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Nuts › Flange Nuts

Custom Black Carbon Steel Hexagon Flange Nut Serrated Slip Locking Nut

Updated 2026-11-04 · Markdown version

Model no. Nut

US$7.201,000–1,999 pieces

US$6.002,000–2,999 pieces

US$4.803,000+ pieces

MOQ 1,000 pieces · Final price confirmed in your quote

Material: High Strength Steel
Head Style: Square
Standard: DIN, ANSI, GB
Grade: 9.8
Packing: Cartons
Color: Silver
Package Size: 20.00cm * 30.00cm * 40.00cm

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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

Customization	Available
Material	High Strength Steel
Type	Square Head
Model NO.	Nut
Connection	Hinged Bolts
Head Style	Square
Standard	DIN, ANSI, GB
Grade	9.8
Cbm	0.6
Packing	Cartons
Trade Term	Fob
Color	Silver
OEM	Accepted
ODM	Accepted
Transport	Sea
Sea Transport	Yes
Payment	L/C
Shipping Port	Ningbo,China
Original	Ningbo,China
MOQ	10PCS
Shipping Mark	at The Buyer's Option
Delivery Time	25-30 Days for Production Order
Transport Package	Packing
Specification	steel
Origin	Ningbo, China
HS Code	8479909090
Production Capacity	1000000piece/Years
Package Size	20.00cm * 30.00cm * 40.00cm
Package Gross Weight	70.000kg
Business Scope and Production Capacity	The company is specialized in the production of precision cast steel parts and aluminum and copper non-ferrous alloy castings. It employs various manufacturing processes including sand casting, investment casting, gravity casting, and pressure casting.
Category	Flange Nuts

Technical parameters

material	Cast iron, gray iron, ductile iron, steel, manganese steel, high chrome, high nickel, stainless steel, brass, copper, aluminum, zinc etc.
Casting process	sand casting,V-Process Casting,Vacuum Casting, Ni-Hard Casting, Chromium Casting, Galvanized, High Chrome Casting, High Nickel Casting, Lost Foam Casting, Vacuum Casting
machine	lathe, CNC, drilling machine, milling machine, boring machine, planting machine, machining center etc
surface treatment	powder coating, painting, spraying, galvanize
Inspection equipment	Profile projector, Rockwell hardness tester, Vickers hardness tester roughness tester, air gage, concentricity tester, universal microscope, CMM, digital caliper and etc.
products	hammer, liner, jaw plate, bearing, Roller, Concave

Description

Custom Black Carbon Steel Hexagon Flange Nut Serrated Slip Locking Nut is part of our flange nuts range (Nuts).

Key details

Type: Square Head
Standard: DIN, ANSI, GB
Material: High Strength Steel
Grade: 9.8
Head Style: Square
Connection: Hinged Bolts
Cbm: 0.6
Packing: Cartons

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$4.80 – 7.20 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 Custom Black Carbon Steel Hexagon Flange Nut Serrated Slip Locking Nut?

The listed minimum order is 1,000 pieces, at US$4.80 – 7.20 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$7.20 for 1,000–1,999 pieces; US$6.00 for 2,000–2,999 pieces; US$4.80 for 3,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Custom Black Carbon Steel Hexagon Flange Nut Serrated Slip Locking Nut?

Type: Square Head; Standard: DIN, ANSI, GB; Material: High Strength Steel; Grade: 9.8; Head Style: Square; Connection: Hinged Bolts. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and packing. 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 →

Request a quote for this product

US$4.80 – 7.20MOQ 1,000 piecesGet a quote WA