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Premium Hex Socket Screws for Electronics – Rust-Resistant Quality
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Screws › Socket Head Cap & Allen Screws

Premium Hex Socket Screws for Electronics – Rust-Resistant Quality

Updated 2026-11-04 · Markdown version

Model no. DIN7991

US$0.012 / piece

MOQ 100 pieces · Final price confirmed in your quote

Material
Stainless Steel
Head Style
Round
Standard
DIN, GB, ANSI, BSW, JIS, GOST
Grade
A2,A4
Surface Treatment
Black/Gray Phophasted, Zinc
Package Size
26.00cm * 25.00cm * 15.00cm

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

CustomizationAvailable
MaterialStainless Steel
TypeHexagon Head
Model NO.DIN7991
GrooveHexagon
ConnectionCommon Bolt
Head StyleRound
StandardDIN, GB, ANSI, BSW, JIS, GOST
GradeA2,A4
Surface TreatmentBlack/Gray Phophasted, Zinc
Transport PackageBox+Carton+Pallet(It Depends
SpecificationDIN7991
OriginChina
HS Code7318120090
Production Capacity10000K/Month
Package Size26.00cm * 25.00cm * 15.00cm
Package Gross Weight26.000kg
CategorySocket Head Cap & Allen Screws

Technical parameters

Model NO.DIN7991Groovehexagon socket
ConnectionCommon BoltHead StyleRound
StandardDIN, GB, ANSI, BSW, JIS, GOSTGradeA2,A4
Surface TreatmentBlack/Gray Phophasted, ZincProduction Capacity10000K/Month
Transport Packagein Bulk or in Small Box, Small Box+CartonOriginChina

Description

Premium Hex Socket Screws for Electronics – Rust-Resistant Quality is part of our socket head cap & allen screws range (Screws).

Key details

  • Type: Hexagon Head
  • Standard: DIN, GB, ANSI, BSW, JIS, GOST
  • Material: Stainless Steel
  • Grade: A2,A4
  • Head Style: Round
  • Groove: Hexagon
  • Surface Treatment: Black/Gray Phophasted, Zinc
  • Connection: Common Bolt

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.012 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 Premium Hex Socket Screws for Electronics – Rust-Resistant Quality?

The listed minimum order is 100 pieces, at US$0.012 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 Premium Hex Socket Screws for Electronics – Rust-Resistant Quality?

Type: Hexagon Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Stainless Steel; Grade: A2,A4; Head Style: Round; Groove: Hexagon. 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 surface treatment. 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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Your inquiry goes to the Engineering Hardware & Fasteners team only. We confirm every detail and handle production, QC and shipping for you.

US$0.012MOQ 100 piecesGet a quote