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Nuts › Flange Nuts

Hard Okl-002 Hex Locking Flange Nut for Power Plants

Updated 2026-11-04 · Markdown version

Model no. OKL-002

US$0.006 – 6.00 / piece

MOQ 50,000 pieces · Final price confirmed in your quote

Head Style: Flat Head
Standard: DIN, ANSI, GB, JIS
Grade: 4.8
Size: M3 - M20 / Custom
Surface Treatment: Zinc Plated (Carbon Steel) / Polished (Stainless S
Thread Type: Standard Metric
Grade / Class: Class 8, 10, 12 (Metric)
Package Size: 28.00cm * 18.00cm * 14.00cm

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Model NO.	OKL-002
Head Style	Flat Head
Standard	DIN, ANSI, GB, JIS
Grade	4.8
Product Name	High Precision Hex Flange Nuts
Keywords	Flange Nuts
Size	M3 - M20 / Custom
Surface Treatment	Zinc Plated (Carbon Steel) / Polished (Stainless S
Thread Type	Standard Metric
Grade / Class	Class 8, 10, 12 (Metric)
Features	Integrated Flange Base, Anti-Vibration
Applications	Heavy Industry, Mining, Construction
Compliance	DIN 6923 / ISO 4161 Standard
Transport Package	Standard Packaging or Customized
Specification	Standard Specifications or Customized
Origin	Zhejiang, China
HS Code	7318140000
Production Capacity	60000000PCS/Year
Package Size	28.00cm * 18.00cm * 14.00cm
Package Gross Weight	20.000kg
Customization	Available
Material	Carbon Steel / Stainless Steel
Type	Hexagon Head
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Category	Flange Nuts

Technical parameters

TECHNICAL PARAMETERS
Product Name	High Precision Hex Flange Nuts
Keywords	Flange Nuts
Material	Carbon Steel / Stainless Steel
Size	M3 - M20 / Custom
Thread Type	Standard Metric
Surface Treatment	Zinc Plated (Carbon Steel) / Polished (Stainless Steel)
Grade / Class	Class 8, 10, 12 (Metric)
Features	Integrated Flange Base, Anti-Vibration, High Torque
Applications	Heavy Industry, Mining, Construction, General Machinery
Compliance	DIN 6923 / ISO 4161 Standard

Description

Hard Okl-002 Hex Locking Flange Nut for Power Plants is part of our flange nuts range (Nuts).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS
Material: Carbon Steel / Stainless Steel
Grade: 4.8
Size: M3 – M20 / Custom
Head Style: Flat Head
Surface Treatment: Zinc Plated (Carbon Steel) / Polished (Stainless S
Product Name: High Precision Hex Flange Nuts

Available configurations include head style, standard, grade, size and surface treatment. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 50,000 pieces at US$0.006 – 6.00 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Hard Okl-002 Hex Locking Flange Nut for Power Plants?

The listed minimum order is 50,000 pieces, at US$0.006 – 6.00 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Hard Okl-002 Hex Locking Flange Nut for Power Plants?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS; Material: Carbon Steel / Stainless Steel; Grade: 4.8; Size: M3 - M20 / Custom; Head Style: Flat Head. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include head style, standard, grade, size and surface treatment. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other flange nuts are available?

The Flange Nuts category lists 1,193 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/nuts/flange-nuts/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

More about us → · Request a sample or custom quote →

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US$0.006 – 6.00MOQ 50,000 piecesGet a quote WA