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Bolts › Hex-Head Bolts

Mushroom Head Roofing Bolt with Square Nut and Hex Nut

Updated 2026-11-04 · Markdown version

Model no. Mushroom Head Roofing Bolt with Square Nut

US$0.0084 – 0.16 / piece

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

Material: Carbon Steel
Head Style: Mushroom Head
Standard: DIN, ISO
Grade: 4.8, 5.8, 6.8, 8.8, 10.9(Carbon Steel)
Finish: Self Color, Zinc Plated, HDG, Zinc Flake
Packag Color: Customizable
Thread Standard: Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine
Custom Order: Customization by Drawing/Sample

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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	Carbon Steel
Type	Mushroom Head Bolt with Square/Hex Nut
Model NO.	Mushroom Head Roofing Bolt with Square Nut
Connection	Common Bolt
Head Style	Mushroom Head
Standard	DIN, ISO
Grade	4.8, 5.8, 6.8, 8.8, 10.9(Carbon Steel)
Application	Machinery, Chemical Industry, Building
Finish	Self Color, Zinc Plated, HDG, Zinc Flake
Delivery	5-15 Days
Certification	DIN 603 C/W Hex Nuts DIN 934
Packag Color	Customizable
Thread Standard	Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine
Custom Order	Customization by Drawing/Sample
ODM/OEM	Available
Service	Custom-Made Service
Size Standard	Metric/Inch
Material Test Certificate	Have
Sample	Samples in Stock Are Free with Freight Collect
Price Terms	Fob/CFR/CIF/DDP/DAP
Color	Silver
Quality Control	100% Quality Inspection
Application2	Connection, Fastening
Transport Package	Bulk Pack Small Boxed
Specification	M6-M24
Origin	China
HS Code	731816
Production Capacity	10000ton/Year
Package Size	25.00cm * 25.00cm * 19.00cm
Package Gross Weight	25.000kg
Our Commitment	Strict quality control system
Best Competitive Advantages	• British-owned, Qingdao-based —
Category	Hex-Head Bolts

Technical parameters

Model NO.	Mushroom Head Roofing Bolts with Square Nuts
Standard	to drawing
Size	M10 - M260
Grade	4.8
Material	Carbon Steel
Finish	BZP
Packaging	Bulk Pack,Small Boxed

Description

Mushroom Head Roofing Bolt with Square Nut and Hex Nut is part of our hex-head bolts range (Bolts).

Key details

Type: Mushroom Head Bolt with Square/Hex Nut
Standard: DIN, ISO
Material: Carbon Steel
Grade: 4.8, 5.8, 6.8, 8.8, 10.9(Carbon Steel)
Head Style: Mushroom Head
Finish: Self Color, Zinc Plated, HDG, Zinc Flake
Connection: Common Bolt
Application: Machinery, Chemical Industry, Building

Available configurations include material, head style, standard, grade and finish. 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$0.0084 – 0.16 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 Mushroom Head Roofing Bolt with Square Nut and Hex Nut?

The listed minimum order is 1,000 pieces, at US$0.0084 – 0.16 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 Mushroom Head Roofing Bolt with Square Nut and Hex Nut?

Type: Mushroom Head Bolt with Square/Hex Nut; Standard: DIN, ISO; Material: Carbon Steel; Grade: 4.8, 5.8, 6.8, 8.8, 10.9(Carbon Steel); Head Style: Mushroom Head; Finish: Self Color, Zinc Plated, HDG, Zinc Flake. 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 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 hex-head bolts are available?

The Hex-Head Bolts category lists 8,449 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/hex-head-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 →

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US$0.0084 – 0.16MOQ 1,000 piecesGet a quote WA