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DIN7991 Hex Socket Flat Head Cap Screws Stainless Steel

Updated 2026-11-04 · Markdown version

Model no. M3-24

US$0.036 – 1.20 / piece

MOQ 10,000 pieces · Final price confirmed in your quote

Material: Stainless Steel
Head Style: Round
Standard: DIN, GB
Grade: 4.8
Size: M3-24
Length: 8-100
Diameter: From M3-M24
Packing: In carton

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	Round Head
Model NO.	M3-24
Connection	Common Bolt
Head Style	Round
Standard	DIN, GB
Grade	4.8
Size	M3-24
Length	8-100
Transport Package	25kg/Carton, 36 Carton/Pallet.
Specification	DIN7991, GB, JISB, ISO, ANSI/ASME B, W. S. W
Origin	China
HS Code	7318160000
Production Capacity	8000 Tons Per Year
Diameter	From M3-M24
Packing	In carton
ABOUT US	Wellbolt is an excellent fasteners & metal production manufacturer and exporter in China,from the beginning of the production of bolts and screws, established its full range fastener distribution line 3 years later.
All our processes strictly adhere to ISO9001	2008 procedures. We have strict quality control from producing to
Standard parts	7-15days
Non-standard parts	15-25days
Category	Socket Head Cap & Allen Screws

Technical parameters

Diameter:	From M3-M24
Length	From 8mm-100mm
Material	Carbon steel, alloy steel, Stainless steel A2/A4.
Coating	ZP, Black, HDG, Dacromet, Geomet, etc.
Packing:	In carton
MOQ	about 300 Kgs
Production capacity	About 600 Tons per Month

Description

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

Key details

Type: Round Head
Standard: DIN, GB
Material: Stainless Steel
Grade: 4.8
Size: M3-24
Diameter: From M3-M24
Length: 8-100
Head Style: Round

Available configurations include material, head style, standard, grade and size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.036 – 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 Hex Socket Flat Head Cap Screws Stainless Steel?

The listed minimum order is 10,000 pieces, at US$0.036 – 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 Hex Socket Flat Head Cap Screws Stainless Steel?

Type: Round Head; Standard: DIN, GB; Material: Stainless Steel; Grade: 4.8; Size: M3-24; Diameter: From M3-M24. 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 size. 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$0.036 – 1.20MOQ 10,000 piecesGet a quote WA