Sanma Fastener (Zhejiang) Co., Ltd

Zhejiang, ChinaManufacturer/Factory & Trading CompanyMember since 2026 Audited supplier

Sanma Fastener (Zhejiang) Co., Ltd

Zhejiang, ChinaManufacturer/Factory & Trading CompanyMember since 2026 Audited supplier

Company profile

SANMA Fastener: API 20E Manufacturer High-Precision Fasteners & Quality Assurance SANMA Fastener is an industry-leading manufacturer and comprehensive solutions provider for high-performance industrial fastening systems. With 20 years of technical expertise, we specialize in high-strength nuts for the Oil & Gas, Petrochemical, Infrastructure, and Heavy Machinery sectors. While our core expertise lies in API-compliant Heavy Hex Nuts and critical bolting, we provide a one-stop procurement platform for the entire industrial fastening spectrum. Manufacturing Excellence At the heart of SANMA Fastener is our API-certified production hub, where scale meets precision. We specialize in high-performan…

Business Type: Manufacturer/Factory & Trading Company
Year Established: 2007
Registered Capital: 26,280,000 RMB
Nearest Port: Shanghai Port
Min. Order: 10 T

Main Markets: North America, South America, Europe, Southeast Asia/ Mideast

Main Products: Hex nut, Hex flange nut

OEM/ODM ServiceSample AvailableVisit My Factory

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Prices, MOQ, samples, delivery to India — ask in your own words.

Nuts

DIN 6915 Class 10 Zinc Plated Heavy Hex Structural Nuts Weathering Steel Heavy Structural Nut for Bridge Fastener

Heavy Hex Nuts ASTM A194 Grade 2h Dacromet Coated Heavy Hexagonal Nut for High Corrosion Resistance

Sanma Class10 Hex Nut JIS B 1181 Hexagon Head Nuts, Black Finish, Small Box Packing, S45c Material Nuts Factory Price

Stainless Steel 304 Hex Nut for Indoor Equipment, Coarse Thread Hex Nuts for Solar PV, Pipeline & Valve Industry, Construction & Steel Structure

High Quality Black Oxide DIN 936 Thin Hex Nut for Limited Space Installation Rivet Hex Nuts for Thin Panel Installation

Factory Price High-Quality DIN934 ISO4032 Carbon Steel Hex Nut M8 M10 M12 M16 Hexagonal Head Nuts HDG for Construction Projects

DIN 6923 Hex Flange Nut Premium Carbon Steel Grade 4/5/6/8/10 Flange Nut Dacromet/ HDG Flange Hexagon Nuts for Construction Projects Manufacturer

OEM/ODM High Strength ASTM A193 B7/B7m Heavy Hex Bolt Hot DIP Galvanized Coating Hexagon Head Cap Screw Bolts Fastener Match 2h Nuts for Oil&Gas Industry

Heavy Hex Nut

Sample Freely Provided DIN936 SS304 SS316 Durable Thin Hex Head Jam Nut Lock Nut for Anti Loose Assembly

ISO 4032 Unc Unf Imperial Hex Nut for North American Market with Zinc Plated, Black Oxide, Hot-DIP Galvanized, Dacromet Surface Treatment Fastener

ISO 4035 Grade 4/6/8/10 Bulk Hex Nut for Industrial Wholesale Supply Metric Hex Nut & Inch Hex Nut

Carbon Steel ASTM A194 2h Zinc Plated Metric Heavy Hex Nut

China Factory Carbon Steel Hexagon Head DIN Standard Hex Flange Nut for Construction Machinery

Chinese Fastener Factory High Quality DIN6923 Carbon Steel/Stainless Steel Hex Flange Nut Hexagonal Head Flange Nuts HDG for Construction Projects

ASTM A194 Grade 2h/2hm Heavy Hexagonal Head Nuts Carbon Steel High Pressure Flange Nut Matching A193 B7 Stud Bolt API Certified Nuts Fastener Manufacturer

2h Heavy Hex Nuts Zinc Plated (Cr3+) A194 2h Heavy Hex Nut ASME B18.2.2 High Tensile Heavy Nut for Oil Gas Refinery Pipeline

Hex Nut

ASTM A194 Grade 2h Heavy Hex Nut M10 Bulk Supply Hexagon Heavy Nuts for Global Engineering Contractors with HDG Coating Bolts and Nuts Fasteners

