What materials are available for these screws?

Materials include Carbon Steel (grades 4.6-12.9), Stainless Steel (SS201-316), Brass, Bronze, Iron, and Aluminum.

What surface treatments can be applied?

Options include Black Oxide, Zinc-Plating, HDG, Passivation, Chrome-Plating, and others as per customer request.

Can I get custom sizes or specifications?

Yes, we support OEM services. Sizes range from M4 to M24, and we can customize based on your drawings or samples.

What is the typical delivery time?

The lead time is generally 3-20 days. During peak season, it may take up to one month.

Are free samples available?

Yes, free samples are provided for evaluation purposes.

What quality certifications do you have?

We are ISO9001:2008 certified and perform strict quality control inspections throughout the production process.

What are the payment terms?

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

Black Oxide Countersunk Machine Screw, Countersunk Socket Head Screw

Jiaxing Goshen Hardware Co., Ltd.

15 yrs

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Product Highlights

Wide Size Range: Available in sizes from M4 to M24 to meet various application needs.
Multiple Surface Options: Offer Black Oxide, Zinc-Plating, HDG, and other finishes for corrosion resistance.
High Strength Grades: Available in grades 4.6 to 12.9, ensuring durability and load capacity.
OEM Customization: Supports custom designs, logos, and specifications based on customer drawings.
Fast Delivery: Lead time is 3-20 days, with peak season delivery within one month.
Quality Assurance: ISO9001:2008 certified with strict QC inspection at every production stage.
Free Samples: Free samples are provided to help customers evaluate quality before ordering.
Competitive Pricing: Offers high-quality products at competitive prices with best service.

Product Attributes

Customization: Available
Material: Carbon Steel
Type: Countersunk Head
Model NO.: M4-M24
Groove: Hex Socket
Connection: Common Bolt
Head Style: Counter Sunk Bolt
Standard: DIN
Grade: 8.8
Size: M4-M24
Sample: Free
Name: Countersunk Socket Head Screw
Surface: Black Oxide, Zinc-Plating, HDG
Delivery Time: 3-20days
Brand Name: Goshen
Transport Package: Carton + Pallet
Specification: ASTM, DIN, ANSI, ISO etc.
Trademark: GOSHEN
Origin: China
HS Code: 7318151001
Production Capacity: 20tons/Week

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Black Oxide Countersunk Machine Screw, Countersunk Socket Head Screw
Black Oxide Countersunk Machine Screw, Countersunk Socket Head Screw
Black Oxide Countersunk Machine Screw, Countersunk Socket Head Screw
Black Oxide Countersunk Machine Screw, Countersunk Socket Head Screw
Black Oxide Countersunk Machine Screw, Countersunk Socket Head Screw
Black Oxide Countersunk Machine Screw, Countersunk Socket Head Screw

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Black Oxide Countersunk Machine Screw, Countersunk Socket Head Screw
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Product Description

Countersunk screw, Countersunk screw, Countersunk screw, Hex Socket Countersunk Screw, Countersunk Machine Screw, Hex Socket Countersunk Head Screw DIN7991
1. Material of Countersunk screw, Carbon steel (4.6, 4.8, 5.6, 6.8, 8.8, 10.8, 10.9, 12.9)
2. Surface of Countersunk screw: Finish Passivation, Chromium-Plating, Black Oxide, Zinc-Plating, HDG
3. Size of Countersunk screw: M4-M24
4. Mechanical properties: 4.6, 4.8, 5.6, 6.8, 8.8, 10.8, 10.9, 12.9
5. Packing: Bulk packing and box packing and according to customer's requested then in pallet.

We are promise Countersunk screw,
1. Hight quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5 Customer's Design and Logo are Welcome

Give us a call or send us an e-mail with your request for quote or stock checks today.

OEM service

Materials Available	1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
	2. Steel:C45(K1045), C46(K1046),C20
	3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
	4. Bronze: C51000, C52100, C54400, etc
	5. Iron: 1213, 12L14,1215
	6. Aluminum: Al6061, Al6063
	7.OEM according to your request
Products Available	bolts, screws, nuts, rivets, stem nuts, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing, push-button, etc.
Surface Finish	annealing, natural anodization, heat treatment, polishing, nickel plating, chrome plating, yellow passivation, gold passivation, galvanizing, satin, etc.
Processing Method	cnc machining, turning, milling, drilling, grinding, broaching, welding and assembly
QC (inspection everywhere ):	Technicians self-check in production
Size	customized
Tolerance	±0.01mm
offset distance	±0.02mm
Package	As per customized specifications
Certificate	ISO9001:2008
Description	High-quality, rich manufacturing experience
Lead Time	3-20days
website	goshenhardware.en.made-in-china.com

Black Oxide Countersunk Machine Screw, Countersunk Socket Head Screw

About us:
Jiaxing Goshen Hardware Co Limited,established in China Mainland with 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.

Mainly Product;
BOLT : din933, din931, din419, din558, din7990, din6922, ASME/ANSI B 18.2.1 , ASME/ANSI B 18.2.3.1M,GB, BSW, ISO Hex bolt , carriage bolt, heavy hex bolt, flange head bolt, achor bolt ect
Rod : threaded rod din976, threaded bar din975 stud bolt, B7 stud bolt ect
Nut : din934, hex heavy hex nut, 2H nut, din555, flange bolt, cap nut, nylon nut, ect
Screw :hex screw, self drilling screw, self tapping screw, drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect
washer :flat washer, spring washer, lock washer,square washer,spring lock washer, plain washer ect

Customized:
If you have drawing or samples, we can as your requirment to product. Welcome to your early reply.

Promise:
1. Hight quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Best service

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 available for these screws?: Materials include Carbon Steel (grades 4.6-12.9), Stainless Steel (SS201-316), Brass, Bronze, Iron, and Aluminum.
What surface treatments can be applied?: Options include Black Oxide, Zinc-Plating, HDG, Passivation, Chrome-Plating, and others as per customer request.
Can I get custom sizes or specifications?: Yes, we support OEM services. Sizes range from M4 to M24, and we can customize based on your drawings or samples.
What is the typical delivery time?: The lead time is generally 3-20 days. During peak season, it may take up to one month.
Are free samples available?: Yes, free samples are provided for evaluation purposes.
What quality certifications do you have?: We are ISO9001:2008 certified and perform strict quality control inspections throughout the production process.
What are the payment terms?: We accept LC, T/T, PayPal, Western Union, and Money Gram.