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Bolts › Countersunk, Plow & Elevator Bolts

DIN7991 Class 12.9 Black Hexagon Socket Countersunk Head Bolts

Updated 2026-11-03 · Markdown version

Model no. DIN7991

US$0.12 – 1.20 / piece

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

Material: Steel
Head Style: Hexagonal
Standard: DIN
Grade: 8.8, 10.9, 12.9
Finish: Plain
Packing: Cartons+Plastic Bags
Head Type: Hexagon Flange Head
Surface Treatment: Black Oxide

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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	Steel
Type	Hexagon Head
Model NO.	DIN7991
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN
Grade	8.8, 10.9, 12.9
Application	Machinery, Chemical Industry, Environmental, Building, Industry
Finish	Plain
Packing	Cartons+Plastic Bags
Head Type	Hexagon Flange Head
Surface Treatment	Black Oxide
Transport Package	Carton+Pallet
Specification	M6-M100
Origin	Zhejiang, China
Production Capacity	100000 Piece/Pieces Per Month
Category	Countersunk, Plow & Elevator Bolts

Technical parameters

item	value
Finish	Plain
Material	Steel
Place of Origin	China
	Zhejiang
Model Number	DIN7991
Standard	DIN
Material	Steel
Surface treatment	Black Oxide
Application	Industry
Packing	Cartons+plastic Bags
Head type	Hexagon Flange Head

Description

DIN7991 Class 12.9 Black Hexagon Socket Countersunk Head Bolts is part of our countersunk, plow & elevator bolts range (Bolts).

Key details

Type: Hexagon Head
Standard: DIN
Material: Steel
Grade: 8.8, 10.9, 12.9
Head Type: Hexagon Flange Head
Head Style: Hexagonal
Surface Treatment: Black Oxide
Finish: Plain

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$0.12 – 1.20 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 DIN7991 Class 12.9 Black Hexagon Socket Countersunk Head Bolts?

The listed minimum order is 1,000 pieces, at US$0.12 – 1.20 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 DIN7991 Class 12.9 Black Hexagon Socket Countersunk Head Bolts?

Type: Hexagon Head; Standard: DIN; Material: Steel; Grade: 8.8, 10.9, 12.9; Head Type: Hexagon Flange Head; Head Style: Hexagonal. 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 countersunk, plow & elevator bolts are available?

The Countersunk, Plow & Elevator Bolts category lists 533 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-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$0.12 – 1.20MOQ 1,000 piecesGet a quote WA