What materials are used for these bolts?

The bolts are made of Carbon Steel, available in grades 4.8, 8.8, 10.9, and 12.9.

Can the size and thread be customized?

Yes, we offer non-standard sizes from M5 to M20 and can customize threads according to drawings or samples.

What surface treatments are available?

We provide Zinc Plated (ZP), Hot Dipped Galvanized (HDG), and Black Oxide finishes for anti-rust performance.

What is the lead time for delivery?

Standard delivery takes 7-25 days. During off-season, lead time is within 15 workdays.

Are samples available for testing?

Yes, free samples are provided for customers to check quality before placing an order.

What certifications do the products have?

Our products are certified by ISO, RoHS, SGS, and TUV.

What payment terms are accepted?

We accept T/T, L/C, PayPal, Western Union, and Money Gram.

What industries can these bolts be used in?

They are widely used in machinery, chemical industry, building, shipbuilding, railway, and infrastructure projects.

Heavy-Duty Round M12 Carriage Bolt with Mushroom Head

Jiaxing Goshen Hardware Co., Ltd.

15 yrs

5.0 (1 Review)

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Product Highlights

Wide Size Range: Available in M5-M20 sizes, with non-standard dimensions customizable upon request.
Multiple Surface Finishes: Options include Zinc Plated, Hot Dipped Galvanized, and Black Oxide for corrosion resistance.
High Grade Options: Available in Grade 4.8, 8.8, 10.9, and 12.9 to meet various strength requirements.
Free Sample Provision: Customers can request free samples to verify quality before placing bulk orders.
Multi-Standard Compliance: Meets DIN, ANSI, GB, JIS, BSW, and GOST standards, with OEM support available.
Broad Industrial Application: Suitable for machinery, chemical industry, construction, shipbuilding, and infrastructure.
Fast Delivery Time: Standard delivery within 7-25 days, with off-season lead time under 15 workdays.
Certified Quality: Products certified by ISO, RoHS, SGS, and TUV ensuring high quality and safety.

Product Attributes

Customization: Available
Material: Carbon Steel
Type: Round Head
Model NO.: M5-M20
Connection: Common Bolt
Head Style: Round
Standard: DIN, ANSI, GB, JIS, BSW, GOST, Customize
Grade: 8.8
Application: Machinery, Chemical Industry, Environmental, Building
Finish: Color-Zinc Plated
Size: M5-M20,Non Standard
Thread: Full Thread
Surface: Zp,HDG,Black Oxide
Name: Carbon Steel DIN603 Mushroom Head Square Neck Bolt
Delivery Time: 7-25 Days
Certification: ISO, RoHS, SGS, TUV
Sample: Free
Transport Package: Bulk in Master Cartons, Then on Pallets
Specification: M5-M20
Trademark: GS
Origin: Zhejiangjiaxing
HS Code: 7318159090
Production Capacity: 100ton/Week

Heavy-Duty Round M12 Carriage Bolt with Mushroom Head

Heavy-Duty Round M12 Carriage Bolt with Mushroom Head pictures & photos — Heavy-Duty Round M12 Carriage Bolt with Mushroom Head

Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head

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Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head
Heavy-Duty Round M12 Carriage Bolt with Mushroom Head

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Product Description

Carbon Steel DIN603 Mushroom Head Square Neck Bolt Zinc Plated Carriage Bolt

1. Material:Carbon Steel.
2. Grade: Gr4.8, Gr8.8, Gr10.9,Gr12.9,
3. Size: M5-M20,
4. Standard: DIN603.
5. Steel:Carbon Steel

Name	Carbon Steel DIN603 Mushroom Head Square Neck Bolt Zinc Plated Carriage Bolt
Place of Origin	Jiaxing, Zhejiang, China
Size	M5-M20 or non-standard as request&design
Finish	ZP,HDG,Balck Oxide,etc
Head Type	Hexagon Socket Head
Material	Carbon steel
Grade	GR4.8, GR8.8, GR10.9,GR12.9.etc
Standard	GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc
Non-standards	OEM is available, according to drawing or samples
Samples	Samples are free.
Package	Bulk in master cartons, then on pallets, or according to customers' requirement.
Payment	T/T,L/C

Mainly Product:

BOLT : DIN603 Carriage bolt,DIN933, DIN931, DIN912,DIN603,DIN7985,DIN7991,DIN6921, ASME/ANSI B 18.2.1ASME/ANSIB18.2.3.1M,GB, BSW, ISO Hex bolt , heavy hex bolt, flange head bolt, achor bolt ect
Nut : DIN934,DIN6923,DIN985,ISO4032 hex heavy hex nut, 2H nut,A563/A563M cap nut, nylon nut, ect
Rod : threaded rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect
Screw :DIN912,hex screw; self drilling screw, DIN7504; self tapping screw,DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect
washer :flat washer DIN125, spring washer DIN127, lock washer,square washer,spring lock washer, plain washer ect

