,700
M14	140,000	92,000	120,000
M16	192,000	125,000	163,000
M18	234,000	159,000	200,000
M20	299,000	203,000	255,000
M22	370,000	252,000	315,000
M24	431,000	293,000	367,000
M30	684,000	466,000	583,000
M36	997,000	678,000	850,000

ADNOC Approved Manufacturer and Supplier of High Tensile Bolts as per CBAM Requirements

Construction and Aerospace High Tensile Nut Available in Grade 8.8 to 12.9 at Competitive Price

High Tensile Fasteners Manufacturer In India

Bharat Petroleum Approved Supplier of High Tensile Bolts

Get High Tensile Threaded Rod in M6, M10, M12 and M20 Sizes for marine Application

Stocking Distributors of High Tensile Nut Since 2015 in Germany, British and North American Automotive Standards

Hindustan Petroleum Approved High Tensile Screws Stockist in India

Specialist in High Tensile Spring Washer Products for Oil Refineries

ADNOC Approved Manufacturer and Supplier of
High Tensile Bolts as per CBAM Requirements

Construction and Aerospace High Tensile Nut
Available in Grade 8.8 to 12.9 at Competitive Price