What is your quality assurance process?

We perform 100% QC steps inspection before shipment and conduct durability testing to ensure product lifetime.

What are the payment terms?

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

What standards do your products comply with?

Our products comply with DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB, and GOST standards.

Stock DIN7991 Stainless Steel Hex Socket Countersunk Head Machine Screw

Name: Stock DIN7991 Stainless Steel Hex Socket Countersunk Head Machine Screw
Brand: Jiaxing Haina Fastener Co., Limited
SKU: 781047665

Zhejiang, ChinaJiaxing Haina Fastener Co., Limited

US$0.35

1,000-9,999 Pieces

US$0.12

10,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

M4-M24

Groove

Hexagon

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

Ss304

Available Material

Stainless Steel

Head Type

Hexagon Socket Countersunk Head

International Standard

DIN,ANSI,GB,JIS,Bsw,GOST

Class/Grade

A2-70, A4-70

Used

Machinery, Building

Surface Finishing

Plain

Certification

ISO9001

Supply Capacity

500tons/Month

Manufacture Processing

Cold Forging

Inspection

100%QC Steps Inspect Before Shipment

Transport Package

20-25kg/Carton+900kg Pallet

Specification

M4-M24

Trademark

Origin

China

HS Code

731815

Production Capacity

500tons/Month

Key features

Wide Material Selection: Available in Stainless Steel (SS201-SS904L) and Carbon Steel (1010, 1022).

Multiple Surface Finishes: Options include Zinc Plating, HDG, Black Oxide, Anodization, and Nickel Plating.

Strict Quality Control: 100% QC inspection steps performed before shipment to ensure durability.

Customization Service: Customized services available based on customer samples and drawings.

Fast Delivery Options: Stock items available; Custom lead time is 10-25 days depending on season.

Professional Manufacturer: 20 years experience in designing and manufacturing fasteners per buyer specs.

Competitive Pricing: Factory direct supply ensures cost-effective prices for bulk orders.

Global Standards Compliance: Products meet DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB, and GOST standards.

Company profile

Years of Export ExperiencePatents AwardedFast DeliveryManagement Certification

Jiaxing Haina Fastener Co., Limited

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2012-10-05Nearest Port: Shanghai, NingboAverage Response Time: ≤6.67hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

About Our Factory & Business Background

Address1-405 No. 1888 Canaan Plaza Zuili Road, Nanhu District, Jiaxing, Zhejiang, China

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

Our Production Capability & Technical Expertise

Main ProductsBolts, Nuts, Screws, Washer, Roof Hook, Steel Channel, Aluminum Accessories, Ground Screw, Threaded Rod &Stud Bolts

Our Industry Experience & Global Business Record

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

Product Q&A

Q:What materials are available for these screws?

We offer Stainless Steel (SS201, SS303, SS304, SS316, SS316L, SS904L) and Carbon Steel (1010, 1022).

Q:Can I get custom fasteners based on my drawings?

Yes, we provide customized services according to the samples and drawings offered by customers.

Q:What is the lead time for custom orders?

Lead time is 15-25 days during busy season and 10-15 days during slack season.

Q:Do you provide free samples for standard fasteners?

Yes, we offer free samples for standard fasteners. Please contact us for more details.

Q:What surface finishing options are available?

Options include Zinc (Yellow, White, Blue, Black), Hot Dip Galvanized, Phosphorization, Black Oxide, Geomet, Dacroment, Anodization, Nickel Plated, and Zinc-Nickel Plated.