DIN603 products are widely used in ports, electricity, steel, shipbuilding, petrochemical, mining, railway, building, metallurgy, chemical industry, automobile manufacturing, plastics machinery, industrial control, highway, bulk transportation, pipe linings, tunnel, shaft protective slope, salvage, Marine engineering, airport construction, Bridges, aviation, spaceflight, venues and other important industries and infrastructure Process of mechanical equipment and etc.It has excellent anti-rust performance, good quality, good packaging, good service is our customer service three purposes. Heavy-Duty Round M12 Carriage Bolt with Mushroom Head

About the Supplier

This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR233362". Items marked "" are certified.

Company Profile

Jiaxing Goshen Hardware Co., Ltd, established in China Mainland with the the high -quality strategy and marketing philosophy inherited from the holding company in the willing to supply better service for the domestic and overseas client. We are keeping moving with the motto: Foundation based on quality, Development founded in repuitation; Keeping innovation, Keeping progress. Our company has passed the ISO9001-2008, SGS, RoHS certification and along with the precision cold forged machine, thread roliing machine, stamping machine, CNC machine, thread tapping machine, Tail-milling machine, slotting machine & anvanced inspecting machine, we have the perfect managing system, high quality&efficient engineer and saler team for satisfying each client.

Our main products include: Bolts, nuts, screws, threaded rods, self-tapping screws, semi-round head screws, J-type bolts, hub bolts, axle bolts, titanium alloy screws, welding screws, anti-theft screws, washers, rivet nuts, bearings, stamped parts, CNC parts, threaded parts, especially those non-standard fasteners that have a good reputation in research and production. Our non-standard customization capabilities utilize advanced CNC turning, milling and cold forging technologies to transform your unique designs into high-precision components, covering various complex geometries and specific material specifications. We have ISO 9001 and IATF 16949 certifications, and serve numerous industries, including oil and gas, marine engineering, renewable energy, medical equipment and precision instruments. All of our products comply with ANSI, DIN, UNI, JIS, ISO GB standards, and are widely used in aerospace, automotive, machinery, energy, electronics, medical equipment, military, metallurgy, roads, bridges, public facilities, etc. Our complete manufacturing facilities enable us to provide a range of services, covering from rapid prototyping, small batch production to large-scale manufacturing, and the ability to achieve complete material traceability, size inspection reports, and flexible logistics solutions including FOB, CIF and DDP. Whether you need ready-made standard fasteners or custom engineering components, we can provide end-to-end technical support - from design for manufacturability (DFM) consultation to final quality verification - to ensure that your project can obtain hardware solutions that meet strict specifications, have a competitive delivery cycle and maintain consistent quality standards.

About Our Factory & Business Background

Address: 1-402 Intelligence Innovation Park, No36 Changsheng Road, Jiaxing, Zhejiang, China
Terms of Payment: LC, T/T, PayPal, Western Union, Money Gram
International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
Average Lead Time: Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Nearest Port: Shanghai, Ningbo, Tianjin

Our Production Capability & Technical Expertise

Main Products: Fasteners, Bolts, Nuts, Screws, Stainless Steel Screw, Threaded Rod, Stainless Steel Bolt, Customized Bolt, Washer, Carriage Bolt

Our Industry Experience & Global Business Record

Export Year: 2010-10-10
Main Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

FAQ

What materials are used for these bolts?: The bolts are made of Carbon Steel, available in grades 4.8, 8.8, 10.9, and 12.9.
Can the size and thread be customized?: Yes, we offer non-standard sizes from M5 to M20 and can customize threads according to drawings or samples.
What surface treatments are available?: We provide Zinc Plated (ZP), Hot Dipped Galvanized (HDG), and Black Oxide finishes for anti-rust performance.
What is the lead time for delivery?: Standard delivery takes 7-25 days. During off-season, lead time is within 15 workdays.
Are samples available for testing?: Yes, free samples are provided for customers to check quality before placing an order.
What certifications do the products have?: Our products are certified by ISO, RoHS, SGS, and TUV.
What payment terms are accepted?: We accept T/T, L/C, PayPal, Western Union, and Money Gram.
What industries can these bolts be used in?: They are widely used in machinery, chemical industry, building, shipbuilding, railway, and infrastructure projects.