Standard & made-to-drawing parts
Checked before shipping
Air, sea & express delivery

Fastener Sets & Assemblies › Assortment Kits & Mixed Fastener Sets

Black Oxide Grade 8.8 Hex Bolt with Double Lock Nut Set

Updated 2026-11-04 · Markdown version

Model no. 001

US$0.36 – 6.00 / piece

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

Material: Carbon Steel
Head Style: Hexagonal
Standard: ANSI, GB
Grade: 8.8
Finish: Hot Galvanizing
Color: Black
Package Size: 40.00cm * 25.00cm * 25.00cm

Get a quote WhatsApp

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	Hexagon Head
Model NO.	001
Connection	Common Bolt
Head Style	Hexagonal
Standard	ANSI, GB
Grade	8.8
Application	Machinery, Chemical Industry, Building
Finish	Hot Galvanizing
Custmoization	Available
Transport	by Sea or Air
Color	Black
Delivery Date	25~40days
Transport Package	Wooden or Pallet
Specification	Hot Galvanizing
Origin	China
HS Code	731815100
Package Size	40.00cm * 25.00cm * 25.00cm
Package Gross Weight	10.000kg
Category	Assortment Kits & Mixed Fastener Sets

Technical parameters

Specification	customization
Origin	China

port

Tianjin

Description

Black Oxide Grade 8.8 Hex Bolt with Double Lock Nut Set is part of our assortment kits & mixed fastener sets range (Fastener Sets & Assemblies).

Key details

Type: Hexagon Head
Standard: ANSI, GB
Material: Carbon Steel
Grade: 8.8
Head Style: Hexagonal
Finish: Hot Galvanizing
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$0.36 – 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 Black Oxide Grade 8.8 Hex Bolt with Double Lock Nut Set?

The listed minimum order is 1,000 pieces, at US$0.36 – 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 Black Oxide Grade 8.8 Hex Bolt with Double Lock Nut Set?

Type: Hexagon Head; Standard: ANSI, GB; Material: Carbon Steel; Grade: 8.8; Head Style: Hexagonal; Finish: Hot Galvanizing. 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 assortment kits & mixed fastener sets are available?

The Assortment Kits & Mixed Fastener Sets category lists 3,161 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/

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$0.36 – 6.00MOQ 1,000 piecesGet a quote WA