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DIN7991 Hex Socket M6 Flat Head Cap Head Screw

Updated 2026-11-04 · Markdown version

Model no. DIN 7991

US$0.061,000–4,999 pieces

US$0.0365,000–9,999 pieces

US$0.01210,000+ pieces

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

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN, GB
Grade: 10.9
Screw Drive Type: Hex Socket
Head Shape: Flat Head
Material Grade: Levels 8.8, 10.9, and 12.9
Surface Treatment/Coating: Zinc Plating (Blue-White Zinc, Color Zinc), Nickel

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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	Round Head
Model NO.	DIN 7991
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, GB
Grade	10.9
Application	Machinery, Chemical Industry, Environmental, Building
Screw Drive Type	Hex Socket
Head Shape	Flat Head
Material Grade	Levels 8.8, 10.9, and 12.9
Surface Treatment/Coating	Zinc Plating (Blue-White Zinc, Color Zinc), Nickel
Packaging	Bulk, Boxed, Rolled, or Packaged as Required
Country of Origin	China
Selling Units	Single Item
Single Package Size	25X25X15 Cm
Single Gross Weight	25.000 Kg
Model Number	Countersunk Screw
Size	M2-M20, 3/16"-1/2", or Customized
Surface Treatment	Black, Galvanized, Yellow Zinc Plated
Item	Hex Socket Flat Head Screw
Color	Black
Transport Package	Cardboard Box+Pallet
Specification	custom made
Origin	He Bei
Package Size	13.00cm * 8.00cm * 9.00cm
Package Gross Weight	10.000kg
All our processes strictly adhere to ISO9001	2008 procedures. We have strict quality control from producing to delivery.Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.
Standard parts	7-15days
Non-standard parts	15-25days
Category	Socket Head Cap & Allen Screws

Technical parameters

Finish	Black Oxide
Model Number	DIN7991
Head style	Flat
Place of Origin	Hebei China

Description

DIN7991 Hex Socket M6 Flat Head Cap Head Screw is part of our socket head cap & allen screws range (Screws).

Key details

Type: Round Head
Standard: DIN, GB
Material: Carbon Steel
Grade: 10.9
Size: M2-M20, 3/16"-1/2", or Customized
Head Style: Hexagonal
Surface Treatment: Black, Galvanized, Yellow Zinc Plated
Connection: Common Bolt

Available configurations include material, head style, standard, grade and screw drive type. 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$0.012 – 0.06 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 Hex Socket M6 Flat Head Cap Head Screw?

The listed minimum order is 1,000 pieces, at US$0.012 – 0.06 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.06 for 1,000–4,999 pieces; US$0.036 for 5,000–9,999 pieces; US$0.012 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of DIN7991 Hex Socket M6 Flat Head Cap Head Screw?

Type: Round Head; Standard: DIN, GB; Material: Carbon Steel; Grade: 10.9; Size: M2-M20, 3/16"-1/2", or Customized; 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 screw drive type. 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 socket head cap & allen screws are available?

The Socket Head Cap & Allen Screws category lists 2,042 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/

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$0.012 – 0.06MOQ 1,000 piecesGet a quote WA