What are your payment terms?

Small orders: 100% T/T in advance. Large orders: 30% T/T deposit, 70% balance before shipment. Other methods like LC, D/P, PayPal are also accepted.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 5000 Pcs.

What materials are available for these nuts?

We offer 304 Stainless Steel, 316 Stainless Steel, Carbon Steel, Brass, and Aluminum, each with specific advantages like corrosion resistance or high strength.

Black K Lock Nuts Hex Serrated Flange K Nut External Tooth Locking Nuts

Name: Black K Lock Nuts Hex Serrated Flange K Nut External Tooth Locking Nuts
Brand: Dongguan Lianmeng Metal Technology Co.,Ltd
SKU: 2317808065

Guangdong, ChinaDongguan Lianmeng Metal Technology Co.,Ltd

US$0.01-2.00

100 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

M3/M4/M5/M6/M8/M10/M12

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN

Grade

Transport Package

Cartons&Pallets or According to Customer's Require

Specification

M3/M4/M5/M6/M8/M10/M12

Trademark

Lianmeng

Origin

Guangdong

Key features

Multiple Material Options: Available in 304/316 Stainless Steel, Carbon Steel, Brass, and Aluminum.

High Corrosion Resistance: 316 Stainless Steel offers high corrosion resistance for marine and chemical use.

OEM/ODM Customization: Supports full customization from samples, designs, and flexible minor adjustments.

Free Sample Policy: Free samples for standard products (up to 10 pcs); custom sample fee refundable.

Global Shipping & Delivery: Tracked global shipping with 5-15 day lead times and free shipping on eligible orders.

Strict Quality Control: 100% inspection of finished products with full raw material traceability.

Direct Factory Source: Professional manufacturer with independent R&D, production, and QC teams.

Flexible Payment Terms: Accepts T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Dongguan Lianmeng Metal Technology Co.,Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤0.81h

About Our Factory & Business Background

AddressRoom 410, Building 1, No. 2, Xinbao 3rd Street, Dalang Town, Dongguan, Guangdong, China

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

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

Minimum Order Quantity5000 Pcs

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsStandoffs, Nuts, Screws, CNC Parts

Production MachinesAutomatic Lathe, Automatic Tapping Machine, Automatic Processing Machine, CNC, CCD

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

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

Number of Foreign Trading Staff2

Overseas Agent/BranchNo

Product Q&A

Q:Why choose your company?

Founded in 2016, we are a professional fastener manufacturer with over 10 years of experience, offering strict quality control, competitive pricing, and reliable after-sales service.

Q:What are your main products?

We produce CNC machined parts, standard and customized nuts, screws (self-tapping, self-drilling, drywall, wood), bolts, washers, and other fastener products.

Q:Are you a manufacturer or trading company?

We are a direct manufacturing factory with independent production lines, R&D, and quality control teams, supporting OEM/ODM services.

Q:What is the delivery time?

For conventional products, lead time is 7-15 working days. For customized CNC parts or large orders, delivery time is confirmed based on the production schedule.

Q:Do you provide free samples?

Yes, we provide free samples for most standard products (up to 10 pieces). Customized samples may have a small fee, which is refundable upon placing a bulk order.