8.8 Grade Black Oxide DIN 603 Mushroom Head Square Neck Carriage Bolts

Name: 8.8 Grade Black Oxide DIN 603 Mushroom Head Square Neck Carriage Bolts
Brand: Hangzhou Better Fastener Technology Limited
SKU: 1979281491

Zhejiang, ChinaHangzhou Better Fastener Technology Limited

US$0.30

10,000-999,999 Pieces

US$0.03

1,000,000+ Pieces

Sample price:US$0.30/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Mushroom Head

Model NO.

DIN603

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Black

Combination Washer Structure

a Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Testing Standard

ISO 9001

Transport Package

Carton and Pallet

Specification

M3-M60; Customized

Trademark

Better Fastener

Origin

China

HS Code

731815

Production Capacity

500 Tons/Month

Key features

Comprehensive Standard Coverage: Meets DIN, ASTM/ANSI, JIS, EN, ISO, AS, and GB standards for global compliance.

Wide Material Selection: Available in Carbon Steel and Stainless Steel grades including SS304, SS316, and SS904L.

Diverse Surface Treatments: Options include Zinc plating, Hot Dip Galvanized, Black Oxide, and Nickel plating.

Customized Production Capability: Cold forging for M2-M24 and hot forging for M24-M100 with CNC machining available.

OEM and ODM Services: Full OEM/ODM support with customized packing and solutions per customer drawings.

Flexible Delivery Options: Express shipping for samples and sea/air freight for mass production orders.

Free Sample Availability: Free standard and in-stock samples provided, excluding freight costs.

Multi-Industry Application: Suitable for Food, Chemical, Aerospace, Automotive, Construction, and Electronics.

Company profile

In-stock CapacityFast DeliveryQuality Assurance

Hangzhou Better Fastener Technology Limited

Zhejiang, China

CertifiedBusiness Type: Trading CompanyExport Year: 2001-09-01Nearest Port: ShanghaiAverage Response Time: ≤0.84hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, DAT, CIF, FAS, DDP, DAP, CIP, CPT, Others, FCA

About Our Factory & Business Background

AddressRoom 1901, Building 1, Dongtou Chuangzhi Building, Qiantang District, Hangzhou, Zhejiang, China

Plant Area60 square meters

Registered Capital1,000,000 RMB

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsBolts, Nuts, Washers, Fasteners

Our Industry Experience & Global Business Record

Year of Establishment2023-07-13

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:Why is there oil in the product?

There will be a layer of anti-rust oil on the surface of the product, in order to prevent the product from rusting, but it may feel a little dirty during use

Q:How long is your delivery time?

Generally it is 5-10 days if the goods are in stock. Or it is 30-45 days if the goods are not in stock. It's according to quantity.

Q:Do you provide OEM/ ODM service?

Yes, we welcome OEM and ODM absolutely, and we also have strong ability to carry your OEM&ODM orders.

Q:Do you offer sample?

Yes. We could provie samples ( standard & in stock) according to your demand for free charge but we're not responsible for freight cost.

Q:Which industries can your products be applicated?

Our fasteners can be used in many industries, Such as Food/ Chemical/ Pharmaceutical Industries, Aerospace, High-speed Rail, Automotive, Wire Connectors, Engines, Plumbing Fittings, Electronic Equipment, Construction, etc.