Zhejiang Sanma API Certified Nuts Fasteners Manufacturer ASTM A194 Heavy Hex Nut 2h/2hm Hex Head Nuts and Bolts Kits

API Certified ASTM A194 2h High Strength Carbon Steel Heavy Hex Nut HDG for Construction Projects Manufacturer

Custom Size ASTM A194 2h Heavy Hex Nut with Xylan Coating All Imperial Sizes Heavy Hex Metal Nut Manufacturer

High Pressure Resistant A194 2h Heavy Hex Nut Carbon Steel PTFE Coated Nuts for Natural Gas Pipeline

HDG ASTM A194 2h Heavy Hex Nut Hot Dipped Galvanized Nut for Outdoor Pipeline Project Fastener

ASTM A194 2h Tuerca 3/8&quot;Carbon Steel Heavy Hex Nut HDG for Photovoltaic Solar Panel Fastener Manufacturer with in-House Lab

Factory Outlet Shs Hexagon Head Nut M6-M48 Carbon Steel DIN934 Standard Hex Nut Class 8 Zinc Plated with Competitive Price

Bolts

High Quality Fine Thread Metric Carriage Bolt for European Standard Equipment, Mushroom Head Square Neck Bolts

4.8 Class Stainless Steel/Carbon Steel DIN603 Hot DIP Galvanized Carriage Bolt Square Neck Bolt

Factory Price ISO 8678 10.9 Zinc Plated Long Carriage Bolt for Wood Furniture Assembly Square Neck Bolts Anti-Rotation Structure

20 Years Factory DIN603 Carbon Steel Carriage Bolt HDG for Construction Projects Manufacturer

Customized Carbon Steel T Head Bolt Custom Special Fastener for Non-Standard Industrial Application

High Strength 10.9 Grade Serrated Flange Bolt for Global Industrial Supply Metric Hexagon Flange Bolt Manufacturer

Full Form and Size Zinc Plated Fastener Flange Bolts for Outdoor Infrastructure 8.8 Grade Smooth Flange Bolt Factory Offers Directly

Grade 8.8 / 10.9 Carbon Steel/SS304 /SS316 Stainless Steel Serrated Flange Bolt Hexagonal Flange Screws for Anti-Loosening Fastening with Black Oxide Coating

More from this supplier

ASME B18.16.6m Nylon Insert Lock Nut, Carbon Steel Lock Nut HDG for Construction Projects Manufacturer

API Certified OEM ODM Non Standard Fastener Screw for Marine Industrial Application

OEM&ODM Custom Non-Standard Special Fastener for Construction Project, Heavy Machinery, Oil & Gas Wellhead Equipment, Chemical Plant Equipment

M4 DIN557 Carbon Steel Square Metal Nut HDG for Construction Projects

DIN557 Carbon Steel Square Nut HDG for Oil & Gas Projects Manufacturer

Free Sample China Wholesale Zinc Plated Hex Bolt Match ASME B18.2.1, JIS1181 DIN933/931, ISO 4014/4017 Bolt for Solar Photovoltaic Kit

Fast Delivery High Temperature High Pressure ASTM A193 B7 Stud Bolt Alloy Steel Threaded Rod Oil Gas

Reliable DIN557 SS304 Stainless Steel Square Head Nut Black Oxide for Bridge Projects Manufacturer

Carbon Steel /Stainless Steel Zinc Plated Screw Bolts Square Neck Carriage Bolt Mushroom Bolts for Construction Timber Framing

8.8 DIN6921, Ifi111, JIS1189 Carbon Steel Hex Flange Bolt for General Machinery Assembly Mtr Report Hex Cap Screw Bolts with Plain Black Coating

High Strength ASTM A193 B7 Flange Double End Stud Bolts in Full Thread Rod for Gas&Oil Industry

High-Strength Carbon Steel 1/4-20 Inches DIN6923 Hex Serrated Flange Nuts Fasteners with Hot-DIP/Electro-Galvanized Finish for Anti-Loosening

Product groups (20)

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ASTM A194 2h Tuerca 3/8"Carbon Steel Heavy Hex Nut HDG for Photovoltaic Solar Panel Fastener Manufacturer with in-House Lab