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High Strength Customized Flat Round Head Welding Bolt Screws

Updated 2026-11-04 · Markdown version

US$0.10 – 0.11 / piece

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

Material: Carbon Steel, Alloy Steel or Custom
Grade: 8.8
Finish: True Colors

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	Carbon Steel, Alloy Steel or Custom
Grade	8.8
Finish	True Colors
Product Name	Weld Bolte
Service	OEM/ODM
Quality	High Quality
Delivery Time	30 Days
Transport Package	Customizable
Specification	M8*30
Origin	Wenzhou, Zhejiang Province
HS Code	731819000
Production Capacity	500000
Specifications	M8*30
Category	Structural & Heavy Hex Bolts

Technical parameters

Product Name	weld bolte
Material	Carbon steel, alloy steel, customization
Surface Treatment	true colors
Specifications:	M8*30

Description

High Strength Customized Flat Round Head Welding Bolt Screws is part of our structural & heavy hex bolts range (Bolts).

Key details

Material: Carbon Steel, Alloy Steel or Custom
Grade: 8.8
Finish: True Colors
Product Name: Weld Bolte
Service: OEM/ODM
Quality: High Quality

Available configurations include material, grade and finish. 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$0.10 – 0.11 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 High Strength Customized Flat Round Head Welding Bolt Screws?

The listed minimum order is 50,000 pieces, at US$0.10 – 0.11 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 High Strength Customized Flat Round Head Welding Bolt Screws?

Material: Carbon Steel, Alloy Steel or Custom; Grade: 8.8; Finish: True Colors; Product Name: Weld Bolte; Service: OEM/ODM; Quality: High Quality. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, grade and finish. 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 structural & heavy hex bolts are available?

The Structural & Heavy Hex Bolts category lists 2,565 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/structural-heavy-hex-bolts/

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$0.10 – 0.11MOQ 50,000 piecesGet a quote WA