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Bolts › Eye Bolts & Lifting Eye Fasteners

Premium CNC Machined Ring Bolts and Nuts for Heavy-Duty Applications

Updated 2026-11-03 · Markdown version

Model no. Customized according to customer needs

US$0.06 – 12.00 / piece

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

Material: According to Customer Needs
Heat Treatment: According to Customer Needs
Surface Treatment: According to Customer Needs
Forging Tolerance: According to Customer Needs
Standard: According to Customer Needs
Whether to Customize: Non-Standard Customization

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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
Processing Object	Metal
Molding Style	It Is Widely Used in Many Fields
Model NO.	Customized according to customer needs
Molding Technics	It Is Widely Used in Many Fields
Application	According to Customer Needs
Material	According to Customer Needs
Heat Treatment	According to Customer Needs
Surface Treatment	According to Customer Needs
Forging Tolerance	According to Customer Needs
Standard	According to Customer Needs
Certification	CE, RoHS, ISO 9001:2000, ISO 9001:2008
Processing Technology.	Selection by Product
Product Quality.	Excellent Quality
Monthly Production.	1000000
Whether to Customize.	Non-Standard Customization
Transport Package	According to Customer Needs
Specification	Various specifications
Origin	Wenzhou City, Zhejiang Province, China
Category	Eye Bolts & Lifting Eye Fasteners

Technical parameters

D2 tool steel,A36 1008 ,Alloy42
Service	CNC Machining/Turning and Milling/CNC Turning/OEM Parts/ cast/cold upsetting/forge/stamp
Metal	Aluminum	Aluminum 2024 Aluminum 5052 Aluminum 6061-T6 Aluminum 6063-T6 Aluminum 7075
Stainlesss steel	SUS303,SUS304,SS316,SS316L
steel	12L14 4140 1018 1045 12L14 4130 4142 ,O1 tool steel
Titanium	Grades 1-4 Grade 5 Grade 9
Brass	260, C360,H59,H60,H62,H63,H65,H68,H70

Finish Result
As Machined	Sharp edge and burrs will be removed
Bead Blast	The part surface is left with a smooth, matte appearance
Anodized	Type II creates a corrosion-resistant finish. Parts can be anodized in different colors-clear, black, red, and gold are mostcommon-and is usually associated with aluminum.
Type III is thicker and creates a wear-resistant layer in addition to the corrosion resistance seen with Type II.
electroplating chromium	electrophoresis, QPQ(Quench-Polish-Quench)
Electro Polishing	Chrome Plating, Knurl, Laser etch Logo, etc.
Drawing format	STEP,STP,GIS,CAD,PDF,DWG,DXF etc or samples.
Tolerance	+/-0.005mm

Description

Premium CNC Machined Ring Bolts and Nuts for Heavy-Duty Applications is part of our eye bolts & lifting eye fasteners range (Bolts).

Key details

Standard: According to Customer Needs
Material: According to Customer Needs
Surface Treatment: According to Customer Needs
Application: According to Customer Needs
Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
Processing Object: Metal
Molding Style: It Is Widely Used in Many Fields
Molding Technics: It Is Widely Used in Many Fields

Available configurations include material, heat treatment, surface treatment, forging tolerance and standard. 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$0.06 – 12.00 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 Premium CNC Machined Ring Bolts and Nuts for Heavy-Duty Applications?

The listed minimum order is 1,000 pieces, at US$0.06 – 12.00 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 Premium CNC Machined Ring Bolts and Nuts for Heavy-Duty Applications?

Standard: According to Customer Needs; Material: According to Customer Needs; Surface Treatment: According to Customer Needs; Application: According to Customer Needs; Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008; Processing Object: Metal. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, heat treatment, surface treatment, forging tolerance and standard. 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 eye bolts & lifting eye fasteners are available?

The Eye Bolts & Lifting Eye Fasteners category lists 3,138 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/eye-bolts-lifting-eye-fasteners/

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$0.06 – 12.00MOQ 1,000 piecesGet a quote WA