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Finexpress Precision Manufacturing (dongguan) Co., Ltd

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City:dongguan

Province/State:guangdong

Country/Region:china

Contact Person:MrsIrene chen

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China Black Zinc Plated Hex Flange Bolt 8.8 Grade M8-M12 DIN 6921 for Engine Brackets wholesale

Black Zinc Plated Hex Flange Bolt 8.8 Grade M8-M12 DIN 6921 for Engine Brackets

Name: Black Zinc Plated Hex Flange Bolt 88 Grade M8M12 DIN 6921 for Engine Brackets
Brand: FINEX
Price: 0.05 USD

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Brand Name :FINEX

Model Number :black 8.8 hex bolt M12

Certification :ISO9001|ISO14001| IATF16949

Place of Origin :Guangdong, China

MOQ :1000 pieces

Price :$0.05/pieces 1000-49999 pieces

Payment Terms :T/T, L/C, D/A, D/P

Supply Ability :500000000 Piece/Pieces per Week

Delivery Time :7~15 working day

Packaging Details :1.1000pcs / plastic bag,20kgs/ carton ,then put on the wood pallet ,
2.Carton size:28cm*18cm*13cm,
3.Wood pallet size:118cm*113cm,Weight:700~800Kg Bulk:0.8 cubic
4.The weight of 20 FT Container:20~25 Tons
5,As your requirements

Material :Stainless steel, Steel

Finish :Zinc Plated

Standard :DIN

MOQ :1 piece in stock, 30,000 pcs customized

Package :Small Packing+Carton Packing+Pallet

Delivery time :In stock 5~7 working days, customized 15~25 working days

Service :OEM ODM Custom Service

Length :1mm~500mm

Certificate :ISO9001:2015, SGS, RoHs

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Black Zinc Plated Hex Flange Bolt – 8.8 Grade M8-M12 DIN 6921 for Engine Brackets

Product Overview

Our Black Zinc Plated Hex Flange Bolt (DIN 6921) is engineered for demanding automotive and industrial applications, offering superior strength, corrosion resistance, and vibration-proof performance. Designed with an integrated flange for even load distribution and a Grade 8.8 carbon steel core, this bolt is ideal for securing engine brackets, mounts, and other critical assemblies exposed to extreme mechanical stress and harsh environments.

Key Features

✅ Grade 8.8 Carbon Steel

High Tensile Strength: 800 MPa tensile strength and 640 MPa yield strength for heavy-duty loads.
Durability: Withstands shocks, vibrations, and thermal cycling in engine compartments.

✅ Hex Flange Design (DIN 6921)

Integrated Washer Function: Eliminates the need for separate washers, reducing assembly time and hardware costs.
Anti-Loosening: Flange distributes clamping force evenly, resisting rotation under dynamic loads.

✅ Black Zinc Plating

Corrosion Resistance: Trivalent zinc-nickel coating protects against rust, humidity, and automotive fluids (oil, coolant).
Sleek Finish: Matte black appearance for OEM-quality aesthetics.

✅ Automotive Compliance

IATF 16949 Certified: Meets automotive industry quality standards for reliability and traceability.
DIN 6921 Compliant: Precision-engineered dimensions for seamless compatibility.

Black Zinc Plated Hex Flange Bolt 8.8 Grade M8-M12 DIN 6921 for Engine Brackets

Specification

More Detail Informations
Available Material	1.Stainless Steel: SS303, SS304, SS316, SS410, SS420; 2.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045; 3.Brass: C3602,C3604,Hpb59,Hpb62,Hpb65,Hpb58,Hpb70 ; 4.Aluminum: Al6061, Al6063 etc or as your requirements
Head type	CSK Head,Pan Head,Truss Head,Hexagon Head,Round Head,Oval Head,Button Head,Cap Head,Cheese Head,etc.
Hardness	Carbon Steel:HRC:28~35 ,HV450~700 Alloy Steel:HRC:32~39(grade10.9) HRC:39~44(grade12.9)
Finish	Zinc plated, Nickel plated, Bronze, Copper,Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Phosphorization,Zinc-nickel alloy plated etc.
Sample Available	The sample is free of charge if we have the existing tooling,you only need to pay for the freight cost
Delivery time	Samples time 3-5 working days, Lead time 20-25 working days
Pricing Term	EXW Dongguan(FCA),FOB, CIF, CNF, DDU,etc.
Packing	Bulk in PE bag or Small boxes.then in carton .pallet
Payment term	TT (30% in advance as deposit, balance before delivery) , L/C, Western Union,PayPal etc
Management system	ISO9001:2015
Certificate	ISO,ROHS

Why Choose Us

Why Choose Us?

✅ OEM/ODM Support: Full custom packaging, branding, and documentation.
✅ Quality Assurance: ISO 9001-certified with full material traceability and testing (salt-spray, torque, tensile).
✅ Flexible MOQs: Prototype batches to large-scale production.
✅ Fast Turnaround: 10–15 days for standard orders; expedited options available.

Company Profile

FAQ

Q1: What is your main products and material supply?
A1: Our main products are Electronic screws,Sems screws,Tapping screws,Chicago screws,Shoulder screws etc. Special Non-standard studs,Turning parts and High-end precision complex CNC Machining parts etc.
A2: Carbon Steel, Alloy Steel, Aluminum alloy,Stainless Steel, Brass, Copper ,Titanium alloy or according to your requirement.

Q2: When can I get the price?
A: We usually offer you a quotation within 12 hours, and the special offer is not more than 24 hours.Any urgent cases, please contact us directly by phone or send email to us.

Q3: What about the transportation and delivery date?
A: If the weight of goods more than 80kg,Normally we use shipment to transprot the orders. It is about 20-30days . If the weight of goods less than 80kg,or there are urgent, we can send the goods via air express,It is 3~5 days.

Q4: What's your packing?What to do in case of damaged goods during transport?
A1: Our Normal packing is bulking in Cartons, less than 20 kgs/carton, 48 cartons / pallet. We also can pack products according to your requirement.
A2: To avoid any subsequent trouble regarding quality issue, we suggest you check the goods once you receive them. If there is any transport damaged or quality issue, don't forget take the detail pictures and contact us as soon as possible, we will properly handle it to make sure your loss to reduce to the smallest.

Q5: Can I get discounts?
A: Yes, for big order, frequent customers, we give reasonable discounts.

Q6: Do you have enough capacity?
A: Our production equipment is a new imported equipment. We have a group of skilled workers who have been working for more than 10 years. Their production experience is very rich and their skills are very skilled. The screws can be 30 million pcs/month. We have sufficient funds to ensure the normal operation of the factory.

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