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High-Quality DIN7991 Hex Socket Countersunk Screws for Sale

Updated 2026-11-04 · Markdown version

Model no. DIN 7991

US$0.12200–4,999 pieces

US$0.065,000–9,999 pieces

US$0.01210,000+ pieces

MOQ 200 pieces · Final price confirmed in your quote

Material: Stainless Steel
Head Style: Counter Sunk Bolt
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Grade: 6.8
Finish: Passivation
Non-Standards: OEM Is Available, According to Drawing or Samples
Standards: M Bsw/Bsf Unf/Unc
Package Size: 10.00cm * 10.00cm * 10.00cm

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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	Stainless Steel
Type	Countersunk Head
Model NO.	DIN 7991
Connection	Common Bolt
Head Style	Counter Sunk Bolt
Standard	DIN, ANSI, GB, JIS, BSW, GOST
Grade	6.8
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Passivation
Delivery Time	7-15days
Company Type	Integrated Industry and Trade
Non-Standards	OEM Is Available, According to Drawing or Samples
Standards	M Bsw/Bsf Unf/Unc
Transport Package	Foam Bags / Cartons / Wooden Cases
Specification	M1.6-M24
Origin	China
HS Code	7318159001
Production Capacity	1000ton/Month
Package Size	10.00cm * 10.00cm * 10.00cm
Package Gross Weight	22.000kg
Lead Time	7 days (1 - 100000 Pieces) To be negotiated ( > 100000 Pieces)
Our productrange includes	Screws&Bolts,Nuts,Washers,CNC Turned Parts
We work with various materials such as	304/316 Stainless Steel,Carbon Steel,High-Strength Alloy Steel,Aluminum, Copper, and Titanium
Category	Socket Head Cap & Allen Screws

Technical parameters

Material	304/316 Stainless steel / Carbon steel / Alloy steel / Titanium
Surface treatment	Plain / Black/ Zinc plated / Dacromet Nickel plating
Thread diameter	M1.6-M24 2#-56 - 5/8-11
Thread length	3 mm - 200 mm 5/32 - 4"
Property Class	4.8 / 6.8 / 8.8 / 10.9 / 12.9
MinimumOrder (MOQ)	According to customer demand
Transport packaging	Foam bags / Cartons / Wooden cases
Standard	GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc
Non-standards	OEM is available, according to drawing or samples
Notice	Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us

Description

High-Quality DIN7991 Hex Socket Countersunk Screws for Sale is part of our socket head cap & allen screws range (Screws).

Key details

Type: Countersunk Head
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Material: Stainless Steel
Grade: 6.8
Head Style: Counter Sunk Bolt
Finish: Passivation
Connection: Common Bolt
Application: Machinery, Chemical Industry, Environmental, 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 200 pieces at US$0.012 – 0.12 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-Quality DIN7991 Hex Socket Countersunk Screws for Sale?

The listed minimum order is 200 pieces, at US$0.012 – 0.12 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$0.12 for 200–4,999 pieces; US$0.06 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 High-Quality DIN7991 Hex Socket Countersunk Screws for Sale?

Type: Countersunk Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Stainless Steel; Grade: 6.8; Head Style: Counter Sunk Bolt; Finish: Passivation. 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 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 →

Request a quote for this product

US$0.012 – 0.12MOQ 200 piecesGet a quote WA